Answers
Photosynthesis is the process by which organisms that contain chrophyll convert light energy into chemical energy, the organelle that captures the sunlight is the chloroplast that store this energy in the thylakoids during the early stages of photosynthesis.
Related Questions
which of the following would be the most likely method used by ecologists to determine density of clonal individuals?
Answers
Ecologists use a variety of methods to determine the density of clonal individuals, and the most appropriate method depends on the species and the study objectives.
One commonly used method is spatial mapping, which involves plotting the location of clonal individuals in a defined area and calculating the number of individuals per unit area. This method is particularly useful for species with a well-defined spatial distribution and a clearly defined clonal growth form.Another method that Ecologists is used direct counting, which involves counting the number of clonal individuals in a defined area. This method is particularly useful for species with a well-defined growth form and is relatively straightforward to implement. Direct counting can be performed manually or with the use of remote sensing technologies such as aerial photography or lidar.
Estimation of biomass can also be used to determine clonal density, as clonal individuals often exhibit a similar biomass to one another within a population. Biomass can be estimated using destructive sampling or non-destructive methods such as allometry. This method is particularly useful for species that are difficult to map spatially or for species that are difficult to distinguish individually.
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Most hormones are produced by which human
organ system?
(1) digestive
(2) endocrine
(3) respiratory
(4) nervous
Answers
Answer: 2, Endocrine.
Explanation:
What two types of precipitation are called minor precipitation?
Answers
Answer:
Dew and frost are considered minor precipitation.
I think ;)
Can you guys help me out with some honors bio questions I have? thanks in advance!!
1. In your own words, describe what happens in DNA transcription and where in the cell it takes place.
2. Which of the following is the complementary mRNA to this DNA strand: TTA GCA
A) AAT CGT
B) AAU CGU
C) UUT CGT
3. Which of the following best describes the process of Translation?
A) DNA serves as a template to create an mRNA strand in the nucleus
B) mRNA serves as a template to create a polypeptide chain of amino acids in the ribosome
C) mRNA serves as a template to create a polypeptide chain of amino acids in the nucleus
D) DNA serves as a template to create an mRNA strand in the ribosome
Answers
Answer:
1) In the nucleus it uses a DNA template in order to create RNA molecules
2) B
3) A
Which statement best explains why fossil fuels are unevenly distributed throughout Earth?
A It took a specific environment and the correct organisms for them to form.
B Earthquakes have shaken them into new locations.
C When Pangea split up the fossil fuels only went to certain locations.
D The fossil fuels were scattered, millions of years ago, when an asteroid hit Earth.
Answers
The fossil fuels were scattered, millions of years ago, when an asteroid hit Earth.
Thus, The components of fossil fuels are decaying plants and animals. These fuels may be burned to provide energy and can be found in the crust of the Earth.
An example of a fossil fuel is coal, as well as oil and natural gas. Coal is a substance that is typically found in sedimentary rock formations, which are collections of rock, dead plant and animal materials, and layers of silt.
A chunk of coal must contain more than 50% fossilized plant material. Shale is one sedimentary rock type that contains oil in its native form.
Thus, The fossil fuels were scattered, millions of years ago, when an asteroid hit Earth.
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explain two situations on a pedigree that would allow you to determine the genotype of an individual with the dominant phenotype
Answers
1) If the individual with the dominant phenotype has a parent with the recessive phenotype, the genotype of the individual is heterozygous (Aa).
2) If the individual with the dominant phenotype has offspring with the recessive phenotype, the individual must be heterozygous (Aa).
The two situations on a pedigree that would allow you to determine the genotype of an individual with the dominant phenotype.
Situation 1: Identify the individual with the dominant phenotype (let's call them Individual A).Look for the parents of Individual A.
If one of the parents has the recessive phenotype (aa) and the other parent has the dominant phenotype (AA or Aa), then Individual A must be heterozygous (Aa). This is because the dominant phenotype is only expressed when at least one dominant allele is present.Situation 2: Identify the individual with the dominant phenotype (Individual B).
Observe the offspring of Individual B.
If Individual B has offspring with the recessive phenotype (aa), it means that Individual B must be heterozygous (Aa). This is because to have offspring with the recessive phenotype, both parents must contribute a recessive allele.
By analyzing the presence of the recessive phenotype in the parents or offspring of an individual with the dominant phenotype, we can determine their genotype as heterozygous (Aa).
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A crane has a sharp and pointed beak while the duck has a flat beak.Explain why
Answers
Answer:
The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.
On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.
The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.
Describe the role of GA in a-amylase production and in germination. Provide evidence for your claim
Answers
Gibberellic acid (GA) plays a crucial role in a-amylase production and germination. GA stimulates the synthesis and release of a-amylase enzymes, which hydrolyze starch into sugars during germination. Experimental studies have demonstrated that the application of GA accelerates a-amylase production and enhances germination in various plant species
In terms of a-amylase production, GA stimulates the synthesis and release of this enzyme. a-amylase is responsible for breaking down starch into simpler sugars, which are then utilized by the plant for growth and development.
Studies have shown that applying GA to plant tissues or seeds results in an increased production of a-amylase, facilitating the conversion of stored starch into energy-rich sugars.
Regarding germination, GA is involved in breaking seed dormancy and promoting the growth of the embryonic plant.
It stimulates the production of hydrolytic enzymes like a-amylase, which enable the hydrolysis of starch reserves in the endosperm, providing the energy needed for germination and seedling establishment.
Additionally, GA helps in cell elongation and division, promoting the growth of the embryo and the emergence of the radicle.
Evidence for GA's role in both processes includes studies where the exogenous application of GA to seeds or plant tissues has been shown to enhance a-amylase production and promote germination.
Conversely, inhibiting GA synthesis or action results in reduced a-amylase activity and impaired germination. These findings support the critical involvement of GA in both a-amylase production and germination processes in plants.
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If a new anti-cancer drug is found to be effective in initial tests with mice, what might researchers conclude?
Answers
Answer:
If you have any more information about this question that would help to answer appropriatly. If the question is asking about tests done in mice and then in humans I would propose that the initals trial work and now they can begin more tirals that involve dosing to find the levels of toxicity.
Explanation:
I hope this helps.
14. What does it mean if a rock fractures?
Answers
Answer: When rocks break in response to stress
Explanation: the resulting break is called a fracture. If rocks on one side of the break shift relative to rocks on the other side, then the fracture is a fault.
Answer:
Fractures are mechanical breaks in rocks; they originate from strains that arise from stress concentrations around flaws, heterogeneities, and physical discontinuities. They form in response to lithostatic, tectonic, and thermal stresses and high fluid pressures.
In order to survive, animals need to adapt to their environment over many generations. Think about your favorite animal, its physical features, and its environmental challenges. Without doing any outside research, in 3-5 sentences, try to: a) describe what features have likely had to adapt to its environment over time, and b) hypothesize what ways it might have to adapt to environmental changes in the future.
Answers
Cheetahs are one of my favorite creatures.
CheetahsCheetahs' physical characteristics, such as their speed, agility, and razor-sharp claws, have probably evolved over time to help them survive in their habitat.
Cheetahs are swift hunters that can pursue prey in wide-open savannahs. Their keen claws enable them to grip the ground while racing quickly.
Cheetahs may need to adjust to new environmental conditions in the future, including greater competition for food and water and habitat loss brought on by human activities.
They could need to change their hunting techniques, pick other prey, or even broaden their range to encompass new ecosystems.
Additionally, they might need to strengthen their defenses against illnesses and other environmental stresses in order to survive in a changing world.
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To determine whether regulation of gene expression by short RNAs was a naturally occurring phenomenon, researchers isolated RNA from a cell and fractionated them by size to obtain only short RNAs. The next step was to clone these molecules.
Today the cloning step would not be required. Which of the techniques below is the best reason why?
A. Because a microarray could tell if the fragments were encoded by the genome.
B. Because a PCR reaction could tell if the fragments were encoded by the genome.
C. Because an RNA-seq reaction could tell if the fragments were encoded by the genome.
D. Because a yeast 2 hybrid could tell if the fragments were encoded by the genome.
E. Because a GFP fusion could tell if the fragments were encoded by the genome.
Answers
Answer:
C. Because an RNA-seq reaction could tell if the fragments were encoded by the genome.
Explanation:
The combination of single-cell RNA sequencing (RNA-Seq) and bioinformatic tools to assemble and annotate sequence reads is currently the most common methodology used to obtain complete transcriptomes from individual cells. RNA-seq is a Next-Generation Sequencing (NGS) technology that enables the analysis of the entire transcriptome, thereby this method can be used to examine gene, allelic and ncRNA expression. In the last years, RNA-seq has become the gold standard technique for direct analysis of ncRNA expression profiles in biological samples and clinical research.
when researching your topic which sources of information should you avoid?
Answers
Answer:
No alrighfull information like Wikipedia, or .com or .net because they earn money from it so not fully
Explanation:
A breeder crossed two chickens, one is a true-breeding black chicken and the other is a true-breeding yellow chicken. All the resulting F1 chicks are black. Several of these F1 black chicks are crossed with the following results: 43 black, 14 brown, and 19 yellow chicks. What kind of inheritance is this? Friend #1 tells you that the answer is incomplete dominance but Friend #2 tells you that the answer is epistasis. You analyze the problem and realize that neither is right. The problem is a trick problem and there is no answer to it.
Answers
Answer:
You analyze the problem and realize that neither is right
Explanation:
All intersections and proportions are attached.
First, let's analyze the crossover that formed the F1 generation. At this crossing, chickens of genuine color were used, which indicates that one of them was h0m0zygous recessive (aa) and h0m0zygous dominant (AA). Thus, the entire offspring would be heterozygous (Aa) and would have the color determined by the dominant gene. In this case, all the offspring are black in color, which indicates that in the parents, the black hen is h0m0zygous dominant (AA), while the white hen is h0m0zygous recessive (aa).
In the cross that generated F2, we can see that within the offspring, the individuals in greater proportion are those who present heterozygosity and therefore have the "Aa" alleles. When incomplete dominance occurs, individuals in F2 who have heterozygosity have an intermediate phenotype between the two h0m0zygous phenotypes. As we can see in the question, in F2, heterozygous union members do not have an intermediate phenotype, but the black placement phenotype, which indicates that this is not a case of incomplete dominance.
This is also not a case of epistasis. This is because epistasis causes a gene to eliminate the expression of another gene, whether on the same chromosome or not. The result of this type of inheritance would be that some chickens had colored coloring, while others had no color at all in F2. As we can see, all chickens have colored coloring.
This indicates that neither student is correct.
What step in the scientific method is next after conducting an experiment
Answers
Answer:
Recording the Data
Explanation:
which one of the following is the transport of the nutrients around the body to where they"re needed?
Answers
Answer:
Well..we kinda need a picture though.
but the one that transports nutrients around the body is
The circulatory system
Explanation:
Which is one factor that contributes to the formation of polar, temperate, and tropical zones?
the angle of the Sun's rays
the direction of seasonal winds
the presence of prevailing winds
the movement of wind near a mountain
Answers
The one factor that contributes to the formation of polar, temperate, and tropical zones is the angle of the Sun's rays. Thus, option "A" is correct.
What is the climatic condition of tropical zones?The climate on Earth can be divided into three major zones, tropical, temperate, and polar.
The tropical ones are at the Equator and near to it, the temperate ones are at the mid-latitudes, and the polar ones are at the higher latitudes.
This is a result of numerous factors, such as the shape of our planet, as the sunlight falls at different angles at different parts of it, so some parts get much more heat, while some much less.
Thus, option "A" is correct.
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One factor that contributes to the formation of polar, temperate, and tropical zones is the angle of the Sun's rays. The angle of the Sun's rays determines the amount of solar energy that reaches a particular region.
What is the cause of formation of polar?This is due to the Sun's rays, which are more oblique in the northern regions and more direct in the tropics. The length of the day in a specific location is also influenced by the Sun's rays' angle. The duration of the day is longer in the tropics than in the polar regions, and this directly affects the local temperature.
The Sun's rays are directed more directly and at higher angles, which results in higher temperatures. Predominant winds also aid in the development of the arctic, temperate, and tropical zones. Predominant winds move warm air from the equator to the poles and vice versa, which has an impact on a region's temperature.
The temperature of an area is also influenced by the direction of the predominant winds. For instance, temperatures in the area will be lower if the predominant winds are from the east than if they are from the west. Predominant winds have an impact on the amount of moisture in the air, which can change a region's climate.
Polar, temperate, and tropical zones can also occur as a result of wind movement close to mountains. This is so that the mountain and the surroundings won't be separated by the wind.
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B. Liverworts (Hepatophyta)
1. Observe the living green "leafy" gametophyte stage at Station A. These organisms have leaf-
like, stem-like, and root-like structures. Draw and label structures of the liverworts. Be sure
to include labels of the following items: gametophyte, n, sporophyte, 2n, rhizoides, leaf-like
structures, and thallus.
2. Use the dissecting scope and look at the sporophyte, gametophore, rhizoides, and thallus.
What do you notice? Write down some observations of each.
3. Compare the moss to the liverworts. How are they similar and how are they different?
Answers
Answer:
Explanation:
Title: Observation of Liverworts (Hepatophyta)
Objective: To observe the living green "leafy" gametophyte stage of liverworts and compare them with moss.
Hypothesis: Liverworts and moss may share some similarities in structure, but there may be significant differences between them.
Observations:
Liverworts Structures:
Gametophyte: The main plant body of the liverwort, which is haploid (n) and produces gametes.
Sporophyte: A structure that grows from the gametophyte and produces spores. It is diploid (2n).
Rhizoides: Root-like structures that anchor the gametophyte to the substrate and absorb water and nutrients.
Leaf-like structures: Flattened structures that resemble leaves but do not have true veins or stomata.
Thallus: The entire plant body of the gametophyte, which lacks true stems or roots.
Observations of different structures in liverworts:
Sporophyte: Small and inconspicuous, growing from the gametophyte.
Gametophore: The stem-like structure that supports the gametophyte and sporophyte.
Rhizoides: Thread-like structures that attach the gametophyte to the substrate and absorb water and nutrients.
Thallus: The plant body of the gametophyte that lacks true stems or roots.
Comparison between liverworts and moss:
Similarities:
Both are non-vascular plants.
Both have a haploid (n) gametophyte and a diploid (2n) sporophyte stage.
Both reproduce by spores and require water for fertilization.
Differences:
Liverworts have leaf-like structures and a thallus, while mosses have true leaves and stems.
Liverwort sporophytes are small and inconspicuous, while moss sporophytes are tall and conspicuous.
Liverworts have rhizoides, while mosses have true roots.
pls help....................
Answers
The muscular system has a significant effect on other organ systems. Here are the effects of the muscular system on each organ system:
a) Skin system: The muscular system has a direct effect on the skin system as movement can affect blood flow and sweating, which can impact the regulation of body temperature.
b) Skeletal system: The muscular system works in tandem with the skeletal system, as muscles contract and relax to cause movement. The muscles also provide support and stability to the skeleton.
c) Nervous system: The muscular system and the nervous system are closely related, as nerve impulses from the nervous system control muscle contraction and relaxation.
d) Endocrine system: The endocrine system produces hormones that regulate muscle growth, metabolism, and repair.
What are the system about?The others are:
e) Circulatory system: The muscular system affects the circulatory system as exercise and physical activity increase blood flow, which helps to improve cardiovascular health.
f) Immune & Lymphatic System: Physical activity and exercise can help improve the functioning of the immune and lymphatic systems.
g) Respiratory System: The muscular system affects the respiratory system as movement and physical activity can increase the demand for oxygen and affect lung function.
h) Urinary System: Physical activity can affect urinary function, as movement can affect the pressure in the bladder and urinary tract.
i) Digestive system: Physical activity can affect digestive function, as exercise and movement can stimulate the digestive system and help to prevent constipation.
j) Reproductive system: Physical activity can affect reproductive function, as exercise can affect hormonal balance and affect fertility.
Therefore, the muscular system has a significant impact on many different organ systems, affecting various functions such as blood flow, hormone regulation, and digestion.
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See transcribed text below
6. Discuss the effects of the (muscular system on other organ systems. a) Skin system:
(10 M)
b) Skeletal system:
c) Nervous system:
d) Endocrine system:
e) Circulatory system:
f) Immune & Lymphatic System:
g) Respiratory System:
h) Urinary System:
i) Digestive system:
j) Reproductive system:
which of the following is the first step perfomed after the blood colection bag is filled during a plasma collection?
Answers
Asking the patient to speak and spell his or her name and providing you with his or her birth date is the first step in collecting data from the patient.
Which blood sample should be drawn first in the order of blood collection?According to CLSI Procedures & Devices for such Collection for Capillary Blood Specimens; Certified Standard - Sixth Version, September 2008, the order for draw is based on that document.To produce a high-quality specimen, this standard suggests drawing EDTA tubes first, then other additive tubes, and finally serum specimen tubes.
What is the proper sequence for collecting blood tubes?The following is the proper draw order: a container or tube for blood cultures. Tube for sodium citrate (eg, blue closure) serum tubes, including ones that contain gels and clot activators
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What conclusion can you make about the skeletal structure of these two organisms? A. They share a common ancestor, but they’re different species. B. They’re the same species. C. They’re different species with no evolutionary relationship. D. The four-legged organism directly evolved from the two-legged organism.
Answers
Answer:
a
Explanation:
a
It's is A. They share a common ancestor, but they're a different species.
If a purchaser enters a futures contract with an agreement to buy a crop for $200 per ton next month, which of the following demonstrates the result of the price rising to $225 at that time?
Responses
The purchaser would still pay only the $200 for the commodity
The purchaser would have the option of cancelling the deal or paying the extra $25 per ton.
The purchaser would be let out of the deal and a new deal would be created.
The purchaser would be required to pay the extra $25 per ton.
Answers
Answer:
A futures contract is a legal agreement to buy or sell a particular commodity asset, or security at a predetermined price at a specified time in the future.
With this the answer would be the first option “The purchaser would still pay only the $200 for the commodity” sense it was a predetermined price.
Explanation:
Researchers know that the reaction rate of any enzyme is affected by temperature and pH level. Some of these effects are shown in the graphs above. Based on these graphs, what is the optimal temperature and pH for this enzyme?
Answers
A chemical reaction occurs in a specific set of conditions. These reaction conditions include Temperature, pressure, pH, catalyst and solvent. From the graph given in the question it can be predicted that the optimum temperature is around 30°C and optimum pH is around 8.
What is a Chemical Reaction?
A chemical reaction is a process in which reactants react chemically to form products. A chemical reaction only proceeds under optimal reaction conditions. Optimal reaction conditions include temperature, pH, pressure, particular catalyst and solvent when the rate of reaction is highest.
A change in the optimum condition of any of the reaction condition will decrease the rate of reaction. Rate of a chemical reaction is the rate at which it forms the product. In the given question, when the temperature and pH are less than or more than the optimum conditions the rate of reaction was slower than the rate at optimum condition.
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Q8. The tips of neuronal axons communicate with other nerve cells by releasing small molecules called neurotransmitters. These neurotransmitters need to
cross a very tiny pocket of fluid to reach the next neuron; the distance is about 0.001 times the length of the smallest axon in this lab. Could this happen
through diffusion?.
Answers
This could happen through diffusion because, as there is a high concentration of neurotransmitters close to the diffusing axon and a low concentration nearer to the receiving neuron.
How does neurotransmitters travel through axons?The synapse that connects the following neuron's axon and dendrite allows neurotransmitters to pass through. Neurotransmitters adhere to the dendrite's membrane. The binding permits passage of the nerve impulse through the receiving neuron.
When neurotransmitters are being released from the presynaptic cell, their concentration is at their peak. The neurotransmitter can easily diffuse across this small distance to the postsynaptic neuron because the synaptic gap between the presynaptic neuron and postsynaptic neuron is so small.
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Saprolegnia, a parasitic water mold, parasitizes dying or dead
-blank1 - and has a cell wall composed of -blank2 -, unlike the true fungi, which have cell walls composed of -blank3 -
Answers
Answer:
Saprolegnia parasitizes dying or dead fish, and has a cell wall composed of chitin, unlike the true fungi, which have cell walls composed of cellulose.
Along with the nervous system, the ___ system coordinates the various activities of body parts.
Answers
Along with the nervous system, the endocrine system coordinates the various activities of body parts.
The endocrine system is a network of glands that produce and release hormones that help regulate many important body functions. These hormones travel through the bloodstream and affect different tissues and organs in the body.
The endocrine system plays a vital role in regulating many important body functions, including:
• Metabolism - the process by which the body converts food into energy
• growth and development
• reproduction
• mood and behavior
Endocrine disorders can occur when the body produces too much or too little of a hormone. For example, diabetes mellitus is a condition that occurs when the body does not produce enough insulin, a hormone that helps regulate blood sugar levels.
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O Excretory System 4. The allows us to breathe, digest food, and react to stimuli by regulating the functions of our organs. (10 Points) 0 Immune System O Nervous System O Excretory System O Integumentary System 5. (10 Points)
Answers
Answer:
The Nervous System.
Explanation:
The nervous system's job is to help in receiving information about the environment around us and generate responses to that information (a.k.a homeostasis). The nervous system can be divided into regions that are responsible for sensation (sensory functions) and for the response (motor functions).
Hope this helps!
For children from two to five, chikcare spaces are best organized into centers for play.
True or false ?
Answers
Answer:
True
Explanation:
The basic unit of structure and function of living things is the A nucleus B cell C tissue or D membrane PLZ QUICK worth 20 points
Answers
Answer:
B. cell
Explanation:
A cell is the smallest unit of a living thing. A living thing, whether made of one cell (like bacteria) or many cells (like a human), is called an organism. Thus, cells are the basic building blocks of all organisms
Answer:
cell
Explanation:
4. What are the parent genotypes for pea seed color shown in this Punnett
Square?
Answers
Answer:
heterozygous and homozygous recessive