At the least she will make $299.20. At the most she will make $326.4.
Which mutation below would result in the greatest amount of change in the proteins that code for a particular trait?
(Please help I will reward)
A. inserting three nucleotides
B. deleting three nucleotides
C. deleting one codon
D. deleting two nucleotides
Answer:
Mutations are errors in codons caused by changes in nucleotide bases. Some mutations may not have much effect. For example, if the codon GAA becomes the codon GAG, because the genetic code is degenerate, the codon will still code for the amino acid glutamate. Such ineffectual mutations are called silent mutations. Some mutations, however, can have a huge affect on coding for amino acids, which can in turn affect what proteins are produced, which can have a profound effect on cellular and organismal function.
Explain why it is important to have an emergency preparedness plan.
True or false brainlyyy
Answer:
THE BRAINLY THE BRAINLY IS REAL
Explanation:
so yes / true
SOMEOME PLEASE HELP ME THIS IS DUE TONIGHT!!! Bone is a dynamic tissue constantly undergoing change. As shown in the diagram below, two sets of bone cells work in opposition to one another to maintain bone homeostasis. Osteoblasts build bone, while osteoclasts break down bone. Blood calcium levels change in response to these cell activities.
1. Calcitonin is a hormone produced by the thyroid gland. Calcitonin is released whenever blood calcium levels go up. Calcitonin travels through the blood to bone, where it activates one of the two types of bone cells and inhibits the other type. Predict the type of cells that will be activated by calcitonin. Predict the type of cells that will be inhibited by calcitonin. Justify your responses.
2. Refine the diagram to show the regulatory mechanism that triggers the changes in bone-cell activity described in part a of the question. (4 points)
Answer: Calcitonin is released whenever blood calcium levels go up. It activates osteoblasts and inhibits osteoclasts. This response is due to the role of calcitonin in reducing blood calcium levels by promoting the deposition of calcium into the bone matrix. Osteoblasts are responsible for bone formation, and their activation by calcitonin allows them to actively incorporate calcium into the bone, thereby reducing the calcium levels in the blood. On the other hand, calcitonin inhibits osteoclasts, which are responsible for bone resorption. By suppressing osteoclast activity, calcitonin helps prevent the breakdown of bone tissue and further release of calcium into the blood. In summary, calcitonin activates osteoblasts to build bone and inhibits osteoclasts to prevent bone breakdown, ultimately reducing blood calcium levels.
Refining the diagram to show the regulatory mechanism:
Regulatory Mechanism
________________________
| |
| |
v |
Osteoblasts Osteoclasts
| |
| |
____________________________ ____________________________
| | | |
| | | |
| Calcitonin | | Calcitonin |
| (+) activates | | (-) inhibits |
| osteoblasts | | osteoclasts |
| | | |
| | | |
| | | |
| Bone Formation | | Bone Resorption |
| | | |
|____________________________| |____________________________|
In the refined diagram, the regulatory mechanism is shown between the two types of bone cells, osteoblasts and osteoclasts. The diagram illustrates that calcitonin activates osteoblasts (+) and inhibits osteoclasts (-). The arrows indicate the effect of calcitonin on the respective cell types, promoting bone formation by osteoblasts and suppressing bone resorption by osteoclasts. This regulatory mechanism helps maintain bone homeostasis by responding to changes in blood calcium levels.
Explanation:
brainly literally has it out for me I swear
in 3 sentences minimum, explain how villi might increase the cell's efficiency.
Answer: They've got a large surface area so they can absorb fatty acids and glycerol into the bloodstream.
Explanation: I hope this helps you. They've-cells
By which process is energy from the sun converted to energy that is usable by cells? A photosynthesis B respiration C translation D digestion
Answer:
A. Photosynthesis... Plant cells uses the suns energy to start a chemical reaction to make food. it turns glucose into food.
Explanation:
Identify the structures of skeletal muscle
1 a What structures are usually present in both animal an plant cells? b What structures are present in plant cells but not in animal cells?
Answer:
Present in both, plant and animal cells:
Cell membraneMitochondria Cytoplasm etc.Present in plant cells and not animal cells:
Cell wallChloroplasts Large central vacuole (animal cells may contain a few small vacuoles, but not a large-central one)the organisms that feed on dead and decaying matter are called
A. Saprotrophs
B. Autotrophs
C. Heterotrophs
D. Parasite
The organisms that feed on dead and decaying matter are called Saprotrophs.
An organism that feeds on dead and decaying organic matter is called a saprotroph. These organisms are heterotrophic, which means that they obtain their food from other sources. They are important in the ecosystem because they break down dead organic matter and recycle it back into the soil, making nutrients available to other living organisms
Answer:
A. Saprotrophs
Explanation:
Saprotrophs are organisms that obtain their nutrients by feeding on dead and decaying matter. They play a crucial role in the ecosystem by decomposing organic material and recycling nutrients back into the environment.
These organisms secrete enzymes that break down complex organic compounds into simpler substances, such as sugars and amino acids, which they can absorb and utilize for their own growth and energy needs. Examples of saprotrophs include fungi (such as mushrooms and molds) and certain bacteria.
Unlike autotrophs, which can produce their own food through photosynthesis or chemosynthesis, saprotrophs rely on external sources of organic matter for their nutrition. They actively decompose dead plants, animals, and other organic materials, aiding in the process of nutrient recycling and decomposition.
Heterotrophs, on the other hand, are a broader category of organisms that obtain their nutrients by consuming other living or dead organisms. This includes saprotrophs, as well as other types of organisms such as herbivores, carnivores, and omnivores.
Parasites, meanwhile, are organisms that live in or on other organisms, known as hosts, and obtain their nutrients from the host while causing harm or damage to it. Unlike saprotrophs, parasites typically rely on a living host for their sustenance rather than feeding on dead and decaying matter.
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A graph of KE vs the mass of an object is ___
Answer:
A non linear relationship
Explanation:
hope this helps.
A graph of KE vs the mass of an object is a non-linear relationship.
What are graphs?Graphs are the mathematical representations of numbers and data on graph paper. They are an easy way to see the changes in the data over time.
In nonlinear relationships, changes in any of the inputs are not proportionate to changes in the output. A nonlinear relationship produces a curve when it is plotted on a graph, whereas a linear relationship results in a straight line.
On a graph, kinetic energy has a linear relationship with respect to the mass of the moving object and a non-linear relationship with respect to how fast the object is moving.
Thus, the graph of KE will be a non-linear relationship.
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Which element can form multiple strong bonds with other atoms and makes
up the backbone of most biomolecules?
A. Carbon
B. Oxygen
C. Nitrogen
D. Hydrogen
Answer:
A. Carbon
Explanation:
Because all macromolecules consist of carbon. For example CHO for carbon, hydrogen, and oxygen. CHONP for the macromolecule Nucleic Acids which is also considered DNA consists of carbon. hydrogen. oxygen, nitrogen, and prosperous.
I hope this helped!!
What is a marine ecosystem?
Answer:Marine ecosystems are the largest of Earth's aquatic ecosystems and are distinguished by waters that have a high salt content. These systems contrast with freshwater ecosystems, which have a lower salt content.
Explanation:
s
Answer:e a marine ecosystem is the life underwater like sea creaters ,a weed etc s
Explanation:
online defnation : Marine ecosystems are characterized by the biological community of organisms that they are associated with and their physical environment.
heres a fact Some important characteristics of the marine ecosystem are: They make up 70% of the earth’s surface. They dissolve the salts in their own waters. Supplies food for humans and generates socioeconomic benefits. They fall into the category of aquatic ecosystems
How do skeletal muscles work? please hurry and im giving brainliest to answer with the most explanation :3
Answer:
Skeletal muscles provide movement to your body and are connected to your bones. They are voluntary, meaning you can control them.
Why are the senses necessary for behavior?
Senses cause the
behavior.
Some people behave
without using sense.
Stimuli must be
sensed in order to
respond.
Senses are not
necessary for
behavior.
....PLEASEEE HELP ME
Answer:
Stimuli must be sensed in order to respond.
Explanation:
Classical conditioning can be defined as a learning process which typically involves repeatedly pairing two stimuli: conditioned stimulus and unconditioned stimulus.
Simply stated, it is a learning procedure that helps us to understand when a neutral stimulus is paired with a conditioned response.
An example is the process of salivating in response to the aroma of a meal being prepared in the kitchen.
Also, operant conditioning can be defined as an associative learning process which involves reinforcing the strength of a behavior.
Stimulus in biology can be defined as an obvious change in either the chemical or physical structure of an organism' environment (either external or internal). Thus, all living organisms (both animals and plants) respond to changes in their environment and consequently, an appropriate response or reaction is made. Also, stimulus arising from within the organism is known as internal stimulus while those from its environment are known as the external stimulus.
In organisms, the specialized cells that detect stimulus are generally known as sensory receptors while a group of these receptors is referred to as sense organ.
Hence, the senses are necessary for behavior because stimuli must be sensed in order to respond.
need answers to 9 and 10
please help!!
Three disadvantages of cloning.
Cloned animals might not live as long as animals that are not clones.Cloning is a complex and expensive process.Cloning can result in a reduction in genetic diversity, which can make a population more susceptible to diseases and environmental changes.What is the process of cloning?The process of cloning is described as follows:
A nucleus and an egg cell come from a body cell of animal A with its nucleus removed comes from animal B.
An enucleated egg cell from animal B is taken and the nucleus is removed.
The nucleus with DNA from animal A is placed in the enucleated egg cell from animal B.
The cell from animal A with its DNA develops into an embryo.
The embryo develops into a baby animal that is a clone of animal A.
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What are the three types of fragmentation?
The three types of fragmentation are There are 3 exclusive however associated varieties of fragmentation: outside fragmentation, inner fragmentation, and facts fragmentation, which may be found in isolation or conjunction.
Fragmentation is frequently familiar in go back for upgrades in pace or simplicity Internal fragmentation happens while the reminiscence is shipped into fixed-sized blocks. If the reminiscence allotted to the manner is barely large than the reminiscence demanded, then the distinction among allotted and demanded reminiscence is referred to as inner fragmentation.
External fragmentation happens every time a technique of dynamic reminiscence allocation takes place to allocate a few reminiscence and go away a small quantity of unusable reminiscence. The overall amount of the reminiscence to be had is decreased appreciably in case there is an excessive amount of outside fragmentation.
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Which system of units is used by only a small number of countries in the
world, including the U.S.?
Use complete sentences or list form in order to describe the steps of replication. You must
use the following words and underline them:
Nucleus Helicase
Complementary strand
DNA Polymerase Ligase
Okasaki Fragments 5’ to 3’ Leading strand
Lagging strand
Answer:
Please find the description below
Explanation:
DNA replication involves the duplication of the DNA molecule in the NUCLEUS to yield two identical copies. It involves the following steps:
- DNA molecule (double stranded) is unwound or separated into a replication fork by DNA helicase.
- The DNA, which now comprises of two single strands i.e. one strand that runs from the 3'-5' called LEADING STRAND and other strand that runs from '-3' called LAGGING STRAND.
- An enzyme called DNA POLYMERASE attaches to the DNA and adds nucleotide in a bidirectional pattern i.e. adds nucleotide to the leading strand in a 5'-3' direction, then adds short pieces of DNA called OKAZAKI FRAGMENTS to the lagging strand.
- The synthesis of nucleotides by DNA polymerase follows the COMPLEMENTARY BASE PAIRING rule i.e. A-T, G-C.
- Another enzyme called DNA LIGASE joins the okazaki fragments together into a whole DNA.
At the end of replication process, two identical copies of DNA is produced, with each containing one old strand and one new complementary strand.
Drag the labels to identify the components of whole blood after centrifugation.
The dragging of labels in order to identify the components of whole blood after centrifugation is as follows:
Top layer: Plasma.Middle layer: Buffy coat, Platelets, Leukocytes. Bottom layer: Erythrocytes and Hematocrit. What is Centrifugation?Centrifugation may be defined as a type of biotechnique that significantly involves the utilization of centrifugal force in order to separate particles from a solution according to their size, shape, density, medium viscosity, and rotor speed.
According to the context of this question, the upper layer is the least dense which consists of about 55% of the total blood. While the bottom layer is the most dense component which consists of about 45% of the total blood.
Therefore, the dragging of labels in order to identify the components of whole blood after centrifugation is well described above.
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write any three different between about dragonfly and helicopter
Natural vs. Man-Made: A dragonfly is a living creature, specifically an insect, belonging to the animal kingdom. On the other hand, a helicopter is a man-made machine, classified as an aircraft.
Method of Flight: Dragonflies fly using wings attached to their bodies, relying on their own muscle power. They have the ability to hover, glide, and change direction quickly. Helicopters, however, achieve flight through the rotation of their rotor blades, powered by engines. They can hover in mid-air, move vertically, and travel in any desired direction.
Size and Scale: Dragonflies are relatively small insects, typically measuring a few inches in length. Helicopters, in contrast, are much larger and come in various sizes, ranging from small personal helicopters to large commercial or military ones capable of carrying significant payloads.
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Write down the oxygen requirements of the microorganisms growing in thioglycolate tube.
Answer:
Obligate aerobic microbes requires oxygen for its survival in the thioglycolate tube while Obligate anaerobic microbes does not requires oxygen.
Explanation:
Thioglycolate tube is a tube which is used to determine the oxygen requirement of different types of microbes. The concentration of oxygen is higher in the upper portion of the tube while in the lower portion, the concentration of oxygen is the lowest. So those microbes who needs oxygen for their survival will be present in the upper portion of the tube while those microbes who does not need oxygen, will be present at the bottom of the tube.
what do some ppl call space? high energy/ final frontier/ open sky/ vast universe
Answer:
Final Frontier
Explanation:
Space is the "Final Frontier"
how does gravity effect the moon phases
Explanation:
The moon's gravitational force pulls on water in the oceans and stretches the water out to form tidal bulges in the ocean on the sides of the planet that are in line with the moon. The moon pulls water on the side nearest it, which causes a bulge toward the moon. ... The moon also stabilizes the Earth's rotation.
The process in which the cultures of the world slowly become more and more alike, merging into
one global culture is called
Answer: Acculturation.
Explanation: Acculturation is a process of social, psychological, and cultural change that stems from the balancing of two cultures while adapting to the prevailing culture of the society.
Which is a plan for the future of space exploration?
Answer:
Artemis: Returning astronauts to the Moon
Under Artemis, NASA will send new science instruments and technology demonstrations to study the Moon, accelerate plans to send astronauts to the Moon by 2024, and establish sustainable lunar exploration by 2028
You insert a gene for production of a milk protein into a bacterium. However, the genetically modified bacteria do not produce the correct proteins. Why not? (Hint: think about prokaryotes and eukaryotes.)
Bacteria are prokaryotes, which means they function differently than eukaryotes in many aspects, including protein production. When an eukaryote gene is inserted in a bacteria, it is necessary to use an altered form of the gene in order to make it work and produce the associated protein correctly. In the case mentioned in the questioned, the gene wasn`t probably altered and didn`t work for the production of the milk protein.
help will give brainliest need help by 9pt. thanks
Answer:
Potassium (k)
Explanation:
Potassium is so reactiev that it wont even be found naturally in nature, it legit racts with almost anything and doesn't take almost anything at all to start a reaction. COmpared to the other Potassium is easily number 1
Identify how the physical barriers of the immune system protect the body against pathogens. Check all that apply.your nose produces oil to keep pathogens from entering the body through your noseskin contains tightly packed cellsskin is tough, flexible, and waterproofyou cough when a pathogen enters your mouthyou sneeze when a pathogen enters your nose
Answer:
Skin contains tightly packed cells.Skin is tough, flexible, and waterproof.You cough when a pathogen enters your mouth.You sneeze when a pathogen enters your nose.Explanation:
The physical barriers of the immune system prevent infections since they stop or expel any pathogen that enters the body. The skin with its cells tightly packed and characteristics, the endothelia, and mucous membrane, like the one in our nose, are physical barriers. They stop antigens from infecting our body since they can remove them by sneezing, coughing, or shedding.
Answer:
skin contains tightly packed cells
skin is tough, flexible, and waterproof
you cough when a pathogen enters your mouth
you sneeze when a pathogen enters your nose
Explanation:
How does the difference in the general size of the populations relate to the trophic level in
which these organisms are found?
Answer:
less energy at higher trophic levels, there are usually fewer organisms as well. Organisms tend to be larger in size at higher trophic levels, but their smaller numbers result in less biomass. Biomass is the total mass of organisms at a trophic level.
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how did the psalmist express his awe and thanksgiving to god for his abiding presence and love for him?
The Psalmist expresses his awe and thanksgiving to God for his affection by continually singing Him songs of praise.
The simplest way to thank God is to see Him everywhere and appreciate His presence in our life. It's important for us to remember that we are living because of Him.
The Psalms contain powerful quotes for giving thanks and finding blessings. Psalms 1 - 150 showed how the Psalmist was thanking God by singing praises to Him. The unifying theme of Psalms is praise for God.
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