Fig. 2.1 is a drawing of a piece of plant tissue. (i) What name is given to this type of tissue? Choose your answer from the list. ( palisade mesophyll, root hair, xylem ) (ii) Name the part labelled A in Fig. 2.1
Answers
Answer:
The answer to Question (i) is Xylem
Explanation:
The Xylem is the vessel/tissue network in plants that carries and moves water and dissolved nutrients from the root to other areas of the plant (from the root to the stem to the leaves). The Xylem is an integral part of the plant that becomes wood.
Answer:
The answer to Question (ii) is Vessel Member
These are long and narrow plant cell types. Their structure comprises dual cell walls that can be categorized into primary and secondary walls found in the xylem. They are usually shorter in length than tracheids.
Tracheids are elongated cells in the Xylem of plants with a vascular system. Their primary role is the transportation of water and mineral salts.
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Related Questions
Which of the following is the lysosome?
Answers
Answer:
D
Explanation:
homologous or analogous
Answers
Homologous and analogous are two biological terms that are frequently used to compare structures or functions of different organisms.
Homologous refers to structures or functions that are similar due to common ancestry, while analogous refers to structures or functions that are similar due to convergent evolution. Homologous structures are those that share a common ancestry. They have a similar basic structure, but may have different functions. An example of homologous structures is the wings of bats, birds, and insects.
Although these structures have different functions in each organism, they share a similar structure due to their common ancestry. Homologous structures are important evidence for evolution, as they demonstrate that different species share a common ancestor with a similar structure that has been modified over time to perform different functions.
Analogous structures, on the other hand, are those that have a similar function, but do not share a common ancestry. They have evolved independently in different organisms to perform similar tasks. An example of analogous structures is the wings of birds and insects.
Although they serve a similar function (flight), they have different basic structures and are not related by common ancestry. Analogous structures are important evidence for convergent evolution, as they demonstrate that different species can evolve similar structures to adapt to similar environmental pressures.
In conclusion, homologous structures are similar due to common ancestry, while analogous structures are similar due to convergent evolution. Understanding the differences between these two concepts is important in understanding the mechanisms of evolution and the relationships between different organisms.
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identify the 11 parameters measured in this test and their importance.
Answers
A urinalysis test is a diagnostic analysis of the urine that might provide important details about a person's health. The importance of each of the 11 parameters found in a urinalysis test is listed below:
ColorClarityOdorparticular gravitypH ProteinGlucoseKetones BilirubinUrobilinogen BloodThese features are important because they can identify potential urinary system health concerns such as infection, kidney damage, metabolic disorders and liver issues. Urinalysis tests are also used to track treatment of those conditions to ensure that certain disorders, including diabetes, are properly controlled.
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Your question is incomplete, most probably the complete question is:
Identify The 11 Parameters Measured In A (Urinalysis) Test And Their Importance
A key part of the Watson-Crick model came when Watson realized
that adenine could form hydrogen bonds with thymine and guanine
could form hydrogen bonds with cytosine. This explains why A=T
and G C in Chargaff's rules. Also, these two hydrogen-bonded
nucleotide pairs had the exact same width, so they could form the
rungs of the DNA ladder.
The fact that these pairs could match up only in this way meant that
the sequence of bases in one strand could determine the sequence
of bases in a second strand created from the first. The second strand
is said to be complementary to the first strand. Individual bases are
paired so that the identity of any base determines the identity of the
base paired with it; that is, the complementary base.
This table lists the base abbreviations for bases in a sample of single-
stranded DNA. Fill in the second column with the base abbreviations
that are complementary to the given bases.
Answers
The complementary base for the given base abbreviations in the second column of the DNA bases table are as follows:
DNA bases table AU CGGC CGAT TAAT ATTA TACG ATGC CGTA TAGC GCAT TCGG AUCG GCTA ATGC CGUA TAGC GCAT GCTA ATGC CGUA TAGC GCAT
To fill in the second column with the base abbreviations that are complementary to the given bases, we can use the Watson-Crick base pairing rules:
Adenine (A) pairs with Thymine (T)
Guanine (G) pairs with Cytosine (C)
Here's the table with the complementary base abbreviations filled in:
Base Abbreviation Complementary Base Abbreviation
A T
T A
G C
C G
Using the Watson-Crick base pairing rules, the complementary bases for the given bases are:
The complement of A is T.
The complement of T is A.
The complement of G is C.
The complement of C is G.
Therefore, the second column with the base abbreviations that are complementary to the given bases is:
Base Abbreviation Complementary Base Abbreviation
A T
T A
G C
C G
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Larger SI units of measurements that we'd use to measure a football field are …..
Answers
Hope my answer helped u :)
Answer:
Larger SI units of measurements that we'd use to measure a football field are
feet, yards, or meters
Explanation:
Physical and Chemical Changes (7.6A)
3 The chart below shows how several body parts aid in the digestion of food.
Which of the following is a physical change that occurs through the process of
digestion?
Body Part
Teeth
Stomach
Small Intestine
Large Intestine
Process
Break down food by tearing, crushing,
and grinding into smaller pleces
Enzymes and acid break down food Into
smaller pieces for absorption
Food molecules are absorbed Into the
bloodstream
Water molecules are absorbed from
waste
A Break down food by tearing, crushing, and grinding into smaller pieces
B Enzymes and acid break down food into smaller pieces for absorption
C Food molecules are absorbed into the bloodstream
D Water molecules are absorbed from waste
Answers
The physical change that occurs through the process of digestion is B Enzymes and acid break down food into smaller pieces for absorption.
What is digestion ?The process of digestion breaks down food into smaller molecules that can be absorbed and utilized by the body. This complex system requires enzymes and acids to work together to break down larger pieces of food in order to facilitate optimal nutrition absorption.
The method of breaking down these foods is a chemical reaction that effectively reduces large, complex molecules into smaller, more manageable ones thanks to the use of enzymes and appropriate substances designed for such purpose.
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What term describes the close association of a fungus with the root of a tree? 1 a rhizoid 2 a lichen 3 a mycorrhiza 4 an endophyte.
Answers
Option 3 is correct i.e., Mycorrhiza is the term used to describe the tight relationship between a fungus and a tree's root. A fungus called mycorrhiza develops a network of fungi inside plants that helps the roots grow longer.
Terrestrial plants, including trees, rely on mycorrhiza to survive. They have the ability to create a huge network of fungi that can ingest nutrients from other plants. Two varieties of mycorrhiza exist. Endomycorrhizae and ectomycorrhizae are the first and second, respectively.
Ectomycorrhizal fungi encase the plant's root in a sheath, and their hyphae penetrate the soil to create a network that can link several plants. Conifers, oak, and beech trees, among others, frequently exhibit this kind of relationship.
On the other hand, endomycorrhizal fungi enter the plant's root cells and create arbuscules, which expand the root's surface area and enhance nutrient intake. Grasses and a wide variety of agricultural crops, including wheat, corn, and soybeans, frequently exhibit this kind of connection.
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How are organelles and cells related?
Answers
Answer:
An organelle is a subcellular structure that has one or more specific jobs to perform in the cell, much like an organ does in the body. Among the more important cell organelles are the nuclei, which store genetic information; mitochondria, which produce chemical energy; and ribosomes, which assemble proteins.
Explanation:
organelles membrane bound structure found within a cell......
bound in a double layer of phospholipids to insulate their little compartments within the larger cells just as a celll
Algae are plantlike organisms that live in the water. These algae have been in sunlight for several hours now. What can the algae do because they are in sunlight? What does this mean for the number of energy storage molecules in the algae?
The algae can….
Answers
Answer:
Algae can perform photosynthesis because they are in sunlight. Photosynthesis is the process by which algae use sunlight, carbon dioxide, and water to produce energy-rich organic molecules such as glucose and oxygen. During photosynthesis, the energy from sunlight is converted into chemical energy stored in the form of energy-rich organic molecules. As a result, the number of energy storage molecules in the algae will increase as long as they continue to receive sufficient sunlight, carbon dioxide, and water. This is because photosynthesis allows the algae to convert the energy from sunlight into chemical energy stored in these molecules, which they can use for growth and metabolism. Therefore, the longer the algae are in sunlight, the more energy-rich molecules they can produce through photosynthesis.
Distinguish between a prokaryotic cell and a eukaryotic cell by selecting the accurate statements that apply to eukaryotic cells. Check all that apply. A) Only eukaryotic cells have flagella. B) Only eukaryotic cells have mitochondria. 0 Only eukaryotic cells have a cell membrane. D) Only eukaryotic cells have an endoplasmic reticulum. Only eukaryotic cells have DNA enclosed in a nucleus.
Answers
Answer:
B) Only eukaryotic cells have mitochondria
Only eukaryotic cells have DNA enclosed in a nucleus.
Explanation:
This is because eukaryotic cells are cells that have membrane bound organelles like RIBOSOMES, mitochondria, endoplasmic recticulum, Golgi apparatus e.t.c and they have nucleus. Their DNA are enclosed in a nuclear envelope. They are mostly multicellular cells and their memberane bound nucleus and organelles perform several roles.
Could someone help me with this???
Answers
Answer:
A covalent
Explanation:
HELO ME PLEASE IM BEING TIMED
Answers
When a substances like sugar, salt or lemon juice dissolve into a liquid and appears to "disappear", it is no longer present in the solution.
True
False
Answers
Answer:
False.
Explanation:
A solvent is the substance that does the dissolving – it dissolves the solute. In salt solution, water is the solvent. During dissolving, particles of solvent collide with particles of solute. They surround the particles of solute, gradually moving them away until the particles are evenly spread through the solvent.
The molecules are still there.
the heart can move about five liters of blood in one minute. what is this in m3s?
Answers
The heart can move approximately 0.0000833 cubic meters of blood per second, or 8.33 x 105 cubic meters per second.
To convert 5 liters per minute to cubic meters per second, we first need to convert liters to cubic meters. One liter is equal to 0.001 cubic meters, so 5 liters is equal to 0.005 cubic meters.
Next, we need to convert minutes to seconds. There are 60 seconds in one minute, so we can divide 0.005 cubic meters by 60 to get the amount of blood moved in one second:
0.005 cubic meters / 60 seconds = 0.0000833 cubic meters per second
Therefore, the heart can move approximately 0.0000833 cubic meters of blood per second, or 8.33 x 10^-5 cubic meters per second.
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The phospholipids that make up cell membrane have hydrophilic heads and hydrophobic tails
Answers
Answer:
A phospholipid consists of a hydrophilic (water-loving) head and hydrophobic (water-fearing) tail. In water, phospholipids spontaneously form a double layer called a lipid bilayer, in which the hydrophobic tails of phospholipid molecules are sandwiched between two layers of hydrophilic heads.
Explanation:
Would you expect a fast moving
mountain stream or the Mississippi River to have more dissolved oxygen? Explain.
Answers
Answer:
The mountain stream will be colder, and faster moving and more turbulent than the Mississippi River. Both factors should maximize oxygen solubility
Explanation:
Hope this helps UwU
Answer:
Fast moving mountain stream
Explanation:
The fast-moving mountain stream would have more dissolved oxygen because the movement of the water forces air into the water.
If you use the letter E for this gene. what is the genotype of the offspring if the parents were EE x ee
Answers
ANSWER: Ee
This is because if we had a punnett square one box would be EE another would be the recessive ee and the last two for hybrids Ee meaning two traits will mix or most likely be dominant
Do you think animals pollinate flowers and disperse seeds on purpose or by accident?
Answers
Answer:
Animals most likely pollinate by accident.
Explanation:
Deer for example, they may graze in the grass. The pollen/seeds could catch onto their fur--and later fall off into a different area when they walk away. They could also eat a plant, and the seeds end up in their feces. Bees for another example don't necessarily mean to pollinate, they just happen to pick up pollen/seeds when they land on a flower for honey.
Hope this helps :)
what are examples of connective tissue
Answers
Answer:
blood-Fluid connective tissue
tendons-bone to muscle
ligaments-muscle to muscle
.・゜✭・Examples include adipose, cartilage, bone, blood, and lymph.
which of the three organic compounds should you limit the most (Molecular Biology)
Answers
Among the three organic compounds, carbohydrates, lipids, and proteins, it is generally recommended to limit the intake of lipids (fats) the most, as excessive consumption can contribute to health issues such as obesity and cardiovascular diseases.
When considering organic compounds in the context of molecular biology, the compound that should be limited the most is likely carbohydrates, specifically simple sugars.
Carbohydrates serve as a major energy source for cells, and excessive consumption of simple sugars can lead to various health issues. When consumed in excess, simple sugars can contribute to weight gain, obesity, and metabolic disorders like diabetes. They can also cause fluctuations in blood sugar levels, leading to energy crashes and increased hunger.
While lipids (fats) are also an important energy source and play vital roles in cell structure and function, they are more calorie-dense than carbohydrates. However, it is important to note that not all fats are unhealthy, and a balanced intake of healthy fats is crucial for proper physiological function.
Proteins are essential for growth, repair, and various cellular processes. While excessive protein consumption can strain the kidneys in some individuals, it is generally less of a concern compared to carbohydrates or unhealthy fats.
In conclusion, it is advisable to limit the consumption of simple sugars and processed carbohydrates to promote overall health and prevent metabolic disorders. However, a balanced diet that includes all three organic compounds in appropriate proportions is essential for optimal molecular biology and physiological function.
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Different breeds of dogs can have dramatic phenotype differences, but because they are all from the same species these different breeds would all have the same genotype as each other.a. Trueb. False
Answers
The given statement is False.
Different breeds of dogs can have dramatic phenotype differences, such as variations in size, coat color, and temperament. However, these differences arise due to variations in their genotypes as well. While all dog breeds belong to the same species (Canis lupus familiaris), they exhibit genetic diversity within the species.
Breeds are typically created through selective breeding, where individuals with desired traits are bred together to pass on those traits to their offspring. This selective breeding leads to specific genetic variations that contribute to the unique characteristics of each breed.
Therefore, different dog breeds can have distinct genotypes that underlie their phenotypic differences, meaning they do not all have the same genotype.
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There are two humans, three dogs, two birds, five cats and a spider
in a room. How many legs are there all together?
Answers
Answer:
the answer is 48
4+12+4+20+8
I saw this question and I thought it was cool
There will be a total of forty-eight legs. Two Humans have four legs three dogs have 12 birds.
What are legs?The legs are the two lower limbs of the body. They provide support and a range of movements.
Each leg contains five regions.
upper legkneelower legankleLegs are the most important parts of organisms. They are also called hindlimbs. Humans have two legs. Therefore two humans have four legs.
Dogs have four legs. Three dogs have twelve legs. Two birds have four legs. Five cats have 20 legs and spiders have 4 legs.
Therefore the total number of legs will be 48 legs.
Therefore, There will be a total of forty-eight legs. Two Humans have four legs three dogs have 12 birds.
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What can be concluded from the following data?
#1
DNA profiling of a male with Down syndrome.
#2
Karyotype of a male with a normal set of chromosomes.
#3
DNA profiling of a male with a normal set of chromosomes.
#4
Karyogram of a male with Down syndrome.
Answers
Answer:
Karyogram of a male with Down syndrome.
the method of passing microorganisms by touching is called:
Answers
Answer:
it is called communicable
How were fossils used to further substantiate Wegener’s hypothesis? Choose all correct answers.
a.
Fossils of warm water organisms were found in very cold locations
b.
Fossils from the time of continental drift show a biological uncertainty
c.
Nearly identical fossils were found across large oceans
d.
All of the fossils that had been discovered were older than Pangaea
Answers
Answer:
b.
Explanation:
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Categorize each characteristic of nucleotide synthesis as describing either de novo pathways or salvage pathways. De novo pathways Salvage pathways Answer Bank require less ATP reincorporate preformed bases into nucleotides assemble nucleotide bases from simple precursor compounds produce carbamoyl phosphate or 5-phosphoribosylamine
Answers
De novo pathways are assemble nucleotide bases from simple precursor compounds, produce carbamoyl phosphate or 5-phosphoribosylamine, and Salvage pathways are reincorporate preformed bases into nucleotides
A nucleotide is a molecule that contains a sugar molecule, a nitrogenous base, and one or more phosphate groups. Nucleotides are the building blocks of DNA and RNA, and they play a significant role in cellular metabolism. The de novo and salvage pathways are the two major pathways for nucleotide biosynthesis. De novo pathways synthesize nucleotides from simple precursor molecules, while salvage pathways reuse preformed nucleotide bases and attach them to ribose sugars. ATP is used extensively in de novo pathways, whereas salvage pathways require less ATP.
In addition, de novo pathways assemble nucleotide bases from simple precursor compounds, whereas salvage pathways reincorporate preformed bases into nucleotides.The pathway for de novo synthesis of pyrimidines begins with carbamoyl phosphate formation, whereas purines are synthesized from 5-phosphoribosylamine (PRA) in purine biosynthesis. Salvage pathways reincorporate preformed bases into nucleotides. This saves energy since the energy-intensive steps required for de novo synthesis are avoided.
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Which statement best describes enzymes?
Every enzyme controls many different reactions
The rate of activity of an enzyme might change as pH changes
Temperature changes do not affect enzymes
Enzymes are produced from the building blocks of carbohydrates
Answers
Answer:
The rate of activity of an enzyme might change as pH changes
Explanation:
Enzymes are organic catalysts that controls the rate of a specific chemical reaction.
These materials combines substrates in order to lower the activation energy which might serves as a barrier to chemical action.
Enzymes have specific reactions which they control. Temperature and PH conditions control the rate at which enzymes work. They are not all produced from the building block of carbohydrates.An adult stem cell called a hematopoietic stem cell from bone marrow is most useful in treating a ______.
Answers
An adult stem cell called a hematopoietic stem cell from bone marrow is most useful in treating blood-related disorders. This includes leukemia, lymphoma, and other types of cancer that affect the blood cells.
Hematopoietic stem cells (HSCs) are adult stem cells found in the bone marrow and are responsible for producing all types of blood cells, including red blood cells, white blood cells, and platelets.
Due to their ability to differentiate into various blood cell types, HSCs are most useful in treating blood-related disorders such as leukemia, lymphoma, and certain types of anemia.
In particular, hematopoietic stem cell transplantation (HSCT) is a common treatment for these types of disorders, where HSCs from a healthy donor are transplanted into a patient's bone marrow to replace damaged or diseased cells.
The transplanted HSCs can then differentiate and produce healthy blood cells, ultimately leading to the restoration of the patient's immune system and improving overall health.
Research is ongoing to explore the potential use of HSCs in treating other disorders, such as heart disease, diabetes, and spinal cord injuries, but their current clinical applications are primarily focused on blood-related disorders.
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1. Which of the following is not a microorganism, but helps bread rise in baking?
Yoghurt
Yeast
Bicarbonate of soda
Salt
Answers
What would happen to the moose population if the wolves were removed?
Answers
Answer:
Moose would go unchecked and increase to a point and then decrease due to other limiting factors.
Answer:increase than decrease due to a limit of factors.
Explanation: