Answers
Answer:
The correct answer is E. Vertebrates have a closed circulatory system.
Explanation:
The main mission of the circulatory system is to deliver oxygen and nutrients to all body cells.
In the closed circulatory system, blood travels inside a network of blood vessels, without leaving them. The material transported by the blood reaches the tissues through diffusion. It is characteristic of all vertebrates, including humans.
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The pedigree below concerns a certain rare disease that is incapacitating but not fatal. Determine the most likely mode of inheritance of this disease. Write the genotype of each family member according to your proposed mode of inheritance. If you were this family’s doctor, how would you advise the three couples in the third generation about the likelihood of having an affected child?
Results from multiple experiments suggest that the ActA protein of Listeria, an integral membrane protein expressed on the cell surface, is the only bacterial protein that is required for the movement of the bacterium within its host cell. Which combination of the following observations shows that ActA is both, necessary and sufficient for bacterial movement?Please note: E. Coli is not an intracellular bacterium - it does not normally move inside the cytosol, and it does not express ActA.I. ActA binds to the Arp2/3 complexII. E. Coli in which ActA is expressed moves in host cell cytosolIII. Listeria lacking the ActA gene fail to move inside the host cell cytosol.IV. ActA has 3 transmembrane domainsV. Arp2/3, when activated, nucleates a branched actin networkA. I and IIB. II and IIIC. I and IIID. III and IVE. I and V
What causes static electricity?
Research Problem: You come across three new species of primates that all cohabitate the same forested area. No one has looked at the behavior of these monkeys before so there is lot to discover about each species. You and a fellow researcher are interested in describing the diet of each of these species (Do they eat fruits? Leaves? Insects? Tree-sap? A combination of sorts?). Your fellow researcher has determined that her hypothesis is that two of the monkeys primarily eat fruit, while one of the monkey species eats tree sap.
Answers
The law of independent assortment states that traits are passed from parents to offspring independent of one another.
The law of independent assortment, formulated by Gregor Mendel, is a fundamental principle in genetics that describes the inheritance pattern of different traits. According to this law, the segregation of one pair of alleles (genes) during gamete formation is independent of the segregation of another pair of alleles for different traits. In simpler terms, the inheritance of one trait does not influence the inheritance of another trait.
Mendel's experiments with pea plants revealed that the assortment of alleles for one trait (such as flower color) does not affect the assortment of alleles for another trait (such as seed shape). The law of independent assortment holds true under the condition that the genes governing these traits are located on different chromosomes or are far enough apart on the same chromosome to undergo genetic recombination.
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Answer:
The law of states that traits are passed from parents to offspring independently of one another. The Law of Independent Assortment, also known as "Inheritance Law", states that traits are passed from parents to offspring independently of one another.
Explanation:
Answers
Answer:
Glycogen.
Explanation:
Carbohydrates are the one of the most important bio molecules present in the living organisms. The carbohydrates are the polymers of the sugars that are linked through the glycosidic bonds.
The carbohydrate is stored in the form of starch in plants. The animals carbohydrates is stored in the form of glycogen. The sugars units are linked through the alpha glycosidic bonds with both the linear and branched chain structure.
Thus, the answer is glycogen.
Answers
Answer:
Latitudes affect the climate by receiving different amount of sunlight and wind.
Explanation:
Latitude may be defined as the angular distance of the north and south of the earth's equator.
Places present at high latitude receives less sunlight and have cold climate. Places present at low latitude receives large amount of sunlight and have warm climate.
Thus, the latitude affects the climate of an area.
irregular shaped object?
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Answer:
d = 2 g/mL
Explanation:
Given that,
Water displaced by an object in a graduated cylinder, V = 25 mL
Mass of the object, m = 50 g
We need to find the density of this irregular shaped object. It is given by mass per unit volume. So,
So, the density of the object is 2 g/mL.
Which statement is most supportive of the claim that genetic diversity is an advantage of sexual reproduction?
Genetic variation from sexual reproduction ensures that at least some individuals will have advantageous traits that help them survive.
Asexual reproduction results in the same genes being copied, which means the same vulnerabilities in the population.*******
Sexual reproduction creates genetic diversity, which results in a wide range of appearances in a population.
Lack of genetic diversity from asexual reproduction results in a diminished ability to survive changes to the environment.
What is the most likely explanation for a child exhibiting a heritable trait that neither parent exhibits?
The trait was passed on by a different biological parent, and one of the child's parents is not biologically related.
The trait was inherited from a more distant relative, like a great-grandparent.
The parents carried a second trait that masked the trait of interest.
The trait is recessive, so both parents carry it, and the child inherited each recessive allele.**********
Which statement has exceptions?
Sexual reproduction requires two parents, whereas asexual reproduction requires only one parent.
Sexual reproduction produces genetic variation, but asexual reproduction does not.
Sexual reproduction is more complex, while asexual reproduction is a simpler process.
Sexual reproduction involves parental care, while asexual reproduction does not.******
Assume a bacterial cell failed to replicate its DNA before it reproduced two daughter cells. The reproduction would result in
neither cell containing DNA.
both cells containing DNA.
one cell with DNA and one cell without DNA.*******
one cell with DNA and one cell with two sets of DNA.
A parent bacterial cell is able to survive in the presence of the antibiotic penicillin. Subsequent generations from this parent will be _______ penicillin.(1 point)
resistant to*****
killed by
dependent on
vulnerable to
Hydras are animals related to coral and jellyfish. Hydras can reproduce sexually or asexually. Why would hydras avoid reproducing asexually when conditions are difficult?
The lack of genetic diversity could mean that all of the hydras die, depending on the situation. ******
The high genetic diversity could mean that all of the hydras die, depending on the situation.
Reproducing more rapidly would be a good way to take advantage of plentiful resources.
Reproducing more slowly would be a good way to take advantage of plentiful resources.
Answers
Final answer:
Sexual reproduction creates genetic diversity, allowing some individuals to have advantageous traits. Inheriting a trait that neither parent exhibits suggests it is recessive and both parents carry it. Hydras avoid asexual reproduction when conditions are difficult to prevent a lack of genetic diversity.
Explanation:
The statement that is most supportive of the claim that genetic diversity is an advantage of sexual reproduction is: Genetic variation from sexual reproduction ensures that at least some individuals will have advantageous traits that help them survive. Sexual reproduction creates unique combinations of genetic material through the process of fertilization, resulting in offspring with diverse traits. This genetic diversity increases the likelihood of individuals having advantageous traits that can help them adapt and survive in changing environments.
In the case of a child exhibiting a heritable trait that neither parent exhibits, the most likely explanation is that the trait is recessive and both parents carry it. This means that the child inherited two copies of the recessive allele, one from each parent, which is necessary for the trait to be expressed.
Hydras, despite being capable of reproducing asexually, would avoid doing so when conditions are difficult because asexual reproduction does not create genetic diversity. Without genetic diversity, all hydras in the population would have the same traits, making them vulnerable to changes in the environment.
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Answers
The eqation which reporesent Photosynthesis is6CO2 + 6H2O ® C6H12O6 + 6O2
Photosynthesis is the process by which green plants manufacture their food(in form of sugar) using carbon dioxide and water in the presence of sunlight. This is possible because of the presence of chlorophyll which creates a medium to absorb the sun's energy. The Light energy formed then converts water and carbon dioxide into oxygen and sugars.
The chemical equation to represent the process is as follows
6CO2 + 6H2O ------> C6H12O6 + 6O2.
sunlight
Here, six molecules of carbon dioxide and six molecules of water reacts in the presence of light energy captured by chlorophyll from the sun to form sugar and six molecules of oxygen.
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Answer:
[See Below]
Explanation:
Here's the equations for photosynthesis.
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