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Greeley [361]
3 years ago
8

Which is more likely to happen? Two genes on the same chromosome being inherited, or two genes on different chromosomes being in

herited?
Biology
1 answer:
mixas84 [53]3 years ago
6 0

Answer:

Two genes on the same chromosome being inherited.

Explanation:

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How could genetic drift explain differences in the genotype frequencies among the caucasian and aborigine populations?
Novay_Z [31]

Genetic drift occurs when there is no random mating across a population. This causes a change in allelic frequency due to a random sampling of the population.

As the aboriginal population explored the earth,  a small part of the population became geographically isolated either due to continental drift and climate changes. As the isolated population grew bigger, they established their own gene pool. This resulted a change in genotypic frequencies from that of the aboriginal population.







7 0
3 years ago
An enzyme contains a catalytic histidine residue in its active site that must release an R group proton to solution in order to
hjlf

Options missing:

a) The pH of the environment should be relatively high.

b) The pH of the environment should be relatively low.

c) The pH of the environment would not matter.

d) The environment should be set to the biochemical standard state.

Answer:

a) The pH of the environment should be relatively high.

Explanation:

For optimal function an enzyme needs a certain environment or condition. As temperature increases, the rate of enzyme activity also increases. As temperature increases toward its optimum point of 37 degrees Celsius (98.6 F), hydrogen bonds relax and make it easier for the hydrogen peroxide molecules to bind to the catalase.

The part of the enzyme where this reaction takes place is called the active site. A temperature that is higher or lower than this optimum point changes the shape of the active site and stops the enzyme from working. This process is called denaturation.

Enzyme pH levels also change the shape of the active site and affect the rate of enzyme activity. Each enzyme has its own optimal range of pH in which it works most effectively. In humans, catalase works only between pH 7 and pH 11. If the pH level is lower than 7 or higher than 11, the enzyme becomes denaturated and loses its structure. The liver sustains a neutral pH of about 7, which creates the best environment for catalase and other enzymes.

General acid catalysis would require histidine to be protonated at pH values (pH 8.0) optimal for enzymatic activity which is relatively high.

3 0
3 years ago
A pond contains 1000 fish of which have been tagged. You catch 10 fish. How many of the fish would you except to be tagged
maw [93]

Answer:

the answer is 990 fishes

8 0
2 years ago
How do natural disasters weaken a community’s social infrastructure?
irakobra [83]
Natural disasters weaken a community's social infrastructure because D. Natural disasters can cause billions of dollars in property damage<span>. The social infrastructure of a community includes social assets such as schools, hospitals, prisons and community housing. Such places are damaged in natural disaster, adversely affecting the community.</span>
3 0
3 years ago
Read 2 more answers
What did Rosalind Franklin contribute to the understanding of DNA molecules?
RoseWind [281]

Answer:

The correct answer is A) An image indicating the shape of a DNA molecule. See the explanation below, please

Explanation:

Rosalind Franklin through studies of X-ray diffraction and crystallography, showed the double helix structure of the DNA molecule.

5 0
3 years ago
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