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DedPeter [7]
3 years ago
14

Describe the relationship between DNA, chromosomes, and genes.

Biology
2 answers:
Alexandra [31]3 years ago
7 0
A thread like of DNA in the cell nucleus that carries the genes a linear order
Marianna [84]3 years ago
7 0

Answer:

A thread like of DNA in the cell nucleus that carries the genes a linear order

Explanation:

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In a relatively small iguana population the allelic frequency is tracked for three generations. Webbing is a recessive allele; n
kakasveta [241]

Answer:

This is an example of founder effect.

Explanation:

Founder effect may be illustrated as the loss of genetic variation in a novel small population originated from the original population. The concept was initially presented by Ernst Mayr. It can be seen that genetic diversity has got reduced in the population of iguana due to the result of the flood that has washed all the iguana without webbed feet into the sea.  

The new population has got inclined from the small iguana population. Thus, the iguana population is regarded as an illustration of the founder effect.  

5 0
3 years ago
Read 2 more answers
Study the following statements, which compare the method of fermentation preferred by yeasts to they type of fermentation that m
Volgvan

Answer:

Only one of the three statement is true; and that is,

(ii.) Different metabolic end products result from the two types of fermentation

Explanation:

Fermentation is the process by which organic molecules such as glucose are broken down into smaller molecules to extract energy as ATP in the absence of oxygen.

Fermentation is carried out by many organisms including man.

In man, fermentation occurs in very active skeletal muscles such as in an athlete running. It involves the reduction of pyruvate produced from the glycolytic pathway to lactate in the muscles. The net yield of ATP from glucose breakdown to produce lactate is 2 ATP molecules.

In microorganisms such as yeast, the fermentation product of py ruvate derived from glycolysis is ethanol and carbon dioxide, CO₂. The net ATP yield in fermentation of glucose in yeast cells is also 2 ATP molecules.

From the options provided in the questions, the correct option is:

Only one of the three statement is true and that is that, ii. Different metabolic end products result from the two types of fermentation.

4 0
2 years ago
The plaque (microbial biofilm) that forms between your teeth is a highly anaerobic (oxygen-free) environment, even though the mo
slavikrds [6]

Answer: The bacteria uses the oxygen present in the mouth.

Explanation:

The plaque that is formed in the teeth is a highly anaerobic bacteria but it can sustain in the environment rich in oxygen. The oxygen is used by the bacteria and there is a absence of oxygen in the teeth.

It is formed in between the teeth which needs oxygen to survive and if remains for tooth for a longer period of time then it began to grow without oxygen.

It basically uses the oxygen available in the mouth and makes the condition anaerobic.

8 0
3 years ago
An envelope is used by viruses to
Lerok [7]

Answer:

Spread

Explanation:

People use envelopes very often. The germs people carry are put into the envelope and then it's sent out to many others.

4 0
2 years ago
50 points! b)separates sections of DNA by size in order to isolate specific genes. (1 point)
stellarik [79]

Gel electrophoresis is a technique used to separate DNA fragments according to their size. This is from Khan academy so I believe it is reliable.

4 0
2 years ago
Read 2 more answers
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