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Assoli18 [71]
4 years ago
8

Differentiate external and internal environment factors in influencing Gene expression​

Biology
1 answer:
Scilla [17]4 years ago
3 0

Answer Internal and external environmental factors, like gender and temperature, influence gene expression. ... Similarly, drugs, chemicals, temperature, and light are among the external environmental factors that can determine which genes are turned on and off, thereby influencing the way an organism develops and functions.

Explanation:

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A certain lake has a volume of about 480 m³. If the total population of freshwater shrimp in the lake is 600 million, what is th
emmainna [20.7K]

Answer:

1,250,000 shrimps per m³

Explanation:

Population density refers to how dense an area is per unit area/volume, and it is calculated by dividing the number of individuals in that area (population) by the area/volume of that area. That is;

Population density = population (N)/volume

According to this question, a certain lake has a volume of about 480 m³ that harbors a 600 million of freshwater shrimp. This means that;

Population density of the lake = population of shrimps ÷ volume of lake

Population density = 600,000,000 ÷ 480

Population density = 1,250,000 shrimps per m³

5 0
3 years ago
When Mendel crossed a true-breeding short plant with a true-breeding tall plant all the offspring were tall. Which term describe
max2010maxim [7]

Hi!


The answer would be: Dominant


<h3>Explanation</h3>

A cross between a true breeding short plant (homozygous for short, suppose tt), and a cross between a true breeding tall plant (homozygous for tallness, suppose TT) would result in all the offspring being heterozygous for the traits, meaning they would each have an allele of shortness (t) and an allele of tallness (T).

Considering the offspring were all tall, we understand that the allele for tallness must have been dominant over the allele for shortness to present itself over it. Hence, the term describing the gene for tallness would be dominant, and the term describing the gene for shortness would be recessive.


Hope this helps!

5 0
3 years ago
State one reason why the ozone shield is important
Virty [35]
It protects the Earth from becoming over heated, but with pollution, global warming has become more apparent because of the destruction of the ozone layer
8 0
4 years ago
In the absence of oxygen, what is the net gain of ATP for each glucose molecule that enters glycolysis?
Naily [24]

Answer:

2 molecules of ATP

Explanation:

Glycolysis is the anaerobic process (no oxygen required) used in the breakdown of glucose to extract energy. It occurs in the cytoplasm of both prokaryotic and eukaryotic cells. It is the first step of cellular respiration.

Glycolysis is subdivided into two phases: the first phase uses energy (ATP), while the second phase produces it together with pyruvate and NADH.

Two molecules of ATP are required for the first stage of glycolysis, while 4 ATP molecules and 2 NADH molecules are formed in the second stage.

5 0
3 years ago
Which planet do most known extrasolar planets most resemble
asambeis [7]

Answer:

Jupiter

Explanation:

Most of the extrasolar planets that have been discovered are most like the planet Jupiter in our solar system.

4 0
3 years ago
Read 2 more answers
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