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Verizon [17]
3 years ago
14

Which of the following is a protein produced by a regulatory gene?

Biology
1 answer:
beks73 [17]3 years ago
8 0

the answer is D) repressor

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Hich statement is true about P waves?
tatiyna

P waves are one of the main types of elastic body waves. They travel faster than the other seismic waves and it is the first single that arrives during an earthquack.


- R3KTFORGOOD ☕

8 0
3 years ago
One of the "triggers" proposed for the Cambrian explosion is a dramatic rise in oxygen concentrations that occurred in the ocean
ZanzabumX [31]

Answer:

1. Oxygen is an effective final electron acceptor in cellular respiration because of its high electronegativity.

2. Organisms that use it as a final electron acceptor can produce more usable energy than organisms that do not use oxygen, but only if it is available.

3. With more available energy, aerobic organisms can grow larger and move faster.

Explanation:

1. Cellular respiration is an aerobic pathway because oxygen is an electron acceptor. This process produces 38 molecules of ATP per glucose. The atomic elements that are positioned at the right of the periodic table have high electronegativities because they tend to be electron acceptors.  

2. The efficiency of energy production of aerobic respiration is much higher compared to the anaerobic respiration because this metabolic pathway (aerobic respiration) can produce 38 molecules of ATPs per glucose molecule, while anaerobic respiration produces only 2 ATPs by glucose.

3. A higher amount of available energy improves the metabolic profile of the organisms with aerobic respiration.

3 0
3 years ago
Scientists have altered the genetic code of some potato plants by inserting genes that make the plants produce an insecticide. W
Lana71 [14]
D. Genetic engineering
4 0
3 years ago
Attached earlobes are recessive to free earlobes. What is the probability of having a child with attached earlobes when two indi
Mars2501 [29]

Answer:

1/4

Explanation:

Let the earlobe allele be represented by A. since the attached earlobe is the recessive trait, the genotype would be aa while the free earlobe would be AA. The heterozygous condition would be Aa.

Two individuals heterozygous for free earlobes mated:

          Aa     x     Aa

    AA     Aa     Aa     aa

AA and Aa = Free earlobe = 3/4

aa = attached earlobe = 1/4

<em>Hence, the probability of the couple having a child with an attached earlobe is </em><em>1/4.</em>

4 0
3 years ago
Specific ways that humans have caused some species to go extinct
ira [324]

Answer:

Destruction of animals' habitats. Some examples of this are... tree logging, slash and burn farming, and deforestation. Humans also hunt animals to extinction either for sport or food.

Explanation:

8 0
3 years ago
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