Biology College

1. What is an operon?

a. The binding site for a repressor PRO.

b. Any group of genes responsible for the metabolism of lactose in a prokaryotes or eukaryotes.

c. A cluster of genes under the control of a promoter.

d. A regulatory gene.

Answers

Answer 1

Answer:

The answer is D

Explanation:

Answer 2
Answer: c! I think, hope this helped

Related Questions

What is the definition of "earth overshoot day?"

Answers

Answer: Earth Overshoot Day is the calculated illustrative calendar date on which humanity's resource consumption for the year exceeds Earth’s capacity to regenerate those resources that year. The term "overshoot" represents the level by which human population overshoots the sustainable amount of resources on Earth.

What he saiddhdhshshshshdhdjdjdjdjdjd

FIND THE INDEPENDENT & DEPENDENT VARIABLE!

- the amount of iron in blood depends on the amount of red meat a person eats.

Answers

Answer:

The answer is:

Independent: red meat eaten by a person

Dependent: iron in the blood

Explanation:

A dependent variable has to depend on something else, so in order for a dependent variable to exist or happen, there has to be the independent variable. The independent variable is something that does not need anything else to happen for it to take place. It s independent. Such as, a mother cannot have a child without sperm. The mother have a child is dependent, where the sperm is independent.

What is and example of an molecule
Muscle tissue
Protein
Stomach
Unicellular organism

Answers

An example of an molecule is Protein

In which experimental set up shown would you expect the Elodia plant inside a test tube to produce the least amount of oxygen

Answers

Answer:

Due to less concentration of carbondioxide gas.

Explanation:

Elodia plant inside a test tube produces the least amount of oxygen due to limited carbondioxide gas that is necessary for photosynthesis process. If a test tube has less amount of carbondioxide gas which is a reactant in photosynthesis so in the end the Elodia plant generates less amount of glucose as well as oxygen while on the other hand, if there is more carbondioxide gas is available to Elodia plant, more oxygen as well as glucose is produced.

I Will Give BRIANIEST
A scientist tests the water in a local pond and finds that it has a pH of 7.9.

What is true about the water sample?

Choose 1 answer:


(Choice A)
A
It is basic.


(Choice B)
B
It is acidic.


(Choice C)
C
It is neutral.


(Choice D)
D
It is both basic and acidic.

Answers

Answer:

it is Basic brooooooo. No B NOT C AND NOT D. oNly A

The answer is A. The ph of regular water is about 7.0 or so. so since it's 7.9 it means it's basic. You're welcome :)

Please help me on this question

Answers

the first one goes with pollutes groundwater , the second one goes with harms aquatic creatures & the last one goes with destroys animals habitats .

The Earth is ________________of years old

Answers

Answer:

the earth is 4.543 billion years old

___is a process that tells cells to stop dividing if they touch each other.

Answers

Answer:

Contact inhibition

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