What happens to the expression of the lacI gene if lactose is not available in the cell? View Available Hint(s)

Biology

1 answer:

olchik [2.2K]3 years ago

3 0

Answer:

There is no change, the lac l gene is constitutively expressed, regardless of the presence of lactose.

Explanation:

Lacl gene codes for the lac repressor hence is always expressed to produce lac repressors which may or may not be bounded dependent on the presence of lactose. Lacl gene expression is not regulated, thus is constitutively expressed.

You might be interested in

Can identical twins be different heights

vfiekz [6]

Yes. But if you look closely, they are still not exactly the same. They will always have some physical differences due to differences in their environment. Some identical twins can have different heights and weights. This is because height and weight are controlled by what you eat as well your DNA.

8 0

4 years ago

The following models show one large cell (A) and four small cells (B).

Fudgin [204]

B is better because it has more surface area.

6 0

3 years ago

Read 2 more answers

Why do biologists study bacteria ?

andre [41]

Answer:

Today: Monday, 12 October 2020

Hour: 06.41 WIB (in Indonesia)

__________________________

because bacteria are included in one of the branches of biology, that is microbiology. Biologists learn about the benefits of bacteria in human life as well as the bad effects caused by certain bacteria

6 0

3 years ago

What conditions are necessary for the formation of natural lake?

FinnZ [79.3K]

Answer:

Temperature, light, and wind are three of the main factors that affect the physical characteristics of a lake.

Explanation:

Temperature and light vary from lake to lake. Depth, plant growth, dissolved materials, time of day, season, and latitude can all affect light's ability to pass through the lake's water

4 0

3 years ago

A ________ is a membrane-bound sac found in cells that contains digestive enzymes which break down complex molecules or structur

Assoli18 [71]

Lysosome is the membrane-bound sac.

8 0

4 years ago