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4 years ago

When hormone levels are consistently high, the number of receptors for that hormone on the target cells tend to?

1 answer:

4 0

When hormone levels are high, the receptors on the cells become increasingly saturated.

This means that there are an increasingly less amount of receptors available to bind that particular hormone.

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Why are trees not found in the chaparral?

Serjik [45]

Because people would kill them or the soil is to dry.

5 0

4 years ago

A bacterial cell has been genetically modified to have a plasmid that contains a gene that codes for human growth hormone (HGH).

AnnyKZ [126]

Answer:

A) the original bacterial cell will produce HGH

B) the offspring of the transformed bacteria will produce high HGH

C) HGH can be isolated from bacterial cultures and used as a pharmaceutical

Explanation:

Hope this helps :)

4 0

3 years ago

8. In an attempt to breed winter barley that is resistant to barley mild mosaic virus, agricultural researchers cross a suscepti

alisha [4.7K]

Answer:

The resistance allele is recessive

Explanation:

According to Darwin's pea experiment, the recessive trait appeared after a few generations.

Here in this case too the resistant individuals appeared after the first generation. This also implies that the offspring of first generation must be carrier of this recessive trait.

Let the susceptible domesticated strain trait be represented by "S"

and the recessive resistant wild strain trait be represented by "s"

Then,

F1 generation

SS * ss

Ss, Ss, Ss, Ss ------ All are heterozygous susceptible individuals

F2 generation

Ss * Ss

SS, Ss, Ss, ss

ss shows reappearance of resistant wild trait.

Hence, the resistance allele is recessive.

5 0

3 years ago

1.) You lie deep in the Earth's crust.

nlexa [21]

There are three types of rocks according to how they get formed. <u>Igneous rocks </u>come from the Earth's interior as lava and erupt out of a volcano, getting cold and solidifying when get in touch with air.

<h3>Types of rocks</h3>

According to how they get formed, we can mention three different main types of rocks,

Metamorphic

Igneous

Sedimentary

<h3 />

<h3>Igneous Rocks</h3>

These rocks come straight from the interior of the Earth.

A liquid mass of silicate composition coming from the Earth's core erupts out of a volcano as lava.

Since this melted mass comes from the Earth's interior, its temperature is extremely high.

Lava begins to cool and solidify during its ascent to the Earth's surface.

Igneous rocks are produced by the cooling of magma when they get in touch with air.

Thre are two types of igneous rocks

plutonic rocks ⇒ in areas close to the terrestrial crust

volcanic rocks ⇒ on the surface

You can learn more about igneous rocks at

brainly.com/question/11894862

brainly.com/question/4960815

brainly.com/question/6073070

8 0

3 years ago

Which of the following states correctly describes the process of photosynthesis and cellular respiration

Korolek [52]

Answer:

B. photosynthesis and respiration keep the levels of oxygen and carbon dioxide fairly constant in the atmosphere.

Explanation:

6 0

4 years ago