What is this desert biome composed of? Select all that apply.

1 answer:

6 0

This biome has a layer of soil that can either be sandy, gravelly, or stony, depending on the type of desert. Deserts usually get at most 50 centimeters (20 inches) of rainfall a year, and the organisms that live in deserts are adapted to this extremely dry climate. Plants in deserts have adaptations to conserve water.

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1. Why it is important to to have appropriate amounts of calcium in the body?

coldgirl [10]

Answer:

Almost all calcium in the body is stored in bones and teeth, giving them structure and hardness. Your body needs calcium for muscles to move and for nerves to carry messages between your brain and every part of your body.

Sodium-Potassium Pump

Three sodium ions bind to intracellular sites on the sodium-potassium pump.

A phosphate group is transferred to the pump via the hydrolysis of ATP.

The pump undergoes a conformational change, translocating sodium across the membrane.

5 0

2 years ago

In a certain species of plant, the allele to produce green melons (G) is dominant over the allele to produce yellow melons (g).

marishachu [46]

Answer:

4.26

Explanation:

Let the green-melon parents be Gg, then we expect the cross with the yellow-melon plant gg so as to produce 50% Gg and other 50% of gg offspring. What we observed was that 53 green and a 41 yellow. Based on the total number of 94 offspring , we expected half and a half ratios to be 47 of each color.

Observed(o) Expected(e) (o-e) $(o-e)^2$ $(o-e)^2/e$

Green-melon plant 53 47 6 36 0.766

Yellow-melon plant 41 47 -6 36 0.766

Therefore the chi-square value is 1.53 which is less than the critical value of 3.84. Therefore, the null hypothesis is accepted.

4 0

3 years ago

Like DNA, RNA contains four nitrogenous bases. Three of them are the same as those found in DNA. The one that is different is ca

densk [106]

The nitrogenous bases in DNA are adenine, guanine, thymine, and cytosine.
The nitrogenous bases in RNA are adenine, guanine, uracil, and cytosine.
So the base in RNA that is different than in DNA is uracil.

Hope this helps.

6 0

3 years ago

Two characteristics of natural wines are that they have a maximum alcohol content of 14% and are ""sparkling"" wines. Apply your

Anna007 [38]

<h2>Alcoholic Fermentation</h2>

Explanation:

Two attributes of regular wines are that they have a most maximum alcohol content of 14% and are "sparkling" wines.
In natural wines, after the ethyl alcohol and are <em>"shimmering" wines. </em>
<em>In regular wines, after the ethyl liquor fixation arrives at 14%, the liquor murders the yeast cells, making aging stop. The bubble or shimmer in wines is the collection of CO2. </em>
Yeast keep on aging sugars until they either come up short on nourishment or the liquor content gets sufficiently high to slaughter them.
The most wine yeasts, 14% is higher than they can tolerate. There are, be that as it may, yeasts that the merchants<em> guarantee can tolerate higher alcoholic rates.</em>

8 0

3 years ago

Worn away statuses mechanical or chemical weatherting

aksik [14]

The answer is mechanical weathering

7 0

3 years ago