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faltersainse [42]
3 years ago
15

Why might a cell make lots of rRNA but only one copy of DNA?​

Biology
1 answer:
marin [14]3 years ago
8 0
RRNA is used to create a ribosome where translation occurs. So,more rRNA mean more translated proteins. But the cell need one Copy of DNA that contain the whole number of genes that the cell need to live or to make mRNA to make proteins.
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only about 10 percent of the energy in a trophic level is available to organisms at the next trophic level
Digiron [165]
True, each trophic level gives only 10% of their energy/calories to the next level.

4 0
3 years ago
Individuals in a population of purple people earters are polymorphic at a single locus that leads to variation in purple people
Allisa [31]

Answer:

The correct answer is - overdominance.

Explanation:

In the given question, genotype Pp is a heterozygote condition that has a 54% survival rate or fitness thus these individual people get more chance of mating and increase in number as compared to the other two conditions of PP or pp traits where PP has 45% survivability, less than heterozygous condition and more than pp that has only 4% rate.

It results in a normalizing selection model of natural selection as a moderate trait, that is heterozygote, is selected. Thus, the selection of overdominance which means heterozygote condition produces a better phenotype than PP or pp parents is heterosis.

7 0
3 years ago
2. What does polar mean?
irina1246 [14]

Hello!

<h3>⭐What does polar mean? </h3>

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  • D. An unequal sharing of electrons

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<em><u>Chemical polarity or only polar is a property of molecules that represents the separation of electric charges in the same molecule (see also electric dipole). ...</u></em>

I hope I have helped you :D

greetings

atte:

<u>Angela</u>

❤️

3 0
3 years ago
Which of the following examples results from disruptive selection? a. The birth weight at which newborn humans are most likely t
Temka [501]

Letter D is the correct answer.

Disruptive selection, also known as diversifying selection, is a type of natural selection that drives a population apart. This type of selection is based on the variation of a trait in a population. For instance, Garter snakes that have a different coloration pattern behave in different manners when threatened.  

3 0
4 years ago
If you compared the skeleton of an adult horse to that of a newborn foal, what would you be studying?
kirza4 [7]

Answer:

anatomy

Explanation:

fr fr fr fr fr fr.fr.fr fr fr fr fr fr fr f r f r r f r r f r r f d

8 0
3 years ago
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