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Valentin [98]
3 years ago
7

Which term describes a pure substance that is made up of only one type of atom?

Biology
1 answer:
crimeas [40]3 years ago
5 0

your answer is matter.

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If the frequency of an allele is 0.75, how many copies of this allele should be in a population of 300 diploid individuals?
Ray Of Light [21]

I have provided the options below:

a. 150

b. 225

c. 300

d. 450

e. 75

Answer:

150

Explanation:

Hardy-Weinberg law states, the allelic frequencies of a gene that is, q and p follow the relationship p^2+q^2+2pq = 1, if the population is in equilibrium.

Therefore p^2+q^2+2pq = 1, can be used to calculate the percentage of the allelic frequencies i.e. p^2 and q^2

Allelic frequency = 0.75.

Therefore, the percentage of the allele in the population would be given by

0.75^2 = 0.5625 = 56%.

And the total number of individuals with this allele in the population:

number of individuals = 56×300÷100

= 168 or

150 nearest figure.

8 0
4 years ago
Provides energy in the form of atp endoplasmic reticulum (er) for a storage reservoir and transport channel within the cell?
almond37 [142]
<span>This form of providing energy for the storage and transport within the cell is called as Mitochondria. The energy production is done threw respiration and help regulate the cellular metabolism. Mitochondria are organelle that is present in the cytoplasm, not nucleus. Exercising your body can boost the density of mitochondria.</span>
6 0
4 years ago
I NEED HELP WITH ALL QUESTOONS PLEASE
Ulleksa [173]

Answer:

3) B

4) A

5) B

Explanation:

3) Sun heats up the air of a particular region due to which the air heated rises up ( as hot air is lighter than cool air ). When the hot sir rises , the cool air from other region comes there & like this wind blow.

4) A toaster uses electricity to produce heat in order to toast bread  So here the electric energy is converted to thermal energy.

5) Windmills , Hydroelectricity dams & Ethanol plants have turbines & turbines do have a generator which is to be rotated . When the generator is rotated , electricity is generated.

3 0
3 years ago
An earthquake causes the size of a deer population to drop rapidly over a short period. allele frequencies shift. what mechanism
Maru [420]
Genetic drift or bottleneck effect
4 0
3 years ago
1. How is the property of compressibility of gases used in everyday life? Give an example.
larisa86 [58]

Answer:

Compressibility is reducing the volume by increasing the pressure of a substance like liquid or gas. It is a physical characteristic of a substance especially gases.

Everyday life examples:

(1) LPG - These gas cylinders have compressed natural gas to liquid gas to store and use as fuels.

(2) Tubes of bicycles are filled by the pumps that compress the air.

(3) Carbonated soda filled with the help of compressing the carbon dioxide into the bottle.

4) oxygen bottles in medical institutes for helping the patient to breathe.

6 0
3 years ago
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