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lord [1]
3 years ago
7

Some of your DNA may not code for any protein and has no known function in gene regulation; it is sometimes referred to as "junk

" DNA. How do nucleotide sequences of "junk DNA" evolve?
Biology
1 answer:
sleet_krkn [62]3 years ago
6 0

Answer: They evolve through genetic drift.

Explanation: <u>Junk DNA refers to noncoding sections of a genome</u>. It consists of repeated segments scattered randomly throughout the genome generated through transposition or movement of sections of DNA to different positions in the genome.

Genetic drift is the change in the frequency of an allele in a population due to random sampling of organisms. This process is caused by spontaneous mutations and may cause the alleles to disappear completely and thereby reduce genetic variation. <u>Many of these genetic alterations are in regions of "junk DNA"</u>

<u />

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valkas [14]

Answer:

Following the answers are given below:-

Explanation:

(a) Plants of the same type that are grown and grown at a large-scale spot are referred to as crops. They are mostly cultivated for useful products.

(b) The very first step in the growth of plants is soil time to prepare to easy way to help water infiltration, appropriate oxygenation, and soil microbial economic expansion. Soil program includes the softening and attempting to turn of plant roots through all the plow procedure. The next step in growing crops is the collection of safe crops that is performed for some time by placing the seed in a water-filled flask.

(c) Infected seeds are lighter and hollow in strength and therefore rise at the top of the atmosphere. The good seeds calm down a bit at the edges, becoming heavier, which is used for sowing.

(d) Sunlight, water, and nutrients are essential requirements for seed germination and seedling growth. Seed seeding to the right depth and adequate spacing among seeds and seedlings confirm that these criteria are fulfilled.

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(f) individuals are used for producing plant manure.

(g) A combination of calcium acid phosphate and calcium sulfate formed by processing sulfuric phosphate stone: used primarily as a phosphate.

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4 0
3 years ago
Hon placed aquatic plants in several test tubes that were filled with water. Then, he placed half of the test tubes in a dark cl
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Answer:

D

Explanation:

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Answer:

Food refers to any nutritious substance whereas diet refers to the food eaten by organisms daily.

2,110 calories.

Explanation:

1. Food refers to any nutritious substance that an organisms eat in order to survive and maintain growth whereas diet refers to the sum of food that is consumed by an organism.

2. Malnutrition refers to a condition that occurs from eating a diet which does not supply a healthy amount of nutrients to our body whereas hunger refers to a feeling of discomfort that is caused by lack of food.

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