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il63 [147K]
3 years ago
9

What is the role of deoxyribonucleic acid (DNA) in organisms?

Biology
1 answer:
34kurt3 years ago
3 0
DNA helps to build the genetic structure of organisms. DNA tells the cells of the organism how to act and what to do. 
I hope that helped.
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. What are the main types of rural lands?​
charle [14.2K]

Answer:

Rural lands include, but are not limited to, those generally developed to lower residential densities, agricultural activities, resource extraction, timber harvesting, resource conservation, public or private recreation, or open space.

Explanation:

3 0
3 years ago
1) Describe the process of osmosis
klemol [59]
1. Osmosis is a process which occurs when there is a difference in solute concentration between two solutions separated by a semipermeable membrane.

2. Osmotic pressure is the minimum pressure which needs to be applied to a solution to prevent the inward flow of its pure solvent across a semipermeable membrane. It is also defined as the measure of the tendency of a solution to take in pure solvent by osmosis.

3. The semipermeable membrane limits the diffusion of solutes in the water.

4. In an isotonic solution, the flow of water in and out of the cell is happening at the same rate. ... Water moves into and out of cells by osmosis.

5. Osmosis is basically diffusion with water. ... The most common example of facilitated diffusion is the movement of water across a cell membrane through transmembrane proteins, which requires no energy. They are simply powered by the concentration differences of the molecules between the two sides of the cell membrane.


(Hope this helped. Have a nice day.)
3 0
3 years ago
Natural selection can lead to formation of a new species which is called?
Inessa [10]
Would this be speciation?
4 0
2 years ago
Which statements accurately describe soil? Check all that apply.
larisa [96]

Answer:

Soil condition directly affects crop growth.

and 1 2 3 and 5 on edge

Explanation:

hope this helps

8 0
2 years ago
Read 2 more answers
What kind of genetic disorder is represented in the pedigree?
Firdavs [7]

Answer:

an autosomal recessive disorder

Explanation:

Autosomal recessive disorders are inherited diseases caused by the presence of two copies (alleles) of an abnormal gene, thereby only homo-zygous recessive individuals are affected by this type of disease. In consequence, although both parents don't express the disease, they can be carriers and pass this recessive disorder to their offspring who express the disease. In this case, the pedigree shows that heterozygous parents are not affected but they are carriers of the recessive allele for this disease, thereby some offspring express the trait. The black circle (female) and the black square (male) indicate affected individuals in the pedigree chart. Since both parents are heterozygous, 1/4 (25%) of all offspring would be expected to have the autosomal recessive disorder.

7 0
2 years ago
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