C. Base
In DNA there are 4( sometimes 5) types of bases: adenine, guanine, thymine. They are the BASES
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Answer:
Domesticated animals provided food and labor for cultivation and The fur, skin, and feathers of domesticated animals could be used for trade.
Explanation:
These animals helped people work before machines were around
What?? what are you trying to say please be more specific
The answer is amino acid
the basic building block of a protein is called an amino acid. There are 20 amino acids in the proteins you eat and in the proteins within your body, and they link together to form large protein molecules.
Answer:
1) The main function of the male reproductive system is to produce and transport sperm.
2) The male reproductive cells are produced in the testes, which are contained in the scrotum.
3)These cells travel through a tube, where they are mixed with fluids from glands to form semen.
Explanation:
Sperm cells are produced in male organism in the oval structure called testis. Sperm cells contain genetic information lf these sperm cells combines with the female egg cells, it produces zygote which turns into a new baby organisms. The new organism is different from their parents because half genes comes from male and half from female.
