Answer:
A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base. The bases used in DNA are adenine (A), cytosine (C), guanine (G), and thymine (T).
Explanation:
Answer:
A) releasing carbon dioxide into the air
Density-dependent limiting factors cause a population's per capita growth rate to change—typically, to drop—with increasing population density
For most genes on the human X chromosome, 100% of XY males with mutant allele on the X chromosome will express the mutant phenotype.
50 % of human sperm cells that carry an X chromosome. There is 50 % chances that daughter of any male will not carry the gene and can't pass it on and 50 % chance that sons do not have the gene and it will be healthy. 50% chance that son have inherited the gene and express the trait or disorder.
If a Egg is fertilizes by sperm with X chromosome then zygote will be a female ' XX'. If the Egg is fertilizes by sperm with Y chromosome , then zygote will be male 'XY'.
To learn more about human sperm cells here
brainly.com/question/276208
#SPJ4
The correct answer is <span>b. a mother holding a baby.
Babies could be fragile. Thus, it will require an effort when one is holding a baby in their arms. This is because they should be strong and firm at the same time they should be soft and comfortable for the baby. Also, a mother's touch is different. So the best work done in arms is </span><span>b. a mother holding a baby. I hope that this answer helped you. </span>
