For a human baby to be born a boy he must receive

a. an X chromosome from the father.

b. a Y chromosome from the mother.

c. a Y chromosome from the father.

d. both an X and a Y chromosome from the father.

Why does the flow of energy through the biosphere depends on the cycling of nutrients.

17. For a virus, what advantages and disadvantages does the lytic lifecycle have compared with the lysogenic lifecycle? A.

What patterns are observed in the organization and distribution of matter in the universe

Approximately how many more Calories are there in 2 slices of bacon than there are in 3 slices of roasted turkey? Why is there a difference?

Which autonomic nerve innervates the urinary bladder, uterus, and external genitalia?

What does it mean if a solution is "positive" for simple sugars?

Overtime, why does natural selection continue to work?

All of the following involve molecular biology techniques except ligating DNA fragments together. using a DNA polymerase to copy DNA via PCR. creation of Okazaki fragments. using restriction enzymes to cut specific sequences of DNA.

Why is dna an important macromolecule

Why / how does dna become more compact