Which of the following is characteristic of grasslands, but not savannas?

a. wide temperature range

b. droughts and fires

c. wet and dry seasons

Which one part of the adult human body in which stem cells are relatively common

How do the chromosomes in a sex cell differ from those in a body cell

Describe what is an "Autosomal dominant genetic disorder" and give an example.

Which of the following is an effect of a decrease in the surface-area-to-volume ratio of a cell? a. genes mutate, resulting in a cancerous cell, b. waste removal becomes slower, c. the cell cycle speeds up.

What is one environmental factor that could cause a base sequence in dna to be changed to a different base sequence?

18. Where do the light-dependent reactions take place? . in the stroma b. outside the chloroplasts c. in the thylakoid membranes d. only in chlorophyll molecules

Why did Crocodiles survive the K/T extinction?

The rate at which materials enter and leave thru the cell membrane depends on the cells • A. volume • B. weight • C. mass • D. surface area

How much time passed between the appearance of the first prokaryotic cells and the emergence of multicellular organisms?

Inhibin secreted by granulosa cells selectively inhibits secretion of FSH by the pituitary a. True b. False