What are male secondary sex characteristics in humans? Check all that apply.
_____ increase in muscle mass
_____ increase in facial hair
_____ decrease in body hair
_____ decrease in testosterone levels
______ deepening of voice
__X__ increase in muscle mass
__X__ increase in facial hair
_____ decrease in body hair
_____ decrease in testosterone levels
__X__ deepening of voice
You might also like to view...
Methylated CpG sites are rarely observed in CpG islands near active genes
A. true B. false
Using polyethylene glycol, a cancer cell and a normal cell are fused. The resulting hybrid behaves like a normal cell. The best reason for this observation is the
A) recombination between cancer and normal chromosomes. B) removal of environmental triggers. C) presence of tumor suppressor genes and gene products. D) exposure to polyethylene glycol. E) both choices A and C
What is the advantage of having different forms of hemoglobin?
A) Multiple forms allows for speciation. B) The multiple forms all have the same function so that one can be mutated without affecting the individual. C) There is no advantage because the forms arose by random chance. D) The different forms are adapted to most efficiently carry oxygen in different stages of development. E) The different forms are adapted to most efficiently carry oxygen in different climates.
Osteoporosis may result if the activity of osteoclasts outstrips the activity of osteoblasts
Indicate whether the statement is true or false