Biology Forums - Study Force

A gene
 
  a. is made of hormones and neurotransmitters.
  b. can also be referred to as an ovum.
  c. when combined with a second gene will produce a chromosome.
  d. provides instructions for the production of proteins.

Question 2

What was once thought to be junk DNA is now known to
 
  a. function as templates for building proteins.
  b. control phenotypes.
  c. regulate activity of other genes.
  d. determine genotypes.

Question 3

Scientists estimate that the average human cell contains about _____ genes.
 
  a. 200-250
  b. 20,000-25,000
  c. 200,000-250,000
  d. 2,000,000-250,000,000

Question 4

Which is NOT one of the genetic code bases of human DNA?
 
  a. Adenine
  b. Cytosine
  c. Guanine
  d. Phenylalanine

Question 5

Mitosis is to meiosis as
 
  a. egg is to sperm.
  b. doubling is to halving.
  c. chromosomes are to genes.
  d. sex cell is to normal cell.

Content hidden