The seed develops from the ____
a. gametophyte
b. ovary
c. ovule
d. pollen grain
e. zygote
ANSWER: c
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The lens of the eye loses _______ with age and cannot change from viewing distant objects and close objects as readily as before.
Fill in the blank(s) with the appropriate word(s).
A neutralizing antibody against a toxin is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
Scientific laws are used to describe natural events or relationships. Which scientific law explains why the gametes formed by an organism do NOT contain exactly the same alleles as alleles as the parent?
A) the law of conservation of matter B) the law of independent assortment C) the second law of thermodynamics D) the law of conservation of energy
Describe the normal function of a tumor-suppressor gene
What will be an ideal response?