Which of the following is correct about the DNA molecules that result from DNA replication?
a. one DNA molecule has both parent strands; the other DNA molecule has two new strands.
b. both DNA molecules have two new strands each; the parent strands are discarded.
c. one DNA molecule has a parent strand and a new strand; the other DNA molecule has two new strands
d. both DNA molecules have one new strand and one old strand
e. the bottom parts of each new DNA molecule are new strands and the top parts of each new DNA molecule are old strands
D
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Goiter is a disease characterized by an enlarged thyroid gland and results from (check all that apply)
_____ iodine deficiency in the diet _____ reduced levels of T3 in the blood _____ reduced levels of T4 in the blood _____ excessive thyroid-stimulating hormone production _____ excessive parathyroid hormone production
If a chromosome in one of your bone cells becomes mutated, you will not pass this mutation on to your children because
A. germ cells cannot undergo mitosis. B. germ cells cannot undergo meiosis. C. somatic cells cannot undergo meiosis. D. somatic cells cannot undergo mitosis. E. germ cells neither undergo mitosis nor meiosis.
Low-growing, hardy plants of the ____________________occur at high latitudes, where there is a layer of
____________________. Fill in the blank(s) with the appropriate word(s).
The vertebrate skeleton is made up of ________, ligaments, and bones
Fill in the blank(s) with correct word