Secondary woody growth is characteristic of:
A) monocots. B) both monocots and dicots.
C) non-flowering seed plants. D) dicots.
Answer: D
Biology & Microbiology
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In mammals, four isomers of the glycolytic enzyme ________ have increased expression in tumor cells.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Four of these statements are true about mitochondria. Which one is not true?
a. They have DNA. b. Their DNA can experience mutations. c. In animals, the mitochondria come from the mother. d. They undergo genetic recombination during fertilization. e. Their DNA can be used as molecular clock.
Biology & Microbiology
Refer to the accompanying figure. The amnion is identified by number:
a. 1.
b. 2.
c. 3.
d. 4.
e. 5.
Biology & Microbiology
RNAs that can act as enzymes are called ________
A) ribozymes B) ATPs C) lysosomes D) prokaryotes
Biology & Microbiology