Rhodophyta consist of 4,000 species of ____algae
a. brown
b. red
c. golden
d. green
e. blue-green
ANSWER: b
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________ is a sterol associated with fungal cell membranes.
Fill in the blank(s) with the appropriate word(s).
Answer the question using the accompanying graph. Which portion of the graph shows the activation energy in the
presence of enzyme?
a. A b. B c. C d. W + X e. Y + Z
Which of the following is NOT true about
asexual reproduction?
a. offspring of asexual reproduction are genetically the same as their parent b. no mammals are known to reproduce asexually c. many invertebrates reproduce asexually d. asexual reproduction is advantageous in changing environments e. all of these are true about asexual reproduction
What is NOT true regarding the use of yeast artificial chromosomes (YACs) for cloning?
a. They are circular vectors. b. Large fragments of DNA can be inserted into them. c. They have features to allow them to replicate and segregate like normal eukaryotic chromosomes. d. They contain a gene for selection.