In most ferns, roots and leaves sprout from ____
a. fronds
b. rhizomes
c. sporangia
d. sori
e. gametophytes
ANSWER: b
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Deserts across the globe are typically characterized by low rainfall and plants and animals that
are well adapted to hot and dry conditions. As such, deserts are an example of a __________.
a. life zone b. habitat c. niche d. limiting resource
What is the purpose of prokaryotic DNA replication?
a. fertilization b. conjugation c. to make an extra copy of the chromosome prior to binary fission d. to polymerize additional genetic material to add to genetic variation
The antibody molecule consists of how many
polypeptide chains, including light and heavy chains? a. 2 b. 3 c. 4 d. 5 e. 6
________ proteins promote depolymerization of existing microtubules at the ends
Fill in the blank with correct word.