In cells, __________ are proteins that are needed to lower the amount of energy required to start chemical reactions.
Fill in the blank(s) with the appropriate word(s).
Ans: Enzymes.
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One of the most critical adaptations of the reptiles in relation to their life on land is the evolution of the
A. amniotic egg. B. allantois egg. C. chorionic egg. D. diploid egg. E. swim bladder.
Genetic recombination is possible because of ________ during or after meiosis.
A. independent assortment B. fertilization with a nonrelated gamete C. crossing over D. All of these are correct.
You are a naturalist traveling with a group of explorers in the higher elevations of a jungle. You see an unfamiliar-looking, tall, tree-like plant. It is producing seeds that are attached directly to a stem, but there appears to be no evidence of
flowers associated with the seeds. To which group of plants does the tree belong? A) hornworts B) ferns C) gymnosperms D) angiosperms
The suffix -oma means _____
Fill in the blank(s) with the appropriate word(s).