In humans, during which stage of development is the body plan set in place and organs begin to form?
A. Zygote
B. Blastula
C. Amniote
D. Fetus
E. Embryo
Answer: E
Biology & Microbiology
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What percent of plants are polyploids?
a. 20 b. 35 c. 50 d. 70 e. 90
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Light-harvesting pigments in the chloroplast include chlorophyll and the yellowish accessory pigments called ________
Fill in the blank(s) with correct word
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During photosynthesis, plants convert light energy to chemical energy. This is an example of
A) increasing entropy. B) a spontaneous reaction. C) the second law of thermodynamics. D) chemical equilibrium. E) the first law of thermodynamics.
Biology & Microbiology
A single muscle cell is referred to as a _____.
A. myofibril B. muscle fiber C. muscle neurons D. sarcolemma E. sarcomere
Biology & Microbiology