How much of the radiant energy from the sun is incorporated into organic compounds in the process of photosynthesis?

A. 50%
B. 1% or less
C. 25%
D. almost 90%


Answer: B

Biology & Microbiology

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Answer the following statements true (T) or false (F)

1. Hagfish are craniates but are not vertebrates. 2. A hagfish is a not a fish. 3. Lampreys' main body support is the notochord, not a vertebral column. 4. Sharks have cartilaginous skeletons because bone-forming ability had not yet evolved in vertebrates when they originated. 5. The swim bladder is an organ in primitive fish from which the lungs of terrestrial vertebrates developed.

Biology & Microbiology

Genes that are always "turned on" in a cell are referred to as

A) regulated genes. B) mutations. C) inducible. D) constitutive. E) catabolic.

Biology & Microbiology

Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

What will be an ideal response?

Biology & Microbiology

Answer the question using the accompanying figure. The region that determines the class of antibody is indicated by

number ____.

a. 1 b. 2 c. 3 d. 4 e. 5

Biology & Microbiology