Chemical reactions carried out by living systems depend on the ability of some organisms to capture and use atoms from nonliving sources in the environment
The specific subset of these reactions that breakdown nutrients in food can be described as _____________.
(a) metabolic.
(b) catabolic.
(c) anabolic.
(d) biosynthetic.
(b)
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Which DNA mutation might cause a change in the amino acid sequence of the encoded protein?
a. insertion of one additional nucleotide b. neutral c. a mistake by RNA polymerase during DNA replication d. addition of a chromosome e. loss of a chromosome
Respond to the following statements in reference to the five components of vertebrate blood listed below.
A. This blood component contains hemoglobin. B. Oxygen is transported throughout the body by this blood component. C. This stimulates red blood cell production by bone marrow. D. This blood component engulfs bacteria and cellular debris. E. This blood component helps to transport steroid hormones.
Which country currently has the largest ecological footprint?
A. Kuwait B. United States C. China D. India E. Saudi Arabia
In every physical or chemical change, energy cannot be created nor destroyed. This is the ________ law of thermodynamics.
Fill in the blank(s) with the appropriate word(s).