Which of the following is an adaptation to increase the surface area of a part of a cell that is involved in cellular respiration?
A) the cristae of a mitochondrion
B) the outer membrane of a chloroplast
C) the grana of a chloroplast
D) the endoplasmic reticulum
A
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Suppose that the suprachiasmatic nucleus within the brain is damaged. Which of the following is the most likely to occur?
a. The organism would not be able to control its circadian rhythm. b. The organism would die. c. The organism would not experience any change. d. The organism would not be able to move.
Flamingo beaks are upside down compared to other birds, forcing them to feed by putting their heads upside down in the water. The beak of a flamingo provides an example of what?
A. an imperfectly designed structure B. a homologous structure C. a vestigial structure D. a structure that follows a common embryonic developmental pattern E. a convergent structure
Refer to Table 8.2. If a frameshift mutation occurred in the sequence of bases shown below, what would be the sequence of amino acids coded for?
A) leucine-arginine-lysine-alanine B) asparagine-arginine-lysine-alanine C) asparagine-cysteine-valine-serine D) Translation would stop at the first codon. E) The answer cannot be determined based on the information provided.
It used to be thought that streptococci were the primary bacteria in dental plaque. What do we now know about the composition of dental plaque and how do we know it?
What will be an idial response.