The folding inward of the plasma membrane of an ancestral prokaryote likely evolved into ____
a. the Golgi apparatus
b. protists
c. DNA
d. the nucleus
e. mitochondria
ANSWER: d
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A green colony with a black center is isolated on HE agar from a stool specimen. It is most likely which organism?
a. E. coli b. Salmonella spp. c. Shigella spp. d. K. pneumoniae
Can mutation rates evolve in laboratory experiments? Briefly describe an experiment that researchers performed to investigate this, and state whether the mutation rate did evolve, and if so, whether it evolved to become higher or lower
What will be an ideal response?
In forensics, the laws in the United States and elsewhere allow the establishment of databases of PCR amplification of short tandem repeats (STRs) of the Y chromosome
Which of these statements would provide an appropriate basis for making such databases divided by ethnicity? A) Different heritage groups have different levels of such polymorphisms. B) It would be easier to evaluate suspects of different ethnicities. C) It would show detectives which ethnic category they should be looking for. D) Most crimes of certain types are found among certain groups. E) Y polymorphisms increase with the probability of criminal behavior.
Which of the following are produced during the Calvin cycle?
A) glucose, ADP, NADP+ B) glucose, ADP, NADP+, CO2 C) ATP, NADPH, O2 D) ATP, NADPH, CO2