Endergonic reactions ____
a. result in products with less energy than the reactants
b. require a net input of energy
c. occur in the breakdown of glucose
d. are used by cells to provide energy for biological reactions
e. break down large molecules into smaller molecules
ANSWER: b
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Which of the following is false about animals?
a. they are multicellular. b. they are heterotrophic. c. they are autotrophs. d. they lack cell walls. e. most can actively move.
Rock pocket mice of the Sonoran desert
a. are nocturnal feeders. b. live in both tawny-colored granite outcroppings and dark basalt from old lava flows. c. are camouflaged from predators by their fur color. d. that are dark-colored have a DNA sequence coding for fur color that differs from that of their tawny relatives. e. fit all of these descriptions.
Below is a sequence of bases associated with the template DNA strand: TAC CCC GAG CTT
a. Identify the sequence of bases in the mRNA resulting from the transcription of the above DNA sequence. b. Identify the sequence of bases in the tRNA anticodon that will bind with the first codon on the mRNA identified above.
Three cells with generation times of 60 minutes are inoculated into a culture medium. How many cells are there after 5 hours?
A) 900 B) 180 C) 96 D) 32 E) 15