Which combination of traits is not found in Chordata?
a. fish with skulls but lacking vertebrae
b. fish with jaws and lungs
c. animals with four limbs but no skulls
d. animals with vertebrae that produce milk
c. animals with four limbs but no skulls
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Deep-sea fish with large mouths use this adaptation to:
a. take chucks of meat off of larger predators probing the deep ocean in search of food. b. threaten other competitors. c. swallow almost anything that comes their way. d. store their large teeth. e. filter-feed on plankton.
The units of inheritance are
a. heredities. b. evolutions. c. twins. d. metabolic activities. e. genes.
When r = 0.00001, the population size:a
will increase. b. will decrease. c. is stable. d. may increase or decrease, depending on K. e. may increase or decrease, depending on i
Proteins can assemble to form large complexes that work coordinately, like moving parts inside a single machine
Which of the following steps in modulating the activity of a complex protein machine is least likely to be directly affected by ATP or GTP hydrolysis? (a) translation of protein components (b) conformational change of protein components (c) complex assembly (d) complex disassembly