As the number of offspring produced increases, the probability of their survival decreases
Indicate whether the statement is true or false
FALSE
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In island biogeography, larger islands support ______ species than smaller islands.
A. more B. fewer C. larger D. stranger E. smaller
Normal bacterial inhabitants of the human body
a. are naturally resistant to antibiotics. b. are able to out-compete some invading pathogens and thus are one of the body's initial defense mechanisms. c. can be transformed into pathogenic forms if a person's resistance to disease is low. d. are unable to survive the human body's defense mechanisms. e. are able to out-compete some invading pathogens and thus are part of the body's innate immunity
Euglenoids
a. reproduce faster than their chloroplasts, so that colorless euglenoids result. b. may become a serious parasitic infection in some small children. c. that are photosynthetic have a unique eyespot. d. reproduce by conjugation. e. are parasitic on plant and animal hosts.
In bacterial ribosomes, a small 30S subunit and a large 50S subunit come together to produce the functional 70S ribosome. Why isn't it an 80S ribosome?
A) The ribosome will become an 80S complex when the protein it is producing starts to be formed. B) Additional factors are required for protein synthesis. When these are put with the ribosome, it will become an 80S ribosome complex. C) S stands for Svedberg units, which indicates the relative rate of sedimentation due to size, weight, and shape of a particle. The numbers aren't strictly additive. D) A portion of the larger 50S subunit is detached as the ribosomes come together,making the final complex a 70S ribosome instead of an 80S ribosome.