Much of a plant's body is made of ground tissue. What function does the ground tissue in a stem provide?
A) absorption
B) protection
C) reproduction
D) support
Ans: D) support
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A principle advantage of sexual reproduction is that it ________
A) reduces linkage disequilibrium B) helps to recreate genotypes that are either rare or missing in a population, but are favored by selection C) regenerates genotypes in the evolutionary "arms race" between parasites and hosts D) All of the above.
Prokaryotic cells are smaller than eukaryotic cells. What is a plausible explanation?
A. Prokaryotes lack the genetic material needed for protein synthesis. B. Prokaryotes have more diverse energy sources. C. Eukaryotes have compartmentalization, which allows for specialization. D. Prokaryotic cell walls limit their cell growth. E. Eukaryotes are immobile allowing them to grow larger.
The individual polypeptide chains in a multi-subunit protein each have their own primary, secondary, and tertiary structure
a. true b. false
Transport of water, minerals, and nutrients
A) tracheids and phloem B) secondary compounds C) cuticle D) alternation of generations