How many chains are present in crambin?
a. 1
b. 2
c. 3
d. 4
a
Biology & Microbiology
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This is defined as the capacity to do work.
a. metabolism b. electrolytes c. chemical reaction d. concentration e. energy
Biology & Microbiology
Channels in membranes are best described as:
A. open spaces B. closed spaces C. protein plugs D. molecule catchers E. pores for air exchange
Biology & Microbiology
Fertilization usually occurs in the
A) ovary. B) uterine tube. C) uterus. D) endometrium (uterine lining).
Biology & Microbiology
The significance of one new and one parental strand in each new DNA molecule would be that:
1.New strands are more susceptible to mutation.
2.DNA polymerase will only work on a parental strand.
3.Having an original strand is needed to prevent errors during the replication process.
4.Strands can only pair with existing strands.