Which of the following paris of functional groups characterizes the structure of an amino acid?
A. -N-H-H and -C=O-R
B. -C=O-Oh and -N-H-H
C. -C=O-OH and -C=O-R
D. -OH and -N-H-H
E. -C-O-O-H and -N-H-H
Ans: B. -C=O-Oh and -N-H-H
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Which of the following explains the difference between VNTRs and RFLPs?
A. In VNTRs, we are looking at sequence differences in genes; in RFLPs we are looking at sequence differences in noncoding DNA. B. In VNTRs, we are looking at sequence differences in noncoding DNA; in RFLPs we are looking at sequence differences in genes. C. In VNTRs, we are looking at the number of times a sequence is repeated; in RFLPs we are looking at size differences resulting from different restriction sites being present. D. In VNTRs, we are looking at size differences resulting from different restriction sites being present; in RFLPs, we are looking at the number of times a sequence is repeated.
Which statement is true?
a. Only diploid plant stages are free-living. b. All spores are clones of their parent cells. c. Most plant and fungi spores are haploid. d. Gametophytes are larger than sporophytes.
In Drosophila (fruit fly), red eyes is the wild type trait and purple eyes is a mutant version. Normal wings are wild type while curly wings is a mutant version. Which of the following genotype is correct for a homozygous red eyed, curly winged fly?
a) p+/p+ c/c b) p/p c/c c) p+/p+ c+/c d) p+/p c/c
The pituitary gland controls the hypothalamus by the production of antidiuretic hormones.
Answer the following statement true (T) or false (F)