The effectiveness of all of the following
methods of contraception is greater than 99%
except for
a. the birth control pill.
b. hormone implants.
c. condoms.
d. tubal ligation.
e. there are no exceptions- all of these
methods are greater than 99% effective
C
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What do you know about steroid receptors? What other information is related to the question?
What will be an ideal response?
Positional cloning
A) seeks regions of the genome shared by the members of large families who have the same Mendelian disorder. B) scans and then sequences the human genome chromosome by chromosome, in size order. C) determines the sequence of protein-encoding genes on a chromosome. D) identifies expressed sequence tags in genes of interest.
What are the advantages of C4 and CAM
photosynthesis compared to C3 photosynthesis?
a. high sugar production can be maintained on hot, dry days b. water is not necessary for the lightdependent reactions c. carbon dioxide is not needed for the lightindependent reactions d. less sugar is necessary for metabolic activities e. more than one of these is an advantage of C4 and CAM photosynthesis
The diagram below shows the human chromosomes in a diploid cell. Chromosome #1 appears to have which of the following locations for its centromere?
a) acrocentric b) metacentric c) submetacentric d) telocentric