On the accompanying figure, identify the point that indicates the carrying capacity for this population
a. A
b. B
c. C
d. D
e. Cannot be determined from this graph.
d
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The H substance is needed for the proper phenotypic expression of the A, B, and AB blood types in the ABO blood typing system in humans. Individuals who are recessive for the H substance (hh) will have a type O phenotype, even if they have the A and/or B alleles. Two individuals, each with type AB blood and heterozygous at the H locus have children. What is the probability they will have a child who is phenotypically type O?
A. No chance B. 100% C. 3/16 D. 4/16 E. 6/16
Which of the following describes most
accurately the process of DNA cloning?
a. set of laboratory procedures that consist of cutting a segment of DNA with restriction enzymes b. set of laboratory procedures that consist of isolation of a DNA fragment from a living organism and insertion of it into a plasmid c. set of laboratory procedures that uses living cells to make many identical copies of a DNA fragment d. set of laboratory procedures by which a DNA fragment is transferred from a living organism to a SNP chip e. the manipulation of DNA fragments in a laboratory using modern techniques of molecular biology
The smooth endoplasmic reticulum inactivates certain drugs and harmful by-products of metabolism in
which organ? a. the liver b. the pancreas c. the spleen d. the kidneys e. skeletal muscle
Demographic studies include all of the following except what?
A. sex ratio B. age structure C. growth rates D. measurements of interspecific competition E. mortality and survivorship curves