Who was NOT involved in working out the structure
of DNA?
a. Avery
b. Watson
c. Wilkins
d. Franklin
e. Chargaff
Answer: a
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The monomer subunit of immunoglobulin molecules has all of the following except
A. a variable and constant region on each polypeptide chain. B. disulfide bonds between polypeptide chains. C. four antigen binding sites. D. two identical heavy polypeptide chains. E. two identical light polypeptide chains.
Turtle hatchling survivorship rate is low in many turtle species due to predation. Amanda researched the predatory rate on a species of turtle eggs in the Red River. The eggs were harvested from trapped turtles and the egg's cloaca film (reproductive discharge) was either washed off or left on once gathered. Research suggests that predators use the female's cloaca scent to locate the eggs.The eggs were only handled when wearing gloves and then reburied along islands where the turtles were trapped. The nests were monitored by cameras and manually on foot and data on nest predation were recorded.Based on the experimental design, what is the independent variable?
A. Number of hatchlings B. Time eggs spent in ground C. No cloaca film on eggs D. Inducing egg laying
The gene pool for a particular population is made up of
A) all the genes that occur in the population. B) all the alleles for a certain trait in a given individual. C) all the genes for a certain trait that occur in the population. D) the sum of all the homozygous individuals in the population. E) the sum of all the heterozygous individuals in the population.
The intricate structure of a DNA molecule involves two strands of DNA running parallel to one another in the same direction
A) True B) False