The law of segregation states that:
a) the number of chromosomes in a cell is always divisible by 2.
b) Eggs and sperm separate before fertilization occurs.
c) gametes cannot be separate and equal.
d) each of two alleles for a given trait segregate into different gametes.
e) an allele on one chromosome will always segregate from an allele on a different chromosome.
Ans: d) each of two alleles for a given trait segregate into different gametes.
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What might be a reason for the accumulation of improperly folded protein complexes in the bacterial cell cytoplasm following translation?
A. The cell is synthesizing proteins too rapidly. B. Polysomes are forming on the mRNA. C. A problem exists with the functioning of molecular chaperones. D. The proteins are being transcribed but not translated.
The principal mode of transmission of rabies is through
A. blood. B. fomites. C. saliva. D. pus.
Human growth hormone (HGH) can be used to treat patients with pituitary dwarfism. Today, parents are getting HGH injections for their children to provide an advantage in sports or to enhance their appearance by making them taller
Based on what you know about the process of bone lengthening, what is the most appropriate age group to begin such injections? A) 3- to 6-year-olds B) 7- to 10-year-olds C) 18- to 21-year-olds D) 21- to 30-year-olds
Imagine that you have been transported light years away to another planet with water-filled oceans. This distant planet has a barometric pressure of 1,000 mmHg at sea level and air that contains 15 percent O2. Would you take in much more oxygen, much less oxygen, or about the same amount of oxygen per breath on this planet as you would on Earth?
A. About the same amount of oxygen as on Earth B. Much more oxygen on the distant planet C. Much less oxygen on the distant planet