Which process uses energy in the proton pump system?
a. proton pump
b. cation channel
c. anion cotransporter channel
Answer: a. proton pump
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Which of the following might be missed if viable counts are done on food and/or water specimens?
A. Aerobic bacteria B. Viable but nonculturable cells C. Pathogenic bacteria D. Endospores
In humans, normal skin pigmentation is influenced by a dominant gene (C), which allows pigmentation to develop
All individuals who are homozygous for the recessive allele (c) are unable to produce an enzyme needed for melanin formation and are therefore referred to as albino. Two normal parents produce an albino child. What are the chances that the next child will be an albino? What will be an ideal response?
A purebred plant that produces yellow seeds is crossed with a purebred plant that produces green seeds. The seeds of all of the offspring are yellow. Why?
A) The yellow allele is recessive to the green allele. B) All of the offspring are homozygous yellow. C) The yellow allele is dominant to the green allele. D) The alleles are codominant.
What proteins are involved in the timing of mitosis?
What will be an ideal response?