The hormone that controls the milk letdown reflex is:
A) estrogen
B) luteinizing hormone
C) oxytocin
D) follicle-stimulating hormone
Answer: C) oxytocin
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Under standard conditions, ATP can release for every molecule converted to ADP
A. less than 1 cal of energy. B. 1 to 2 cal of energy. C. 7.3 Kcal of energy. D. different amounts of energy depending on the cell.
The whole-genome shotgun approach (WGS) was first used on which eukaryotic model organism?
What will be an ideal response?
The range of phenotypic possibilities that can develop from a certain dog genotype under different environmental
conditions is called the:a. epistatic interaction. b. norm of reaction. c. nurture limit. d. genotype range. e. maximum phenotype.
Diatoms have a special problem
A. because they must await a chemical signal from a fish before they can become mobile and search for mating partners B. because their heavy siliceous shells impede conjugation C. because their + and - mating strains are nonmotile and have to be dispersed by currents D. because their two halves fit like the lid and body of a pillbox and on repeated cell divisions the half that is overlapped gets progressively smaller E. because the gametes experience difficulty in exiting the overlapping halves of their siliceous shells