Which of the following gametes are produced in grater proportional by an individual of genotype Ab/aB if the genes are in the same chromosome with some recombination between them?

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#Question id: 1607

#I Life Science/ Life Sciences Group – I-V

Which of the following does NOT protect body surfaces?

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#Question id: 1563

#I Life Science/ Life Sciences Group – I-V

A nonfunctional CD4 protein on a helper T cell would result in the helper T cell being unable to ________.

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#Question id: 18868

#SCPH01 Biochemistry

Prior to staining, which of the following is employed as a fixative in light microscopy?

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#Question id: 79

#SCPH01 Biochemistry

The structure of D-arabinose is shown below. How many stereoisomers are possible for this molecule?

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#Question id: 8696

#SCPH06 I Botany

There is some evidence that reptiles called cynodonts may have had whisker-like hairs around their mouths. If true, then hair is a shared ________.