The shaded square in the pedigree represents ____________.
a) a male carrier
b) a female carrier
c) a normal female
d) in affected male
Answer: d) in affected male
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A cell type that interacts with both the humoral and cell-mediated immune pathways is a _____
A) plasma cell B) cytotoxic T cell C) natural killer cell D) CD8 cell E) helper T cell
Which of the following describes the nutritional strategy of animals?
a. autotrophy, as either absorbing other life forms or by living in a parasitic association with them b. heterotrophy, as either absorbing other life forms or by living in a symbiotic association with them c. autotrophy, as either eating other life forms or by living in a symbiotic association with them d. heterotrophy, as either eating other life forms or by living in a parasitic association with them
Which is NOT a correct association?
A) S stage-DNA synthesis B) M stage-mitosis and cytokinesis C) interphase-shortest stage of the cell cycle D) G1 stage-cell grows in size and cell organelles increase in number E) G2 stage-metabolic preparation for mitosis
Deforestation affects the climate in what way?
A) Decreasing the habitat space for forest-dwelling animals B) Decreasing the amount of wood available for building shelter C) Increasing the levels of carbon dioxide D) Increasing the levels of oxygen E) Decreasing global temperature