Cytotoxic T cells bind to MHC ________ and ________ the target cell

a. I / kill
b. I / signal
c. 8 / kill
d. 8 / signal


Answer: A

Biology & Microbiology

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A plant performing photosynthesis will produce ____ and consume _____.

A. water, carbon dioxide B. oxygen, water C. carbon dioxide, oxygen D. oxygen, carbon dioxide E. carbon dioxide, water

Biology & Microbiology

Genotype Qq produces 10 offspring per year. Genotype QQ has a fitness value of 0.4 and genotype qq has a fitness value of 0.2. How many offspring does genotype qq produce each year?

A. 4 B. 1 C. 6 D. 2 E. 8

Biology & Microbiology

From the outside to the inside, which is the

correct order of tissues in a eudicot root?

a. epidermis>>cortex>>endodermis>>vascular tissue b. epidermis>>endodermis>>vascular tissue>>cortex c. endodermis>>cortex>>epidermis>>vascular tissue d. epidermis>>vascular tissue>>endodermis>>cortex e. endodermis>>epidermis>>cortex>>vascular tissue

Biology & Microbiology

These contain enzymes that digest various substances

a. mitochondria b. Golgi bodies c. nuclei d. ribosomes e. lysosomes

Biology & Microbiology