Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get

Exactly three correct answers

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#Question id: 6972

#Unit 5. Developmental Biology

Sodium ions influx and passive water movement result in fluid-filled blastocoel in __________embryos.

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#Question id: 6974

#Unit 5. Developmental Biology

Where are the stem cells that renew the epithelium of the gut found?

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#Question id: 6975

#Unit 5. Developmental Biology

Which one of the following genes was NOT part of transcription factors used to generate induced pluripotent stem (iPS) cells from mouse skin fibroblasts?

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#Question id: 6977

#Unit 5. Developmental Biology

Cartilage (bone-forming tissue) and connective tissue of the vertebrate limb form from:

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#Question id: 6979

#Unit 5. Developmental Biology

The muscle-forming cells of the vertebrate limb come from:

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#Question id: 6980

#Unit 5. Developmental Biology

Teeth form from