When Frederick Griffith injected dead bacteria of the virulent S strain into mice, the mice

A. became ill but lived.
B. died of blood poisoning.
C. remained healthy.
D. reproduced quicker.


Answer: C

Biology & Microbiology

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A dipoid organism that you are studying has 17 chromosomes. How many total chromosomes are found in a somatic cell from this organism? A sperm cell? An egg cell?

A. 17; 16; 16 B. 17; 17; 17 C. 34; 17; 34 D. 34; 17; 17

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Nucleic acids are long chains of ____

a. amino acids b. lipids c. nucleotides d. sugars e. peptides

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Transfusion of the wrong blood type can cause

A. massive hemolysis of the donor RBCs. B. recipient antibody activation of the complement cascade to attack the RBCs. C. systemic shock and kidney failure. D. fever and anemia. E. All of the choices are correct.

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Homologous chromosomes migrate to opposite poles during

A) telophase II and cytokinesis. B) prophase II. C) anaphase I. D) metaphase I. E) metaphase II

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