In a normal cell, cell death typically occurs in which phase of the cell cycle?

A) G1
B) S
C) G2
D) M
E) all of the above


A) G1

Biology & Microbiology

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Homoplasies are useful characters for phylogenetic analyses

a. True b. False

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If a disorder is ___________, then one of the parents must have the disorder to pass it on to their offspring.

Fill in the blank(s) with the appropriate word(s).

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Many factors bind around the core promoter to form the eukaryotic initiation complex, but the most important one is ________, which directly binds the TATA box.

A. TFIIH B. TFIID C. TFIIE D. TAF E. TFIIF F. TFIIA G. TFIIB

Biology & Microbiology

What is the function of troponin in muscle contraction?

A. Troponin slides past myosin causing muscle shortening. B. Troponin forms the cross-bridges between actin and myosin. C. Troponin moves tropomyosin from actin so that the actin can bind to myosin. D. Troponin has no function in muscle contraction.

Biology & Microbiology