The frequency of recombinant gametes is half the frequency of crossing over, and the maximum frequency of recombinant gametes is 50%.  Recombinant gamete = Half of the frequency of crossing over

50% = 100%

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#Id: 3218

#Unit 4. Cell Communication and Cell Signaling

Chemical carcinogens classified into two general categories:
1. Direct-acting carcinogens
2. Indirect-acting carcinogens

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#Id: 5812

#Unit 7. System Physiology – Animal

Zona glomerulosa cells capable of secreting significant amounts of aldosterone because they contain the enzyme aldosterone synthase

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#Id: 860

#Unit 13. Methods in Biology

The PCR consists of three defined sets of times and temperatures, termed steps

a) Denaturation at 94°C, for 0.5 min

b) Primer annealing at 55°C for 1.5 min

c) Extension at 72°C for 1 min

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#Id: 2482

#Unit 13. Methods in Biology

The polymerization of acrylamide is an example of free-radical catalysis and is initiated by the addition of ammonium persulfate and the base N,N,N′,N′-tetramethylenediamine ( TEMED).

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#Id: 5888

#Unit 3. Fundamental Processes

Incorrect base pairing leads to dramatically lower rates of nucleotide addition as a result of a catalytically unfavorable alignment of these substrates. This is an example of kinetic proofreading, in which an enzyme favors catalysis using one of several possible substrates by dramatically increasing the rate of bond formation only when the correct substrate is present.