Scientific discoveries have provided evidence that the ________ systems are involved in behavior.

A. respiratory and digestive
B. endocrine and nervous
C. excretory and circulatory
D. digestive and reproductive


Answer: B

Biology & Microbiology

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Which of the following is a correct difference between a gene (genomic) library and a gene clone? A gene (genomic) library _____

A) contains many different DNA sequences; a gene clone contains one type of DNA sequence B) contains one type of cloned DNA sequence; a gene clone contains many different DNA sequences C) is a much longer DNA sequence than a gene clone D) is a much shorter DNA sequence than a gene clone E) is sequence information stored in a computerized database; a gene clone is an actual sequence of DNA

Biology & Microbiology

Under standard conditions, ATP can release for every molecule converted to ADP

A. less than 1 cal of energy. B. 1 to 2 cal of energy. C. 7.3 Kcal of energy. D. different amounts of energy depending on the cell.

Biology & Microbiology

Which of the following occur during initiation?

A. A tRNA containing the methionine codon and a ribosomal unit converge on an mRNA. B. A tRNA containing a UAA sequence hybridizes to a complementary mRNA sequence. C. Peptide bonds form between an amino acid and mRNA. D. Peptide bonds from between a tRNA an mRNA E. A tRNA containing a lysine codon attaches to an mRNA.

Biology & Microbiology

An enzyme that starts the Calvin cycle reactions by catalyzing attachment of the carbon atom from CO2 to RuBP.

What will be an ideal response?

Biology & Microbiology