Semiconservative DNA replication refers to the fact that _____

1.every A will be matched up with a T on the opposite strand
2.children inherit a mix of genes from both parents
3.the amount of A nucleotides always equals the amount of T nucleotides, and C nucleotides equal G nucleotides.
4.one strand of each parent DNA helix ends up in each new molecule


4

Biology & Microbiology

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Which of the following is a unique characteristic of oysters and mussels?

a. secreting nacre around foreign particles b. having tusk shells buried in the sand c. using beak-like jaws to catch prey d. living inside multi-chambered shells

Biology & Microbiology

Of the following statements, which does not correlate a type of RNA with its function?

A. Ribosomal RNA is part of the ribosome. B. Transfer RNA functions to carry amino acids to the ribosome. C. Ribosomal RNA functions as a catalyst to bind amino acids into proteins. D. Messenger RNA carries the code used to make a protein. E. Complementary RNA reorders the amino acids to insure their correct sequence.

Biology & Microbiology

Four of the five answers listed below are parts of the central nervous system. Select the exception

a. spinal cord b. medulla c. ganglia d. cerebellum e. cerebrum

Biology & Microbiology

Refer to Figure 20-2. The type of speciation mechanism that occurred between the Poo-uli and the Apapane is most likely:


a. allopatric speciation.
b. allopolyploidy.
c. sympatric speciation.
d. punctuated equilibrium.
e. macroevolution.

Biology & Microbiology