SC.912.L.16.3.1 The process by which DNA copies itself in new cells is A. transcription B. translation C. replication D. nondisjunction

SC.912.L.16.3.2 How many bases must a gene contain to code a protein composed of 100 amino acids? A. 100 B. 200 C. 300 D. 600

Use the following table to answer The next 4 questions Amino Acid | DNA code mRNA tRNA | alanine | CGA _____ CGA | glycine | CCT _____ CCU | leucine | GAA _____ GAA | valine | CAA GUU

SC.912.L.16.5.1. The mRNA codon for glycine is A. GGA B. GGT C. AGG D. TCC

SC.912.L.16.5.2. The tRNA anticodon for valine is A. CTT B. CAA C. AAC D. GUU

SC.912.L.16.5.3. The correct mRNA sequence representing the addition of alanine and then leucine to a protein is A. UCGUUG B. GCTCTT C. TTCTGC D. GCUCUU E. CGAGAA

SC.912.L.16.4.1. A mutation that changes a piece of DNA so that its sequence reads CGACCTCAA instead of CGACCTGAA would cause A. an amino acid substitution valine instead of leucine B. an amino acid deletion C. a base pair substitution with no change in the protein D. a frameshift mutation resulting in multiple amino acid changes

SC.912.L.16.4.2 A change in the sequence of DNA called a frameshift mutation, results in A. an amino acid substitution B. an amino acid deletion C. a base pair substitution with no change in the protein D. multiple amino acid changes Figure 25.1 DNA profile data from the Smith, Stevenson, and Jones parents and the three infants.

SC.912.L.16.10.1 Which baby belongs to Mr. and Mrs. Smith? A. Baby 1 B. Baby 2 C. Baby 3 D. None of these babies belong to this couple.

SC.912.L.16.10.2 Which baby belongs to Mr. and Mrs. Stevenson? A. Baby 1 B. Baby 2 C. Baby 3 D. None of these babies belong to this couple.

SC.912.L.16.10.3Which baby belongs to Mr. and Mrs. Jones? A. Baby 1 B. Baby 2 C. Baby 3 D. None of these babies belong to this couple.

SC.912.L.16.8.1 Cancer is often the result of activation of ____ to ____ and the inactivation of ____ genes. A. oncogenes, tumor-suppressor genes, proto-oncogenes B. proto-oncogenes, oncogenes, tumor-suppressor genes C. oncogenes, proto-oncogenes, tumor-suppressor genes D. proto-suppressor genes, suppressors, oncogenes SC.912.L.16.8.2 A mutation that changes DNA so that a tumor suppressor gene is inactivated would lead to A. an amino acid substitution B. the formation of a normal protein C. abnormal cell growth D. the formation of an oncogene

SC.912.L.16.8.3 Cells that do not respond to the signals that regulate the growth of most cells are A. cancer cells

B. G0 cells C. immortal cells D. stem cells

SC.912.L.16.8.3 All of the following are agents in the environment that are associated with genetic damage EXCEPT A. oncogenes B. ultraviolet light C. carcinogens D. radon

SC.912.L.16.9 1. Choose the correct statement about the genetic code. A. includes 61 codons for amino acids and 3 stop codons B. almost universal; exactly the same in most genetic systems C. three bases per codon D. some amino acids are coded by multiple codons E. all of the above

SC.912.L.16.9 2 Organisms from the simplest bacteria to the human share the same four nucleotides in their genetic code this best indicates A. diversity of ancestry B. universal common ancestry C. identical protein structure D. diverse protein structure