Which of the following statements is false?
a. Tobacco smoking is the most serious risk factor
for cardiovascular disease.
b. Until age 50, males have a greater risk of a heart
attack than females.
c. Hypertension is called the silent killer.
d. In atherosclerosis, the diameter of the lumen of a
blood vessel decreases.
e. If a blood clot becomes dislodged and travels in
the bloodstream, it is called a thrombus.
Answer: e
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Anticodons pair with
a. codons on DNA b. codons on mRNA. c. codons on tRNA d. codons on rRNA e. messenger RNA and ribosomal RNA.
Choose the description in column 2 that best matches each structure/protein in column 1
A) cytokinesis B) spindle pole C) anaphase B D) DNA replication E) anaphase A F) nuclear envelope breakdown G) CEN sequence H) microtubule attachment site 1) kinetochore 2) interpolar microtubule 3) actin filament ring 4) sister chromatids 5) lamins 6) kinetochore microtubule 7) centromere 8) centrosome
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Figure 9.8
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The following questions refer to the codon table above.
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The first amino acid of a new polypeptide chain is _____________.
A. alanine B. cysteine C. variable D. phenylalanine E. methionine
Which of the following lists gives the cellular processes for limb formation in correct order from first to last?
A. cell differentiation, cell migration, cell division, cell death B. cell division, cell differentiation, cell migration, cell death C. cell migration, cell division, cell differentiation, cell death D. cell migration, cell differentiation, cell division, cell death E. cell division, cell migration, cell differentiation, cell death