One strand of DNA has the sequence 5?-ATTCCG-3? The complementary strand for this is
a. 5?-TAAGGC-3?
b. 5?-ATTCCG-3?
c. 5?-ACCTTA-3?
d. 5?-CGGAAT-3?
e. 5?-GCCTTA-3?
Answer: d. 5?-CGGAAT-3?
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Common alleles of genes other than BRCA1 ____
a. dictate the types of mutations that occur in BRCA2 b. cause uncontrolled division of the BRCA2 gene c. cause the interruption of the cell cycle in any cell containing a BRCA2 mutation d. have a strong influence on whether a carrier will develop breast cancer e. have very little influence on whether a carrier will develop breast cancer
What does this figure indicate?
A) Species abundances have dramatically declined. B) Species richness has dramatically declined. C) Species have moved higher in elevation over time. D) Species have moved lower in elevation over time.
A(n) _______ cross involves two different genes, each affecting a different character.
A: monohybrid B: dihybrid C: trihybrid D: F1 E: F2
The innervation ratio of motor units is not standard and depends on the demands of the muscle. Which of the following muscles would have the lowest innervation ratio? How would this affect its function?
a. Soleus: coarse movement b. Orbicularis oculi: fine movement c. Gluteus maximus: fine movement d. Vastus lateralis: coarse movement