Certain proteins can bind to specific DNA regulatory sequences by entering
A. DNA's minor groove by using DNA polymerase and reading the nucleotide base pairs.
B. the major groove of the DNA and reading the nucleotide base pairs.
C. the major groove of RNA and reading the nucleotide base pairs.
D. the minor groove of the DNA and reading the nucleotide base pairs.
E. DNA's major groove by using DNA polymerase and reading the nucleotide base pairs.
Answer: B
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Hominins refers to members of all the different species in the lineage leading to humans
A. true B. false
Which of the following statements best compares a pseudocoelom and a coelom?
A. A coelom is completely enclosed by mesoderm whereas a pseudocoelom has an outer covering of mesoderm and an inner one of endoderm. B. A pseudocoelom is completely enclosed by mesoderm whereas a coelom has an outer covering of mesoderm and an inner one of endoderm. C. The coelom is enclosed by ectoderm and the pseudocoelom is enclosed by endoderm. D. The pseudocoelom is enclosed by ectoderm and the coelom is enclosed by endoderm. E. The coelom is enclosed by ectoderm and the pseudocoelom is enclosed by mesoderm.
Which of these macromolecules are modified within the rough endoplasmic reticulum?
a. carbohydrates b. lipids c. proteins d. steroid hormones
Refer to Figure 46-2. Which of these lungs would be found in reptiles?
a. 1 only
b. 2 only
c. 3 only
d. 4 only
e. both 1 and 2