Which of the following are associated with energy transfer in eukaryotic cells?
A) chloroplasts and the cell wall
B) chloroplasts and mitochondria
C) mitochondria and rough ER
D) mitochondria and smooth ER
E) lysosomes and Golgi complex
Answer: B
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Why is DNA sequencing the gold standard for measuring genetic variation?
A. It is the easiest method of identifying genetic variation. B. It uses mutations to detect differences in amino acid sequence. C. It relies on proteins instead of genetic sequence. D. It determines the exact genetic sequence, and thus the absolute variation in a population. E. It is the least accurate, and is not the gold standard.
In the following pedigree, the indicated trait is most likely caused by which type of allele?
A) autosomal recessive
B) autosomal dominant
C) X-linked recessive
D) X-linked dominant
E) Y-linked
Which of the following is an enzyme that breaks hydrogen bonds?
a. helicase b. telomerase c. DNA polymerase d. DNA ligase
Histone tail modifications establish and maintain the different chromatin structures found in heterochromatin and euchromatin.
a. true b. false