What part of a chromosome goes through transcription and translation?
A. Only introns go through transcription and translation.
B. Only genes go through transcription and translation.
C. Both introns and exons go through transcription and translation.
D. All of the chromosome goes through transcription and translation.
Answer: B
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The earliest stromatolites were probably formed by
A) anoxygenic phototrophs. B) anoxygenic lithotrophs. C) oxygenic phototrophs. D) oxygenic lithotrophs.
Lysosomes contain enzymes that the cell uses to break down macromolecules and damaged organelles. The enzymes do not function as well, if at all, in the cytoplasm surrounding the lysosomes. Why not?
a. The enzymes are strongly hydrophilic, and dissolve too rapidly if they are not contained by lysosomes. b. The enzymes bind to the inner lysosome membrane and break down macromolecules mechanically. c. The enzymes require an environment acidic enough to damage other organelles within the cytoplasm. d. When exposed to cytoplasm, the enzymes automatically assemble lysosomes from free macromolecules.
________ are weak bonds that are not strong enough to hold atoms together to form molecules but are strong enough to form bonds within and around large molecules
A) Ionic bonds B) Covalent bonds C) Polar covalent bonds D) Hydrogen bonds
During this process, RNA polymerase synthesizes a molecule of RNA using DNA as a template.
A. gene sequencing B. transcription C. termination D. translation E. MRNA splicing