Your roommate is experiencing heartburn and asks you to purchase her an antacid. Chemically speaking, how do you know that the antacid will help eliminate her pain?
A) It has a low pH to balance the acidity in her digestive tract.
B) It is a buffer and will prevent the pH in her digestive tract from changing.
C) It is probably high in H+.
D) It has a higher OH- concentration to increase the pH in her digestive tract.
Answer: D
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DNA microarray technology
A. may use many DNA fragments that function like probes. B. attaches nucleotides to a solid support such as a glass slide. C. relies on arrays that contain a detectable tag. D. uses nucleic acid hybridization. E. may use many DNA fragments that function like probes, attaches nucleotides to a solid support such as a glass slide, AND uses nucleic acid hybridization.
________ proteins stabilize partially folded parts of proteins in their correct form.
A) Chaperone B) Signal sequences C) Proteasomes D) Ubiquitin
Animal breeders use a _______ to determine whether an organism is heterozygous or homozygous for a particular trait.
a. Punnett square b. reciprocal cross c. test cross d. self cross
Select all examples of cells that are prokaryotic:
a. Fungal cell b. Animal cell c. Archaeal cell d. Bacterial cell e. Plant Cell