The genome sequence of Treponema pallidum

A. has led us to be able to completely eradicate this organism.
B. should ultimately help us understand the mechanism by which this organism causes syphilis.
C. almost immediately provided explanations for how this organism causes syphilis.
D. identified proteins that have already been used to produce the first successful vaccine for syphilis.


Answer: B

Biology & Microbiology

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Malate produced by the CAM pathway in CAM plants ____

a. is immediately used in cellular respiration b. is stored during the night in the central vacuole c. is stored during the day in the stroma d. diffuses to bundle sheath cells for degradation in the lysosomes e. is stored in mesophyll cells

Biology & Microbiology

Some transcriptional repressors work by ____

a. binding to the same sequence where activators normally bind b. binding to and disabling the activator c. recruiting histone acetylation enzymes and thus interfering with chromatin remodeling d. binding to RNA polymerase II and preventing it from binding to the transcription factor complex e. methylating DNA

Biology & Microbiology

Which of the following events occur(s) during

the follicular phase of the menstrual cycle? a. An ovarian follicle enlarges. b. A zona pellucida forms around the oocyte. c. An oocyte completes meiosis I. d. Estrogen levels increase. e. All of these occur

Biology & Microbiology

What is the main goal for making engineered "golden rice"? a. Make rice attractive to pollinators b. Make rice crops resistant to pests c. Make rice more nutritious d. Enable rice crops to withstand drought conditions e. Wind-proof rice crops

What will be an ideal response?

Biology & Microbiology