Which process, Figure A, B, or C, depicts activation and action of cytotoxic T-cells?
1.A
2.B
3.C
2
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Which electron carriers are involved in oxidative phosphorylation?
a. NADPH and ADP b. NADH and FADH 2 c. FADH 2 and ATP d. NADPH and FADH
Does altering the permeability characteristics of the membrane change the direction of solute movement?
a. Yes b. No
How is air contamination prevented when an inoculating loop is used to introduce or remove organisms from an agar plate?
What will be an ideal response?
You are a forensic technician working on a DNA sample obtained from a crime scene. Your job is to compare the unknown DNA sample with known DNA samples collected from five different suspects. Preliminary analysis using only a few DNA markers revealed that the unknown sample could possibly match two of the suspects. After consulting the case file, you find out that these two suspects are brothers (but not twins). You realize that you will have to do a more detailed analysis on the samples so that you can distinguish between the brothers and determine which brothers' DNA matches the unknown sample.Which of the following will help you distinguish between the two final suspects?
A. markers on the Y chromosome B. linkage data C. human genome map D. single nucleotide polymorphisms (SNPs)