Antibodies detected by reacting rickettsial antigens with specific antibody followed by use of an anti-immunoglobulin with a fluorescent tag could be used to diagnose:
A) Rocky Mountain spotted fever
B) Mycoplasma pneumonia
C) stomach ulcers
D) rheumatic fever
Ans: A) Rocky Mountain spotted fever
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You are a genetic counselor, and a couple comes to you with concerns that if they have a child
together it could have hemophilia. The woman has an X-linked recessive form of hemophilia, but the man does not. Which of the following would be a correct thing to tell them?
a. Any child that they produce will have a 50% chance of having hemophilia. b. All of their male offspring will have hemophilia, and each of their female offspring will have a 50% chance of having hemophilia. c. None of their offspring should have hemophilia, but all of their female offspring will be carriers for hemophilia. d. Each of their male offspring will have a 50% chance of having hemophilia, and while their female offspring should not have hemophilia they will each have a 50% chance of being carriers. e. All of their male offspring will have hemophilia, and while their female offspring should not have hemophilia, they will all be carriers.
In prokaryotes, transcription occurs in the _____
a. mitochondria b. cytoplasm c. ribosomes d. nucleus e. endoplasmic reticulum
In 2009, Nadya Suleman, gave birth to
a. pentuplets. b. sextuplets. c. octuplets. d. the first human clone. e. none of these
When hydrogen ions (protons) are pumped across the inner mitochondrial membrane, they form a
proton gradient. ATP is then formed by a process known as: a. glycolysis. b. the citric acid cycle. c. chemiosmosis. d. pyruvate synthesis. e. substrate-level phosphorylation.