Biotechnology advances are important in medicine. Which field is interested in determining how drugs used to treat disease may be affected by an individual's genetic makeup?
A) cloning
B) genetic engineering
C) gene therapy
D) pharmacogenomics
Ans: D) pharmacogenomics
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Suppose a microbiologist wanted to assess the microbial community in a gram of forest soil. Which of the following technique(s) would help them to enumerate a specific genus or type of microbe?
A. Optical tweezers B. Fluorescent in-situ hybridization (FISH) C. Phylochip D. Catalyzed reported deposition-FISH (CARD-FISH)
During the late 1800s, cattle egrets arrived in South America from Africa and began to colonize. Their range has expanded dramatically over the years. Why were they able to do this?
A. The habitats that they left in Africa were not suitable for any further colonization; thus, they were forced to emigrate. B. The habitats that they encountered in South America were suitable to them and unoccupied. C. There were abundant cattle for the birds to gather around in South America; furthermore, various animals that the egrets had lived around in Africa had become quite scarce because of over hunting and poaching, causing the birds to extend their range. D. The food resources in South America were far superior to those in Africa, allowing the egrets more opportunity to grow and reproduce and ultimately expand their range. Clarify question: What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about what impacts the colonization of a new habitat? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
White blood cells engulfing a bacteria is an example of:
a. parasitosis b. phagocytocis c. exocytosis d. pinocytosis e. receptor mediated endocytosis
After fertilization, a zygote develops into a fully formed human in about 38 weeks. During which stage of development do cells begin to differentiate and form specialized tissues and organs?
A) first trimester B) second trimester C) third trimester D) at birth