RNAi is commonly used in which experimental strategy?
a. gene overexpression
b. DNA sequencing
c. gene knockout
d. gene knockdown
e. microarray analysis
ANSWER: d
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Answer the following statements true (T) or false (F)
1. If sucrose is composed of both glucose and fructose then sucrose must be a monosaccharide. 2. Lipids and carbohydrates have similar functions insofar as they can represent a form of energy store in animals. 3. Saturated fats are composed of fatty acids with several double bonded carbons. 4. When a food label reads polyunsaturated fats, this refers to fatty acids composed of multiple double bonded carbons.
Corals that compete by growing fast can also use:
a. stinging filaments from their digestive cavity. b. sweeper tentacles. c. interference. d. their greater ability to tolerate shade. e. chemicals to paralyze competitors.
In a forest community, the upper layer is called the ________
Fill in the blank(s) with correct word
What is the function of a fish's operculum?
A) Detects biofields in the immediate vicinity B) Detects movements in the surrounding water C) Protects the gills D) Provides buoyancy