Biology, 07.03.2020 03:08 jaydqueen3155
Mad cow disease is a fatal disease that destroys brain tissue. Researchers have found that a prion protein, which is an abnormally constructed molecule, is responsible. Which statement best describes the characteristics a protein must have to function correctly?
A) A protein is a long chain of amino acids folded
into a specific shape.
B) A protein is a long chain of simple sugars
folded into a specific shape.
C) A protein is made of amino acids synthesized
into a short, circular chain.
D) A protein is made of simple sugars synthesized into a short, circular chain
Answers: 1
Biology, 21.06.2019 19:40
Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.
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Biology, 22.06.2019 12:30
The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water
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Biology, 22.06.2019 15:30
Everything in the universe originated from a single point. how was it possible for everything in the universe to have occupied a single point in space?
Answers: 2
Mad cow disease is a fatal disease that destroys brain tissue. Researchers have found that a prion p...
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