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Livia Goodwin
9. What are the characteristics of bacteria?
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Lukas Kirk
Sally and Harry fall in love. They introduce Sally's identical twin, Emily, to Harry's identical twin, Ken. Soon there is a double wedding where Sally marries Harry and Emily marries Ken. Both Sally and Emily get pregnant. They wonder "Will their babies look exactly alike?" Answer their question, and explain your reasoning. (To answer this question, think about the children that could be produced if both pairs of identical twins are heterozygous Aa.)
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Gustavo Stephenson
Which process moves water molecules across the membrane of a cell?

diffusion

endocytosis

exocytosis

osmosis
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Vivian Craig
Which of these is NOT a main type of tissue?

connective

skeletal

nervous

muscle
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Braelyn
Which of the following is true with respect to mutagens? Mutagens are chemical or physical factors that increase the rate of mutation. Mutagens are the genes that cause mutation. Mutagens are inheritable characters that develop mutation.
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Hugh Osborne
Who was the first person to observe a living cell in a drop of pond water.
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Riya Preston
Biologists identify four major components in an ecosystem: producers, consumers, decomposers, and the abiotic environment. what links them?
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Matthias
Discuss the meaning and importance of selective toxicity as it relates to antimicrobials.
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Kaylie
The plasma proteins involved in fighting infections are
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Conor Lyons
Which of the following statements concerning enzymes is FALSE? A) They are usually, but not always, proteins. B) They function best at 37°C. C) They can be denatured if the pH of their environment is too high or too low. D) They form a temporary intermediate compound with a substrate. E) They can be used to catalyze a chemical reaction over and over again.
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Tiny
Why do breeders look at pedigrees before breeding dogs? Or in different words, how do pedigrees play a part in breeding dogs?
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Silas
The fruiting body in Agaricus is called
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Nathen
Describe two ways in which genetic recombination occurs during meiosis.
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Shyla Hammond
Survival of at least a few members of a population after a major environmental change is most dependent on

1) the population having an individual that is adapted to the original environment 2) the population having an individual that is adapted to great changes in the temperature and its environment

3) variations in many different traits in many individuals in the population

4) no variations in the color of the fur, skin, or feathers of the individuals in the population
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Nikolas Nicholson
A bacterial cell can live independently of other cells and does not have a membrane surrounding its nucleus. Which set of terms can be used to describe a bacterial cell?

A.

multiclelluar and eukaryotic

B.

multicellular and prokaryotic

C.

unicellular and eukaryotic

D.

unicellular and prokaryotic
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