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Biology

Maya Saunders

Animal cells are permeable to water and urea but NOT to sucrose. The inside of a cell contains 1 M sucrose and 1 M urea and the outside 1 M sucrose and 2 M urea. After the system reaches equilibrium, what changes are observed?

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Biology

Sassafras

What three main things make up an atp molecule?

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Biology

Francisco Roach

What is the relationship between water clarity and otter survival?

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Biology

Jasmine Baird

Sergei Winogradsky Choose one: A. discovered microbial fermentation. B. developed a pure culturing system using agar. C. identified microbes using biotechnology. D. discovered chemolithotrophs in natural environments.

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Biology

Marin

DNA has a structure that resembles a twisted ladder. This structure is called a

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Biology

Chewbacca

Review the chart, which shows the population sizes of three african animals in 1990 and in 2000

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Biology

Sanaa Sellers

Can sex-linked traits have more than two phenotypes?

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Biology

Javion Grant

Which would you expect to be the most active on a cold day?

a chipmunk

a frog

a crocodile

a snake

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Biology

Madison Sweeney

Double-stranded regions of RNA:A) are less stable than double-stranded regions of DNA. B) can be observed in the laboratory, but probably have no biological relevance. C) can form between two self-complementary regions of the same single strand of RNA. D) do not occur. E) have the two strands arranged in parallel (unlike those of DNA, which are antiparallel).

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Biology

Braiden Bolton

Why do we store food at low temperatures

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Biology

Tamia Wood

The mosquito in the Amber is an organism preserved over millions of years. This is perfect example of a

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Biology

Maribel Guerrero

Name two types of factors that cause noninfectious disease.

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Biology

Rosa Alvarado

Imagine that youre able to fully dissolve a powered substance in water. what can be said about this creation

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Biology

Kole

Why are fats useful and sometimes better than carbohydrates

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Biology

Liberty Middleton

Which statement best describes the process of asexual reproduction?

A.

A human baby is the result of a fertilized egg.

B.

A plant releases seeds into the air.

C.

A single-celled protist divides into two cells, and each one becomes another protist.

D.

A wormlike insect transforms into a ladybug after fertilizing an egg.

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