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Biology

Jessie Morales

What is the expected phenotype of F1 progeny from a cross between two homozygous recessive mutants disrupted in different genese?

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Biology

Gunner Wilson

The hypothalamus controls secretion by the anterior pituitary by

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Biology

Marin Sawyer

Swine are vulnerable to infection by bird flu virus and human flu virus, which can both be present in an individual pig at the same time. When this occurs, it is possible for genes from bird flu virus and human flu virus to be combined. If the human flu virus contributes a gene for Tamiflu resistance (Tamiflu is an antiviral drug) to the new virus, and if the new virus is introduced to an environment lacking Tamiflu, then what is most likely to occur?

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Biology

Guest

Is the process of adding atoms to the center of a protostar or gravitational center in space.

A) Accretion

B) Photosynthesis

C) Equilibrium

D) Nuclear fusion

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Biology

Judah Johns

Where do consumers get energy from A. from the water B. from the sun C. from other organisms D. from the air

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Biology

Jagger Sexton

Describe in detail how the different niches occupied by three organisms in a habitat mean that organisms can coexist

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Biology

Conor Thompson

Of the following elements, which one would have the largest radius?

Question options:

Nitrogen (N, atomic #7)

Lithium (Li, atomic #3)

Neon (Ne, atomic #10)

Boron (B, atomic #5)

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Biology

Fiona Brooks

How do nk cells not attack denucleated cells?

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Biology

Lucas Peters

Monarch butterflies are protected from birds and other predators because of cardiac glycosides they incorporate into their tissues from eating milkweed when they were in their caterpillar stage. the wings of a different species of butterfly, the viceroy, look nearly identical to the monarch so predators that have learned not to eat the bad-tasting monarch avoid viceroys as well. this example best describes

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Biology

Bingo

What happens when the liver stops producing bile juice

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Biology

Guest

How many neutrons does the most common isotope of uranium have

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Biology

Camilla

Describe the tolerance range of temperature of a named terrestrial animal

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Biology

Jamie French

What is made of a central star around which various other non-star objects orbit?

A) planetary system

B) a nebula

C) a galaxy

D) black hole

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Biology

Annie

Embryonic stem cells give rise to all cell types in the developing embryo. Would you expect the interphase period of stem cells to be long or short?

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Biology

Kingston

Which pair shows compounds with the same radical

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