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Explian the difference between an ionic compound and molecule
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Levi Cardenas
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Soon after the discovery of nerve growth factor (NGF), researchers injected newborn mice with rabbit antiserum (i. e. rabbit serum that contains antibodies) that recognize and neutralize mouse NGF. They observed massive nerve cell death compared to appropriate control injections (e. g. injection of rabbit antiserum that doesn't recognize NGF), Up to 99% of the neurons in some parts of the developing peripheral nervous system died after about a week of daily injections. Which of the following conclusions is supported by these results?

A. NGF signaling sensitizes developing nerve cells to apoptotic signals.

B. Developing neurons undergo apoptosis in the presence of rabbit proteins.

C. Developing neurons require NGF for apoptosis.

D. Developing neurons undergo cell death in the absence of NGF.

E. NGF signaling is sufficient for survival of the developing neurons.
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Maci Haney
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This schedule number contains drugs with low potential abuse, medical use, and the lowest potential for dependency
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Alisson
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The wings of birds and butterflies have the same function-they enable the organisms to fly. Which statement can be made about the evolutionary relationship between these organisms?
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Kaitlyn Brewer
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What is the species name for humans
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Friedman
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Burns are considered ___ if third degree burns occur on the face, hands or feet.
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Mombod
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Why are lower case letters only used with complete dominant alleles?
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Macy
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Bob Davison describes the Endangered Species Act (ESA) as an effective tool for conserving biological diversity. What is his rationale for the value of focusing on individual species? Bob Davison describes the Endangered Species Act (ESA) as an effective tool for conserving biological diversity. What is his rationale for the value of focusing on individual species? A focus on individual species is cheaper than protecting entire ecosystems. Establishing public empathy for charismatic species provides an opportunity to educate people about lesser-known species. The public is not concerned about the economic costs of individual species recovery. The public tends to value intact ecosystems over particular plant and animal species.
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Alina Odonnell
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In fruit flies long wings (W) are dominant to short wings (w). What is the phenotype of the unidentified parent? A. wingless B. short winged C. medium winged D. long winged
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Campos
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How could competition play a role in the way populations change?
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Cameron Dean
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Explain in your own words why a roller coaster has gravitational energy.
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Avery Moore
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A substance that kills insects that feed on crops but can bioaccumulate up the food chain is known as a:
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Claire
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Which of the following is a current group of living sponges? Answer glass demosponges clacareous all of the above
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Abraham Santos
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When you use alcohol and other drugs to function this is called?
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Uriah Oconnor
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In what three ways are human traits controlled?
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