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Guest
Over time, bacteria have become increasingly resistant to antibiotics. Explains this in terms of natural selection.
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Baby Bird
Active transport involves all of the following except the

A) diffusion of solute through the lipid bilayer of a membrane.

B) pumping of solutes across the membrane.

C) hydrolysis of ATP.

D) transport of solute against a concentration gradient.

E) specific transport protein in the membrane.
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Ivan Nolan
List three methods used to prevent the evaporator from becoming too cold and freezing
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Amorcita
The french biologist lamarck proposed that
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Ruth Lawson
A scientist performed an experiment on mice. Her results are posted below. Lung Cancer in Mice Experiment Group Duration of Cigarette Smoke Exposure Number of Cases of Lung Cancer 1 0 days 0 2 500 days 3 3 1,000 days 27 4 1,500 days 32 After analyzing her results, she stated that a mouse must be exposed to more than 500 days of cigarette smoke before the mouse can get lung cancer. Do you agree with the scientist's conclusions?
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Cassius Finley
Angiosperms do not need water for fertilization. Why?
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Aidyn
After removing a cutting from a parent plant, farmers usually:
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Rene Moreno
Why is it important to elevate the anthers and stigma?
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Peter Sullivan
Which biome is a suitable habitat for the white wolf
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Milagros Ibarra
Two Homozygous plants for color produce an offspring, What are the possible genotypes and phenotypes that the offspring could have?
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Kent
If a forest is producing enough oxygen for both the plants and the animals in the forest to use, is there more photosynthesis happening or more respiration happening within plants?
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Kobe Ayala
Which statements describe the mercalli scale select two options
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Crystal Baird
How two limiting factors may affect human population growth. Use scientific reasoning.
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Guest
What vocabulary term refers to a gene that is masked over or hidden when a dominant gene is present?
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Ryleigh Hughes
In a voltaic cell, from which electrode do the free electrons originate?
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