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Erik Byrd
BiologyBiology
What happens to enzyme if the temperature varies too far from the enzyme optimum (or best) temperature
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Makayla Molina
BiologyBiology
In what two ways did the human population change as a result of the agricultural revolution
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Meyers
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A mutation within the promoter region can alter transcription of a gene. Describe how this can happen.
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Kristian Dudley
BiologyBiology
Name the 3 texas river that form borders and the neighboring states that they border
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Kyler Adams
BiologyBiology
During crossing over in meiosis, an incomplete exchange of genetic material occurs. this would most likely produce
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Hillary Turner
BiologyBiology
Cystic fibrosis is genetic, meaning it can be passed from parent to child. What type of mutation causes cystic fibrosis? somatic mutation germline mutation silent mutation
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Elliot Cross
BiologyBiology
Why is the inner core a solid, even though it has a higher temperature than the

outer core, which is a liquid?

A. The inner core contains mostly silicon.

B. The inner core is under less pressure than the outer core.

C. The inner core is under more pressure than the outer core.

D. The inner core is more easily deformed than the outer core.
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Brady Hopkins
BiologyBiology
Which is not an example of an earth system cycle?
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Beau Dunn
BiologyBiology
Which statement is true of prokaryotic and eukaryotic cells?

A Eukaryotic cells are simpler than prokaryotic cells.

B Prokaryotic cells are larger than eukaryotic cells.

C Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei.

D Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.
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Kalan
BiologyBiology
Select all that apply. 3. (1 pt) Which structures are found in both plant cells and animal cells? A. ribosome B. mitochondria C. nucleus D. cell membrane
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Elaina Harper
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What are two types of minerals
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Hassan Branch
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A male stickleback fish will attack other male sticklebacks that invade its nesting territory. it will only attack male fish, which display the red belly characteristic of the species. why has natural selection favored this behavior?
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Nataly Ingram
BiologyBiology
there are four trophic levels in a food chain: Algae, salmon, bears and humans. if algae produce 6500 kj of energy, calculate the amount of energy that is passed on to each trophic level
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Guest
BiologyBiology
A sentence using ecosystem
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Miah Campos
BiologyBiology
John was injured in a car accident and lost consciousness for 10 minutes. he sustained numerous lacerations, a right femoral contusion, and had a large open wound on his head. when he arrived at the emergency room, which neuroimaging technique did the attending physician immediately order to rule out any soft-tissue damage to the brain? electroencephalogram (eeg) magnetic resonance imaging (mri) functional mri (fmri) positron emission tomography (pet)
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