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Kristina Ibarra
BiologyBiology
What happens in metaphase 1?
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Goldilocks
BiologyBiology
Summarize what is meant by the idea that matter and energy flow.
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Guest
BiologyBiology
Structures that occur in different species but are similar enough to suggest that the species had a common ancestor is

Question 2 options:

comparative embryology

homologous structures

phylogenetic tree
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Coby Thornton
BiologyBiology
What is one reason it is necessary for humans to eat saturated fats
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Teagan Abbott
BiologyBiology
Which product is the result of light reactions in photosynthesis?

A. Oxygen

B. Water

C. Glucose

D. Carbon dioxide
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Bradyn Mills
BiologyBiology
What best explains the observation of an enzyme being selective in the reaction it catalyzes?

a. Reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.

b. Molecules and active sites vary in size; only properly sized molecules can fit.

c. There is a precise compatibility between an enzyme's active site and the substrate molecule.

d. Specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed.

e. Active sites carry slight negative charges, while substrates tend to carry slight positive charges.
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Crystal Duffy
BiologyBiology
What is an example of a farming practice that is good for the environment and preserves the rain forest
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Tamia Morrison
BiologyBiology
Which of the following is not an example of a trade-off?

a. Flowers that produce more nectar are likely to receive more visits from pollinators.

b. Bacteria with genes that confer resistance to antibiotics grow more slowly than those that are susceptible to antibiotics.

c. A plant that invests in above ground growth will have smaller roots.

d. Mosquito fish that are able to swim very rapidly are not able to swim for long periods of time.

e. Frogs that sing elaborate courtship songs are more likely to attract mates and predators.
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Brendon
BiologyBiology
As carbon dioxide enters systemic blood, it causes more oxygen to dissociate from hemoglobin (the Haldane effect), which in turn allows more CO2 to combine with hemoglobin and more bicarbonate ions to be generated (the Bohr effect).

A. True

B. False
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Jamiya Phillips
BiologyBiology
What is the match to cellulose
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Luz Fuller
BiologyBiology
A hospital client was swabbed on admission for antibiotic-resistant organisms and has just been informed that methicillin-resistant Staphylococcus aureus (MRSA) is present in his groin. The client has a normal core temperature and white blood cell count. This client is experiencing:

A)

Infection

B)

Proliferation

C)

Colonization

D)

Inflammation
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Harley Mills
BiologyBiology
What is the larger mean of these two samples?

Sample A: 23, 26, 30, 28, 25

Sample B: 31, 20, 29, 27, 24

A. 11

B. 26.2

C. 26.4

D. 132
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Tania Cantrell
BiologyBiology
When spread out and viewed with electron microscopy, an active rrna gene looks like a?
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Julius Reynolds
BiologyBiology
Explain what a second messenger molecule's role is in signal transduction, and give an example. Describe how signal information is transduced into cellular responses in the cytoplasm and nucleus.
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Guest
BiologyBiology
Which of these best completes this concept map?

A - Animal Cell

B - Prokaryotic Cell

C - Virus

D - Plant Cell
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