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Biology

Robbins

What is anaerobic respiration?

A. The process cells use to release energy from glucose when

oxygen is not available

B. Physical activity that increases heart and breathing rates

C. Physical activity that decreases heart and breathing rates

D. The process cells use to release energy from glucose in the

presence of oxygen

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Biology

Camron Gaines

Newborn human babies with lesser body weight are prone to infections. Heavier babies are difficult to deliver through the narrow pelvic passage of human mothers and may not survive. Babies with normal body weight have a better chance of survival and can be delivered normally. What kind of selection is exhibited in this case?

a. Stabilizing selection

b. Directional selection

c. Disruptive selection

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Biology

Avah Crawford

This biomolecule provides long term storage of energy in heterotroph

A.) Carbohydrate

B.) Lipids

C.) Proteins

D.) Nucleic Acids

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Biology

Jamari Bush

Como os fósseis auxiliam nos estudos cientificos?

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Biology

Kennedi Hall

The benefit of social behavior that refers to searching for and collecting food is referred to as

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Biology

Danna Church

Which of the following is the effect to contractile vacuole when Amoeba sp is placed in salt water?

A. Burst and die

B. Stop contracting

C. Contract at fast rate

D. Contract at slow rate

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Biology

Charlotte Barnes

Which geochemical cycle involves mantle convection? Nitrogen Tectonic Hydrologic Carbon

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Biology

Davian Everett

Energy can be changed from one form to another. Changes in the form of energy are called energy conversions. In an automobile

engine, fuel is burned to convert _energy into heat energy. The energy is then changed into energy.

Identify the correct order of energy conversion in an automobile engine.

A)

heat - chemical - mechanical

chemical

mechanical

heat

mechanical

heat - chemical

D)

chemical

heat-mechanical

Submit

Law of Conservation of Energy

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Biology

Gloria Kirk

Describe electron carriers and the electron transport chain.

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Biology

Guest

Slice of cheese is 3.0°C and is sitting on a dish that is 3.0°C.

If the dish and cheese are in a refrigerator that is set to 3.0°C, which of the following statements is true?

a. Heat will not flow because there is no temperature difference between the substances.

b. The temperature of the air in the refrigerator will decrease and the temperature of the cheese will increase.

c. The temperature of the cheese will increase and the temperature of the dish will decrease.

d. Heat will flow from the air in the refrigerator

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Biology

Fattykins

Some types of organisms can increase genetic variation through reproduction. They are able to combine the genetic material of two parents, rather than copying the genetic material of a single parent. Which organisms are capable of this?

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Biology

Thomas Wilkerson

Unlike a lytic infection, a lysogenic infection

a. allows viruses to remain inactive for a while within a host.

b. involves a host.

c. requires a virus to inserts its nucleic acid into a host cell's DNA.

d. involves a virus and its nucleic acid.

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Biology

Sosa

Fill a bucket with water. Wait until the water stops moving around and becomes completely still. Tap the side of the bucket and watch what happens. Ripples form on the surface of the water. How are the ripples formed?

A)

vibrations in the wall transmitted to the water surface

B)

By the motion of molecules of H2O in the bucket

C)

the release of bubbles in the water every time the wall is struck

D)

natural vibrations due to sounds that are always present in the air

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Biology

Shyla Hammond

Discuss the order in which seed dispersal mechanisms could have evolved

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Biology

Abel Mcgee

Why do reptiles not have to return to water to lay their eggs?

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