Biology » Page 16

Giancarlo Rojas

Biology

Some animals, like birds, reproduce by fusion of cells. Before a bird hatches, what protects the bird as it develops?

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Biology

Which best describes the structure of a DNA molecule!

A. Two strands of RNA linked together

B. Two strands of amino acids linked together

O

c. A strand of DNA linked to a strand of RNA

D. Two strands of DNA linked together

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Rosemary Norris

Biology

Mike ride his bike with a constant speed of 14 mph how long will it take to travel a distance of 21 miles

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Clarissa Sexton

Biology

Which of the following statements correctly describes the activation of autonomic nervous system function within the circulatory system?

a. Sympathetic nervous system activation decreases cardiac output

b. Parasympathetic nervous system activation increases heart rate

c. Sympathetic nervous system activation constricts arteries found within the salivary glands.

d. Parasympathetic nervous system activation constricts arteries found within erectile tissue

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Biology

The immediate energy system (ATP-PC) relies on:

a. the reactions of glycolysis

b. oxygen availability in the immediate cellular environment

c. the high-energy phosphates stored in muscle cells

d. the oxidation of lactate

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Biology

The central Dogma states that the genetic code is passed from one molecule of DNA to another molecule of DNA through what?

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Cristina Morales

Biology

Made when sediments fill in a cavity made when an object decayed and the sediments harden into rock

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Biology

The lemming is a small mammals with a very high daily energy expenditure for its size. Based on what you learned in the panda case study, what would you predict about the lemming?

A) It would have a very large brain, heart and kidney for its sizeB) It would be a very active animal. C) It would have a very high metabolic rate for its size. D) B and C only.

E) All of the above.

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Biology

You started out as a single cell and are now made of over 200,000 different types of cells. explain how this happens.

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Biology

why is carbon such an important element in living organisms

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Biology

Which of these is a fiber - yielding crop?

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Biology

A cluster sample is obtained by selecting individuals who are easily contacted or those who voluntarily respond.

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Biology

Were does condensation occur?

A) Hydroshere

B) Lithoshere

C) Boishere

D) Atmosphere

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Biology

A three-year-old-has stuck a crayon in his nose. Assessment reveals the crayon to be deeply embedded in the right nostril with some irritation and swelling noted. His vital signs are: pulse 124, respiration 20, and SpO 2 100 percent. Which of the following would be MOST appropriate when caring for this child?

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Destinee Maldonado

Biology

Polymers are made of individual subunits called

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