Practice quiz Flashcards

1
Q

Approximately what percentage of the air we breathe is made up of oxygen

A

20 %

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2
Q

The spleen is an organ in which system

A

Lymphatic

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3
Q

The sternal region of the body is blank to the umbilical region

A

Superior

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4
Q

Which of the following body systems functions to produce blood cells

A

Skeletal

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5
Q

What is the difference between a colloid and a suspension

A

A colloid can undergo sol gel transformation, whereas a suspension cannot

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6
Q

Molecular chaperones help what form

A

Proteins

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7
Q

Prostaglandins are

A

Lipids

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8
Q

Which of the following bases are purines

A

Adeline and guanine

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9
Q

Sugars contain

A

CHO

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10
Q

Buffers tend to prevent dramatic changes in PH when what is added

A

Proton donors and proton acceptors

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11
Q

Which organelle produces secretory vesicles

A

Golgi apparatus

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12
Q

Which junction is known as the anchoring one

A

Desmosomes

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13
Q

Which organelle is Cristae found in

A

The mitochondria

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14
Q

Cell are polarized in their resting state true or false

A

True

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15
Q

A segment of dna that Carrie’s instructions for the production of one polypeptide chain

A

Gene

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