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OAT Bio > Question of the Day > Flashcards

Question of the Day Flashcards

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Biology 101 flashcards
1
Q

What are kidneys responsible for?

A

Excretion, Tissue Osmolarity Homeostasis, Producing Hormones, and Plasma PH Homeostasis

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2
Q

What do pulmonary arteries carry?

A

Oxygen-poor blood from the right ventricle

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3
Q

What is the oxygen-poor blood route from the pulmonary artery?

A

Carries oxygen-poor blood from the right ventricle, goes to lungs to pick up oxygen, and goes to left atrium as pulmonary vein

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4
Q

What is Histamine

A

A signaling molecule that induces gastric acid secretion in the stomach

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5
Q

What hormones inhibit gastric acid secretion?

A

Somatostatin and GIP

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6
Q

What do enzymes affect?

A

The activation energy of a reaction

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7
Q

What is the function of bones?

A

Movement, Protection, Reservoir of Minerals, Hematopoiesis (Forming Blood Cells in Bone Marrow)

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8
Q

Cytosine : Guanine has what type of bond?

A

Triple hydrogen bond

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9
Q

Adenine : Thymine has what type of bond?

A

Double hydrogen bond

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10
Q

What does it mean for animals to be poikilotherms?

A

They maintain varying / fluctuating internal body temperatures

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11
Q

Which animals are poikilotherms?

A

Fish, reptiles, amphibians

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12
Q

What metal is Chlorophyll associated with?

A

A central Mg atom

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13
Q

What is returned to the circulatory system?

A

The circulating lymph

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14
Q

What is the heart’s largest blood vessel?

A

The aorta

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15
Q

Blood passes from the left atrium to the

A

Left ventricle

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16
Q

What node is found in the right atrium?

A

The sinoatrial node

17
Q

What acts on the thyroid to secrete T3 and T4

A

TSH

18
Q

Which acts to release TSH

A

TRH

19
Q

What’s the biggest organelle in animal cells?

A

Nucleus

20
Q

What is a condenser?

A

Collects and focuses light from the illuminator onto the specimen

21
Q

Which sphincter functions in regulating and allowing chyme to pass from the stomach to the duodenum of the small intestine?

A

Pyloric sphincter

22
Q

What does the Sphincter of Oddi do?

A

Allows bile through the hepatopancreatic duct.

23
Q

What does the Cardiac sphincter do?

A

It is found between the esophagus and the stomach, preventing stomach acid from coming up to the esophagus

24
Q

what does the Ileocecal sphincter do?

A

It prevents the contents of the colon going back into the small intestine

25
Q

What allows food from the mouth to enter the esophagus?

A

The esophageal sphincter

OAT Bio (24 decks)

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