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OAT Bio > Question of the Day II > Flashcards

Question of the Day II Flashcards

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Biology 101 flashcards
1
Q

What is responsible for the formation of the lens of the eye?

A

Ectoderm

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2
Q

The Mesoderm is a germ layer which gives rise to?

A

Connective tissue + Muscles

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3
Q

The endoderm is a germ layer which gives rise to?

A

Liver

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4
Q

What germ layer gives rise to the nervous system?

A

Ectoderm

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5
Q

What are the products of the Citric Acid Cycle?

A

6 NADH, 2 FADH2, 2 ATP, 4 CO2

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6
Q

The Medulla Oblongata functions in controlling:

A

Breathing rate, heart rate, Blood Pressure + Reflexes

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7
Q

In a sample with 46 homologous pairs of chromosomes, what is the total number of chromatids present in the sample?

A

184 chromatids because 92 chromosomes

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8
Q

Carbohydrate digestion begins in the

A

Mouth with the initial breakdown via salivary amylase

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9
Q

Protein digestion begins in the

A

Stomach via hydrochloric acid and the enzyme pepsin.

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10
Q

During starvation, why is glucagon released by the alpha cells of the pancreas?

A

To signal the liver to break down stored glycogen into free glucose molecules, which go to lacking places

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11
Q

What does Ghrelin do?

A

Signals the body and lets it know that it’s hungry

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12
Q

What does the liver release during times of starvation?

A

Ketone bodies

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13
Q

Hormones composed of steroids are synthesized in which of the following organelles in the cell?

A

Smooth ER

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14
Q

Which hormone is associated with contractions during childbirth?

A

Oxytocin

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15
Q

Cnidarians do not possess a

A

Circulatory system

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16
Q

What is a Apoenzyme?

A

An enzyme without a co-factor

17
Q

What is a holoenzyme?

A

An apoenzyme + co-factor

18
Q

What are purines?

A

Adenine + Guanine

19
Q

What are pyrimidines?

A

Uracil + Cytosine + Thymine

20
Q

What is the function of the Epididymis?

A

Stores sperm

21
Q

What is the function of the Oviduct?

A

It is the site of fertilization

22
Q

What is the Vas deferens?

A

A tube which transports the sperm to the urethra

23
Q

What is the function of the Seminal vesicles?

A

They give sperm alkaline based protection to neutralize acidity of vagina

24
Q

What is the functional unit of the liver called?

A

Lobule

25
Q

Which hormone is responsible for red blood cell production?

A

Erythropoietin, which is produced in the kidneys and travels to the bone marrow

26
Q

Which part of the pancreas functions as the endocrine system of the organ?

A

Islets of Langerhans

27
Q

Describe the Islets of Langerhans

A

Contain alpha and beta cells, which release glucagon and insulin

OAT Bio (24 decks)

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