Biology Flashcards

1
Q

The human pelvic girdle is composed of 3 fused bones on each side for a total of 6 bones. Name the 3 fused bones.

A

Ilium, ischium, and pubis

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2
Q

What are rings of muscle which CLOSE body openings such as the lips called?

A

Sphincters

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3
Q

The alternative forms of a gene at the same locus on homologous chromosomes are called what?

A

Alleles

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4
Q

The myofilaments of muscles consist primarily of two proteins. These proteins are called??

A

Actin and myosin

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5
Q

In studies of the human body, what word is used to describe (“name”) a blood-filled sac formed by an outpouching in an arterial or venous wall?

A

Aneurysm

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6
Q

What Roman physician’s studies of human anatomy based on lower animals served as the only text on the subject for centuries?

A

Galen

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7
Q

What percentage of the atmosphere consists of carbon dioxide?

A

0.03%

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8
Q

What percentage of the atmosphere consists of oxygen?

A

21%

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9
Q

What percentage of the atmosphere consists of nitrogen?

A

77%

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10
Q

What process in all living things releases carbon dioxide as a waste product?

A

Respiration or cellular respiration

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11
Q

List the taxonomic categories from least specific to most specific.

A

Kingdom, phylum, class, order, family, genus, species. The mnemonic is King Phillip Came Over For Good Spaghetti.

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12
Q

In biology, what is the word used to describe the appearance of an individual without regard to its hereditary constitution?

A

Phenotype

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13
Q

The chromosome responsible for characteristics other than sex are known by what term?

A

Autosomes

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14
Q

What genetic term describes the situation when a part of a chromosome is broken off and lost?

A

Chromosomal deletion

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15
Q

What is the term given to a fatty acid that has more than one set of double bonds between carbon atoms?

A

Polyunsaturated

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16
Q

The process by which an amino acid loses it amino group is called?

A

Deamination

17
Q

In the first stage of carbohydrate metabolism, glucose is first broken down into what acid?

A

Pyruvic acid or pyruvate

18
Q

An individual with three X chromosomes is likely to be?

A

An abnormal female

19
Q

Who is considered the father of Taxonomy?

A

(Carolus) Linnaeus

20
Q

What molecule is the energy source for virtually all of the work done by the cell?

A

ATP (Adenosine TriPhosphate)

21
Q

Proteins that cause reaction to proceed more rapidly and lower the energy of activation are called?

A

Enzymes

22
Q

Why can’t humans digest cellulose?

A

Humans lack the proper enzymes

23
Q

Cholesterol, estrogen, and testosterone are all examples of _______?

A

Steroids

24
Q

How many PAIRS of nerves leave the vertebrate brain?

A

12

25
Q

What is the name given to all of the pairs of nerves that leave the vertebrate brain?

A

Cranial nerves