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biology 100 > Bio Midterm 2 > Flashcards

Bio Midterm 2 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Nuclear membrane begins to break down in prophase

A

True

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2
Q

Chromosomes are at their maximum condensation in telophase

A

False

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3
Q

Random alignment of the homologous x somes happens at metaphase I?

A

True

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4
Q

There are two nuclear divisions in mitosis and one nuclear division in meiosis

A

False

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5
Q

Mitosis and cytokinesis give rise to two clones

A

True

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6
Q

A human primary oocyte can give rise to one one viable egg.

A

True

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7
Q

Sister chromatids are lined up at the equator of the spindle at :

A

Metaphase stage of mitosis

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8
Q

X somes are duplicated in

A

The S stage of interphase

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9
Q

Crossing over

A

All of the above

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10
Q

An XO woman is fertile?

A

False

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11
Q

Human males determine the gender of the offspring?

A

True

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12
Q

Charcot Marie tooth disease is an X linked dominant trait

A

True

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13
Q

xYY males are fertile

A

True

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14
Q

Non disjunction at interphase 1 or anaphase 2 frequently results in aneuploidy

A

True

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15
Q

Hemophiliac woman has child with normal man. Chance of hemophilia?

A

50%

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16
Q

X linked recessive disorder

A

Hemophilia

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17
Q

Individual has xxy genotype

A

Klinefelter syndrome

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18
Q

Autosomal recessive disorder

A

Cystic fibrosis

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19
Q

Cri-du-chat

A

Deletion

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20
Q

Individual has X0 genotype

A

Turner syndrome

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21
Q

Individual has three of number 21

A

Downs syndrome

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22
Q

SRY gene is located on

A

Y chromosome

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23
Q

Presence of three or more of each type of chromosome in gametes or somatic cells

A

Polyploidy

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24
Q

Adipose tissue cells are filled with lipids

A

True

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25
Q

Glial cells conduct nerve impulses while neurons support the glial cells

A

False

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26
Q

Endocrine glands produce and release hormones

A

True

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27
Q

In negative feedback, the stimuli are intensified several folds before homeostasis is resumed

A

False

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28
Q

The walls of the stomach are lined with skeletal muscle tissue

A

False

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29
Q

Collagen and elastin are typically found in connective tissue

A

True

30
Q

The function of simple squamos is diffusion

A

True

31
Q

Simple columnar epithelium is found in the lining if gut and respiratory tract

A

True

32
Q

The outer layer of skin is consisted of epithelium

A

False

33
Q

Striated and involuntary muscle

A

Cardiac muscle

34
Q

Glands are derived from

A

Epithelial tissue

35
Q

Specialized connective tissue that contains chondrocytes

A

Cartilage

36
Q

Tendons and ligaments consist of

A

Dense connective tissue

37
Q

A heat sensitive neuron in your skin is an example of a

A

Sensory receptor

38
Q

Which of following contains oxygen transporting protein hemoglobin

A

Red blood cells

39
Q

Respiration sensors respond to a rise in ____ by ____ the rate of breathing

A

CO2

Increasing

40
Q

Which ABO blood type us known as the universal donor

A

O

41
Q

Which isn’t component of plasma

A

Red blood cells

42
Q

Which is not involved in the formation of a blood clot

A

Albumin

43
Q

Which isn’t component of human respiratory system?

A

Esophagus

44
Q

What is the hormone that stimulates the bone marrow to produce more red blood cells.

A

Erythropoietin

45
Q

Excitation for a heart beat is initiated in the

A

Sinoatrial SA node

46
Q

Plasma is the cellular portion of blood

A

False

47
Q

Humans have open circulatory system

A

False

48
Q

Gas exchange takes place in alveoli

A

True

49
Q

Slower than normal heart beat

A

Bradycardia

50
Q

Receives blood from body

A

Right atrium

51
Q

Receives blood from lungs

A

Left atrium

52
Q

Pumps blood to lungs

A

Right ventricle

53
Q

Pumps blood to body

A

Left ventricle

54
Q

Faster than normal heart beat

A

Tachycardia

55
Q

In animal cells cytoplasmic division is done by furrowing?

A

True

56
Q

Genes

A

Units of info about traits

Each gene has a locus on a chromosome

57
Q

Allele

A

Various molecular forms of a gene for the same trait

58
Q

True breeding lineage

A

Offspring inherit identical alleles generation after generation.
Non identical alleles produce hybrid offspring

59
Q

Homozygous condition

A

Both alleles are the same

60
Q

Heterozygous condition

A

Alleles differ

61
Q

Homozygous dominant
Homozygous recessive
Heterozygous

A

AA
aa
Aa

62
Q

Genotype

A

Sum of genes

63
Q

Phenotype

A

How the genes are expressed

What you observe

64
Q

Epistasis

A

One gene pair influences other pairs.

65
Q

Aneuploidy

A

Gametes or cells of an effected individual end up with one extra or less chromosome.

66
Q

Polyploidy

A

Presence of three or more of each type of chromosome in gametes or cells

67
Q

Bone tissue

A

Stores minerals salts produces blood cells

68
Q

Adipose tissue

A

Specialized for fat storage

69
Q

Skeletal muscle

A

Attached to bones for voluntary movement

70
Q

Smooth muscle tissue

A

Contains spindle shaped cells.
Lines the gut and glands.
Involuntary

71
Q

Negative feedback

A

Detects a change in internal environment and brings conditions to the original state. Kinda like a thermo stat

biology 100 (3 decks)

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