Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biology 111 > Test 3 > Flashcards

Test 3 Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
0
Q

Disadvantages of asexual reproduction

A

Offspring genetically the same
Environment changes
Population dies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Advantages of asexual reproduction

A

No mate
Reproduce when sessile
Multiply quickly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Advantages of sexual reproduction

A

Creation of offspring
Genetic variability
Better survival

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Disadvantages of sexual reproduction?

A

Needs mate

Takes time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Sperm

Define and give function

A

Male gamete

Testes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Egg

Define and give function

A

Female gamete

Ovaries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

FSH

Where is it produced?
What does it do in male?
Female?

A

Follicle stimulation hormone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

LH

Where is it produced?
What does it do in male?
Female?

A

Lutenizing hormone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Withdrawal

Define and How does it work?

A

The withdrawal of penis from vagina before ejaculation.

Ineffective

Sperm is present even before ejaculation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Rhythm method or Family planning

Define and how does it work?

A

No intercourse during fertile period.
Difficult : ovulation time unknown.
High failure rate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The pill

Define and how does it work

A

Hormones released into female body (estrogen/progesterone)

Most effective

Different forms and dosages

Thickens cervical mucous. Prevents ovulation.
Prevents fertilization. Must take same time every day.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The mini pill

Define an how does it work

A

Not quite as effective as the “pill”

Less hormones (progestogen)

Thickens cervical mucous. Prevents ovulation. Thins uterine lining. Need prescription. Good for wan who cannot take the pill.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Deprovera (drop-provera)

Define and how does it work?

A

3 month shot. Releases high levels of progesterone. Stops ovulation. Thins uterine lining. Thickens cervical mucous.
Need prescription. Have to get it every 3 months.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Norplant

Define and how does it work?

A

6 tiny silicone rods. They get implanted under skin. 24 hours of progestin released. You can leave it in as long as 5 years. May cause skin irritation. Works the same as the mini pill

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

zygote

A

structure after fertilization of sperm and egg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Morula

A

ball of 16-32 cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

blastula

A

stage of development when the structure is a fluid filled ball

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

gastrula

A

stage of development when the structure is undergoing gastrulation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

neurula

A

stage of development when the structure is undergoing neurulation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

gastrulation

A

formation of 3 germ layers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

neurulation

A

when the nervous system forms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

implantation

A

when the blastocyst implants in the uterine lining

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

ovary

A

female reproductive structure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

follicle

A

glandular sac that contains ova in ovary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

corpus luteum

A

leftover follicle after ovulation that produces progesterone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

fimbriae

A

finger like projections that pull egg into ovaduct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

uterus

A

muscular structure where embryo/fetus develops

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

endometrium

A

inner lining of uterus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

clitoris

A

structure with the erectile tissue in females

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

vulva

A

all the outer female reproductive structures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

urethra

A

tube that carries urine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

labia minora

A

fatty folds around vulva

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

labia major

A

outer folds around vulva

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

vagina

A

birth canal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

testes

A

male reproductive organ

35
Q

penis

A

male copulatory organ

36
Q

vasdeferens

A

tube that carries sperm from epididymus to urethra

37
Q

seminal vessicles

A

gland that provides food for sperm

38
Q

seminiferous tubules

A

tube for sperm, are produced in testes

39
Q

bulbourethral gland

A

gland that produces alkaline solution for sperm

40
Q

prostate

A

gland that produces alkaline solution for semen

41
Q

scrotum

A

sac that holds testes

42
Q

ovulation

A

egg (secondary oocyte leaves the ovary)

43
Q

menstration

A

sloughing of the endometrium

44
Q

embryo

A

after cleavage occurs (8-9 weeks)

45
Q

fetus

A

after 9 weeks to birth

46
Q

semen

A

fluid that contains alkaline solutions

47
Q

ejaculation

A

semen is voided from urethra

48
Q

gametogenesis

A

formation of gametes

49
Q

spermatogenesis

A

formation of sperm

50
Q

oogenesis

A

formation of eggs

51
Q

cleavage

A

cell division without growth

52
Q

apoptosis

A

programed cell death

53
Q

induction

A

when a group of cells influences development of other structures

54
Q

hCG

A

embryo - maintains uterine lining until placenta is born

55
Q

Oxycontin

A

placenta/uterine walls - helps with contractions

56
Q

4 sperm
1 egg
3 polar bodies

A

.

57
Q

implantation

A

6 days after fertilization

58
Q

trimesters of pregnancy

A

1st - structures are formed
2nd - structures are refined
3rd - prepares for birth

59
Q

virus

A

herpes
human papoloma
HIV

60
Q

bacteria

A

clamydia
syphallis
ghonorrhea

61
Q

fungal

A

candida

62
Q

protozoan

A

trichomoniasis

63
Q

virus

A

genetic material inside a protein coat

64
Q

allele

A

alternate form of a gene

65
Q

gene

A

section of chromosome that codes for a protein

66
Q

heterozygous

A

different alleles

67
Q

homozygous

A

same alleles

68
Q

dominant

A

allele that is always expressed

69
Q

recessive

A

need both alleles to be expressed

70
Q

genotype

A

what are the alleles

71
Q

phenotype

A

physical appearance

72
Q

P

A

parents

73
Q

F1

A

kids

74
Q

F2

A

grandkids

75
Q

incomplete dominance

A

when heterozygous is in between or a mixture of dominant or recessive traits

76
Q

co dominance

A

where there is more than 1 allele that is dominant - blood type

77
Q

Pleio trophy

A

single trait causes many phenotypes

78
Q

carrier

A

carries recessive trait

79
Q

antigen

A

protein on the surface of a cell

80
Q

antibody

A

protein in the blood plasma

81
Q

epistasis

A

when a gene prevents the expression of another gene

82
Q

barrbody

A

inactive x chromosome in a female

83
Q

X inactivation

A

one of the x chromosomes in a fetus turns off early in embryonic development

84
Q

polygenic

A

more than one gene contributes to a physical trait

85
Q

multi factorial

A

when environment effects a trait

Biology 111 (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions