dev bio 2

44問 • 1年前

ユーザ名非公開

通報

問題一覧

Process of creating gametes

Gametogenesis

Germ cells are set aside early in development

Gametogenesis

Migrate to the gonadsMigrate to the gonads

Gametogenesis

Undergo neurotic division to make haploid germ cells

Gametogenesis

What is the policy of the somatic cell that will undergo meiosis form gametes

diploid

How many cell divisions take place

mitosis and meiosis

What happens to the genome before the first division

dna replication

What phases in each meoitic division

prophase, anaphase, metaphase, telophase

How many progeny cells are made

Term for sperm production

spermatogenesis

Functional unit of testes

seminiferous tubules

Generates millions of sperm from spermatozoon's daily through spermatogenesis

seminiferous tubules

Oocyte production in the ovaries

oogenesis

Located adjacent to the basement membrane of seminiferous tubules

spermatogonia

Small, slightly stained, closely packed cells with bean shaped nucleus

spermatogonia

Very limited growth but larger in volume than spermatogonium

primary spermatocyte

Prophase 1 meiosis

primary spermatocyte

Nucleus are vesicular or lightly stained with chromatin threads

primary spermatocyte

Some have compactly arranged and darkly stained chromosomes

primary spermatocyte

Cells which are half the size of primary spermatocyte but smaller than spermatogonium

secondary spermatocyte

Cells of varied shapes since they are undergoing metamorphosis into mature sperm

spermatids

Some are darkly stained some are elongated

spermatids

Preparatory to the formation of flagella or tail

spermatids

Most prominent, darkly stained elongated cells with whiplike tails (FLAGELLA)

spermatozoa

High degree of mobility because of the presence of highly developed locomotor mechanism

spermatozoa

enter meiosis and produce sperm from puberty until death

spermatogonia

How many process of sperm production takes

few weeks

how many millions of soerms which can be released at once

100-500 million

Produce yellowing viscous fluid rich in fructose and other substances

seminal vesicle

Produce Whitish thin fluid containing proteolytic enzymes

prostate gland

Secrete clear secretion into the lumen of urethra to lubricate it

bulbourethral gland

Approximately 200-500 million spermatozoa produced in the _ ejaculation per

testes 2-5%

Amino acids, citrate, enzymes,flavins,fructose ( the main energy source of sperm cells which rely entirely on SUGARS from the seminal plasma for energy)

seminal vesicles 67-75%

Galactose, mucus (serve to increase the motility of sperm cells in the vaguna and cervix by creating less viscous channel for the sperm cells to swim through, and preventing their diffusion out of the semen.

bulbourethral gland (less than 1%)

Contributes to the cohesive jellyfish like texture of semen pre ejaculate, sialic acid

bulbourethral gland

Citric acid, fibrinolysin, prostate specific antigen, preolytic enzymes, zinc

prostate glands

How many level of zinc in healthy men

135/40

Serves to help DNA containing chromatin in the sperm cells.

zinc

zinc deficiency may result in lowered fertility because of increased sperm fragility and can adversely affect spermatogenesis

prostate gland 25-30%

Normal human sperm volume

2ml or greater

Normal human sperm PH

7.2-8.0

Normal human sperm concentration

20x106 spermatozoa/ml or more

Normal human sperm count

40x106 spermatozoa per ejaculate or more

Normal human sperm motility within 60 minutes of ejaculation

50% or more forward progression 25% or more with rapid progression

histology unit 1

ユーザ名非公開 · 49問 · 1年前

histology unit 1

49問 • 1年前

ユーザ名非公開

developmental biology

ユーザ名非公開 · 37問 · 1年前

developmental biology

37問 • 1年前

ユーザ名非公開

plant physiology lec unit 1

ユーザ名非公開 · 55問 · 1年前

plant physiology lec unit 1

55問 • 1年前

ユーザ名非公開

materials for histology technique

ユーザ名非公開 · 10問 · 1年前

materials for histology technique

histology unit 3

histology unit 3

plant physiology lec unit 2

ユーザ名非公開 · 65問 · 1年前

plant physiology lec unit 2

histology unit 2

histology unit 2

plamt physio unit 2.2

ユーザ名非公開 · 25問 · 1年前

plamt physio unit 2.2

dev bio lec

dev bio lec

plant physio lab

plant physio lab

plant physiology unit 3

ユーザ名非公開 · 29問 · 1年前

plant physiology unit 3

plant physio unit 4

plant physio unit 4

histo quiz

histo quiz

animal physio

animal physio

glial cells

glial cells

immunology

immunology

imunology 2 oral

imunology 2 oral

unit 1 biotechnology

unit 1 biotechnology

unit 3 central dogma and replication

ユーザ名非公開 · 16問 · 1年前

unit 3 central dogma and replication

unit 3 transcription

unit 3 transcription

unit 3 translation

unit 3 translation

unit 2 genetic material

ユーザ名非公開 · 6問 · 1年前

unit 2 genetic material

6問 • 1年前

ユーザ名非公開

問題一覧

Process of creating gametes

Gametogenesis

Germ cells are set aside early in development

Gametogenesis

Migrate to the gonadsMigrate to the gonads

Gametogenesis

Undergo neurotic division to make haploid germ cells

Gametogenesis

What is the policy of the somatic cell that will undergo meiosis form gametes

diploid

How many cell divisions take place

mitosis and meiosis

What happens to the genome before the first division

dna replication

What phases in each meoitic division

prophase, anaphase, metaphase, telophase

How many progeny cells are made

Term for sperm production

spermatogenesis

Functional unit of testes

seminiferous tubules

Generates millions of sperm from spermatozoon's daily through spermatogenesis

seminiferous tubules

Oocyte production in the ovaries

oogenesis

Located adjacent to the basement membrane of seminiferous tubules

spermatogonia

Small, slightly stained, closely packed cells with bean shaped nucleus

spermatogonia

Very limited growth but larger in volume than spermatogonium

primary spermatocyte

Prophase 1 meiosis

primary spermatocyte

Nucleus are vesicular or lightly stained with chromatin threads

primary spermatocyte

Some have compactly arranged and darkly stained chromosomes

primary spermatocyte

Cells which are half the size of primary spermatocyte but smaller than spermatogonium

secondary spermatocyte

Cells of varied shapes since they are undergoing metamorphosis into mature sperm

spermatids

Some are darkly stained some are elongated

spermatids

Preparatory to the formation of flagella or tail

spermatids

Most prominent, darkly stained elongated cells with whiplike tails (FLAGELLA)

spermatozoa

High degree of mobility because of the presence of highly developed locomotor mechanism

spermatozoa

enter meiosis and produce sperm from puberty until death

spermatogonia

How many process of sperm production takes

few weeks

how many millions of soerms which can be released at once

100-500 million

Produce yellowing viscous fluid rich in fructose and other substances

seminal vesicle

Produce Whitish thin fluid containing proteolytic enzymes

prostate gland

Secrete clear secretion into the lumen of urethra to lubricate it

bulbourethral gland

Approximately 200-500 million spermatozoa produced in the _ ejaculation per

testes 2-5%

Amino acids, citrate, enzymes,flavins,fructose ( the main energy source of sperm cells which rely entirely on SUGARS from the seminal plasma for energy)

seminal vesicles 67-75%

bulbourethral gland (less than 1%)

Contributes to the cohesive jellyfish like texture of semen pre ejaculate, sialic acid

bulbourethral gland

Citric acid, fibrinolysin, prostate specific antigen, preolytic enzymes, zinc

prostate glands

How many level of zinc in healthy men

135/40

Serves to help DNA containing chromatin in the sperm cells.

zinc

zinc deficiency may result in lowered fertility because of increased sperm fragility and can adversely affect spermatogenesis

prostate gland 25-30%

Normal human sperm volume

2ml or greater

Normal human sperm PH

7.2-8.0

Normal human sperm concentration

20x106 spermatozoa/ml or more

Normal human sperm count

40x106 spermatozoa per ejaculate or more

Normal human sperm motility within 60 minutes of ejaculation

50% or more forward progression 25% or more with rapid progression