Embryology Part 1

Question 1

Which vital property of a cell is directly associated with actin filaments?

Answer 1

Contractility

Question 2

Which cells have an abundance in actin filaments?

Answer 2

Muscle cells

Question 3

What is the biological science branch that focuses on the study of the individual in the prenatal stage?

Answer 3

Embryology

Question 4

What begins with gametogenesis and ends at birth?

Answer 4

Embryology

Question 5

What are male cells called?

Answer 5

Spermatozoa

Question 6

What are female cells called?

Answer 6

Oocytes

Question 7

What is the result of oocyte + spermatozoa?

Answer 7

Zygote

Question 8

Where is spermatozoids deposited in the female?

Answer 8

Vagina or uterus

Question 9

What protects seminal secretions?

Answer 9

pH

Question 10

What is the loss of surface cholesterol and glycoproteins?

Answer 10

Spermatozoa capacitation

Question 11

During capacitation, what does the acrosome membrane fuse with?

Answer 11

Spermatozoon

Question 12

What is made of golgi’s apparatus and enzymes?

Answer 12

Acrosome

Question 13

What part of the oocyte do spermatozoon break through?

Answer 13

Corona radiata

Question 14

What part of the oocyte do spermatozoon penetrate?

Answer 14

Zona pellucida

Question 15

Where is the genomic material from spermatozoon released into in the oocyte?

Answer 15

Cytosol

Question 16

Which meiosis, 1 or 2, does oocyte complete?

Answer 16

Meiosis 2

Question 17

Fusion of pronuclei=

Answer 17

Zygote

Question 18

Which process beings via mitosis?

Answer 18

Growth

Question 19

In bird, does the female or male determine the sex of the offspring?

Answer 19

Female

Question 20

During which phase does:
Zygote divides into blastomeres
Blasteromeres form a sphere- morula
Morula differentiates into- trophoblast and embryoblast
Morula migrates to uterine body- blastocyst
Blastocyst= END

Answer 20

Segmentation/Cleavage

Question 21

During which phase does this happen:
Embryoblasts goes from a collection of cells to 3 tissue types- ectoderm, endoderm, mesoderm

Answer 21

Gastrulation

Question 22

Which -derm, of gastrulation has the following:
Primitive node and groove
Notochord = END

Answer 22

Ectoderm