Cell Biology Quiz: Microtubules, Cell Division, Organelles

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What is the formula for microtubule centrioles?

/9х3/0* (correct)

/9х2/2

/9х3/3

/9х2/0

During which process of cell division occurs a four-fold decrease in the number of chromosomes?

meiosis* (correct)

endomitosis

amitosis

mitosis

Which organelle is involved in the intracellular digestion of substances?

mitochondria

the peroxisome

Golgi complex

lysosomes* (correct)

What is a marker enzyme for peroxisomes?

catalase* Signup and view all the answers

The transfer of macromolecules through plasmolemma as a solution, colloid, or suspension is carried out by:

pinocytosis* Signup and view all the answers

What protein are microtubules composed of?

tubulin* Signup and view all the answers

During which stage does the implantation of the embryo in the uterine wall occur?

Blastocyst Signup and view all the answers

How many days after fertilization does the human embryo begin to implant into the uterus?

7 days Signup and view all the answers

From which of the following does the endoderm form?

Intestinal tube Signup and view all the answers

Which of the following is derived from the embryonic ectoderm?

Ganglion plate Signup and view all the answers

What type of human placenta exists?

Gemohorial Signup and view all the answers

Where do primordial germ cells form?

Endoderm of the yolk sac Signup and view all the answers

What is the allantois?

Digitule endoderm growing into the amniotic stem Signup and view all the answers

When does the acrosomal reaction occur?

Selection of sperm hyaluronidase and trypsin Signup and view all the answers

What is derived from mesenchyme splanchnotome?

Red blood cells Signup and view all the answers

What is cortical reaction?

Formation of fertilization membrane Signup and view all the answers

During which stage does the implantation of the embryo in the uterine wall occur?

Blastocyst stage Signup and view all the answers

What is the source of chorionic?

Trophoblast and extraembryonic endoderm Signup and view all the answers

When does the acrosomal reaction occur?

The penetration of sperm into the egg Signup and view all the answers

What is derived from mesenchyme splanchnotome?

Striated muscle tissue Signup and view all the answers

From which of the following does the endoderm form?

Dermatome Signup and view all the answers

Cell Biology Quiz: Microtubules, Cell Division, Organelles

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Questions and Answers

What is the formula for microtubule centrioles?

During which process of cell division occurs a four-fold decrease in the number of chromosomes?

Which organelle is involved in the intracellular digestion of substances?

What is a marker enzyme for peroxisomes?

The transfer of macromolecules through plasmolemma as a solution, colloid, or suspension is carried out by:

What protein are microtubules composed of?

During which stage does the implantation of the embryo in the uterine wall occur?

How many days after fertilization does the human embryo begin to implant into the uterus?

From which of the following does the endoderm form?

Which of the following is derived from the embryonic ectoderm?

What type of human placenta exists?

Where do primordial germ cells form?

What is the allantois?

When does the acrosomal reaction occur?

What is derived from mesenchyme splanchnotome?

What is cortical reaction?

During which stage does the implantation of the embryo in the uterine wall occur?

What is the source of chorionic?

When does the acrosomal reaction occur?

What is derived from mesenchyme splanchnotome?

From which of the following does the endoderm form?

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