Which of the following can be regarded as unipotent stem cells. A Germ cells B Induced-pluripotent stem cells Adult stem cells Embryonic stem cells Primordial germ cells that have not reach the gonads
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A:
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Q: totipotent
A: A cell is the structural and functional unit of life.
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Q: The refers to the potential that a stem cell has to give rise to many different cell types.
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A: What process control the cell number during development?
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- _________ is the gene-guided process by which cells in different locations in the embryo become specialized. a. Implantation b. Neurulation c. Cell differentiation d. MorphogenesisWhat multipotent stem cells from children sometimesbanked by parents?a. fetal stem cellsb. embryonic stem cellsc. cells from the umbilical cord and from baby teethd. hematopoietic stem cells from red and whiteblood cellsThe cluster of developing cells from conception birth is called an
- Which of the following cells develops into a human embryo?A. TrophoblastB. Extraembryonic membraneC. Inner cell massD. CumulusE. All of the aboveFill in the blank: _________________ is the phase of development during which cellular divisions result in smaller and smallercells.Which of the following does not occur during cleavage?A. Rapid DNA synthesisB. Cell growthC. Differential distribution of nutrients and information moleculesD. A rapid series of cell divisionsE. Formation of the blastula
- A normal somatic cell in horses has 64 chromosomes. Give the number of chromosomes and number of DNA molecules that will be present in the following horse cells: spermatogonia, first polar body, primary oocyte and, secondary spermatocyte.Which of the following DOES NOT describe G0 Phase?* A. Cells enter the senescent stage of G0 undergo cell division. B.Nerve cells and heart cells enter G0 phase. C.Cells enter the quiescent stage of GO temporarily. D.Cells enter the senescent stage of G0 permanently.The Embryonic stem cells can be derived from _______ which is developed by “invitro fertilization”.a) late embryo b) early embryo c) embryo d) zygote
- Senescence markers are highly exhibited by these groups of cells (Choose all that apply); Group of answer choices Aged cells Damaged cells Malignant cells Premalignant cellsWhich of the following would lead to increased progression through the G1/S cell cycle check point? CDK is produced at lower than normal levels. E2F is produced at lower than normal levels. Cyclin D and E are produced at lower than normal levels. Retinoblastoma protein was never phosphorylated. Retinoblastoma protein is produced at lower than normal levels._____________ stem cells are capable of differentiating into nearly all cell types, while _________________ stem cells can only differentiate into a limited number of cell types.