ZOO501 Midterm MCQs Set 2

Q1. Number of cortical granules Sea urchin 15000

Q2. Fertilin protein is essential for sperm-egg membrabe fusion found in Mammales

Q3. Which of the following uses all 3 modes of specification?Drosophila

Q4. The 1st evidence suggesting the importance of sperm in reproduction shown by Lazzaro Spallanzani

Q5. Transcription factors have ---------- major domains 3

Q6. Nuleosoms contain approximately ----------base pairs of DNA 140

Q7. Cadherins are ---------ion dependent adhesion molecules Calcium

Q8. Chordates are included in Deuterostomes

Q9. In Acetabularia development is controlled at --------- levels

both the transcriptional and translational

Q10. Estrogen is a hormone that can instruct which organ of the body to secrete the yolk proteins Liver

Q11. Metamorphosis is initiated by hormones from the tadpole's

Thyroid Gland

Q12. J.R.Whitakar worked on blastomere to check out which of the following enzyme

Acetylecholinesterase

Q13. A condition in which cell lacks the instructions for development is Naïve

Q14. Which of the following divide mitotically to produce all the cells of the body

Zygote

Q15. How many strategies involve in cell commitment 2

Q16. Which of the following Zona Pellucida of the mouse sperm binds ZP3

Q17. The resting membrane potential of the egg is 70mv

Q18. Calcium and bicarbonate ions may be critical in activating cAMP

Q19. One chemotactic molecule, a 14-amino acid peptide called Resact

Q20. The force for sperm propulsion is provided by Dyenin

1. J.R Whittaker stained blastomere in the presence of enzyme......(Acetylcholinesterase)
2. The nuclei region containing high amount bicoid will be instructed to activate those gene necessary for producing...(head)
3. A cytoplasm that contain many nuclei is called...(Syncytium)
4. Potency is...(intrinsic property)
5. Autonomial abnormalities may be caused by ....(mutant genes)