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TLS Online TPP Program

#Question id: 28429

At which stage the primitive streak cells form a third layer that lies between the hypoblast and epiblast cells?

#Unit 5. Developmental Biology
  1. by stage 2 at 12–14 hours after the egg is laid
  2. by stage 3 at 12–14 hours after the egg is laid
  3. by stage 3 at 15–17 hours post laying
  4. by stage 2 at  15–17 hours post laying
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TLS Online TPP Program

#Question id: 2296

#Unit 2. Cellular Organization

Small metabolites, such as sugar and ions, pass between plant cells via _______
TLS Online TPP Program

#Question id: 2297

#Unit 2. Cellular Organization

Which structure is composed of phospholipids and regulates the movement of substances in and out of cells?
TLS Online TPP Program

#Question id: 2298

#Unit 2. Cellular Organization

The endoplasmic reticulum and ribosomes are both involved in   
TLS Online TPP Program

#Question id: 2299

#Unit 2. Cellular Organization

_______ are plastids containing carotenoid pigments, and _______ are plastids containing starches.
TLS Online TPP Program

#Question id: 2300

#Unit 2. Cellular Organization

Which of the following is not found in cell sap?
TLS Online TPP Program

#Question id: 2301

#Unit 2. Cellular Organization

Microtubules are involved in the.