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TLS Online TPP Program

#Question id: 7292

How is plant cell cytokinesis different from animal cell cytokinesis?

#Unit 5. Developmental Biology

  1. The contractile filaments found in plant cells are structures composed of carbohydrates; the cleavage furrow in animal cells is composed of contractile proteins.

  2. Plant cells deposit vesicles containing cell wall building blocks on the metaphase plate; animal cells form a cleavage furrow.

  3. The structural proteins of plant cells separate the two cells; in animal cells, a cell membrane separates the two daughter cells.

  4. Plant cells divide after metaphase but before anaphase; animal cells divide after anaphase.

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TLS Online TPP Program

#Question id: 2142

#Unit 2. Cellular Organization

Glucose transport into erythrocytes is an example of
TLS Online TPP Program

#Question id: 2672

#Unit 2. Cellular Organization

What is the name of the stretch of DNA where RNA polymerase binds?
TLS Online TPP Program

#Question id: 7127

#Unit 5. Developmental Biology

The immunoglobulin genes are expressed in B-cells, and the b-globin gene is expressed in red blood cells. What manipulations might be carried out to get the b-globin gene to be expressed in B-cells?
TLS Online TPP Program

#Question id: 4166

#Unit 3. Fundamental Processes

At the ribosome the template mRNA is translated in the __ direction, while the protein is synthesized in the __ direction.
TLS Online TPP Program

#Question id: 12581

#Unit 10. Ecological Principles

Which of the following causes an increase in the intensity of UV radiation reaching the Earth?