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TLS Online TPP Program

#Question id: 7292

How is plant cell cytokinesis different from animal cell cytokinesis?

#I Life Science/ Life Sciences Group – I-V

  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: 3906

#SCPH28 | Zoology

Which subunit of the E. coli core RNA polymerase (a2bbʹw) contributes to DNA binding?

A) a                 B) b                 C) bʹ                D) w
TLS Online TPP Program

#Question id: 2687

#SCPH05 I Biotechnology

What is the correct order for increasing gene density?
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#Question id: 1085

#SCPH01 Biochemistry

Which of the following statements about a G protein signaling pathway is true?
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#Question id: 5761

#SCPH28 | Zoology

E. coli cells were spread on an agar plate, producing 1000 colonies.  The colonies are replica plated on two agar plates containing the antibiotic kanamycin and one agar plate without antibiotics.  All of the colonies are able to grow on the agar plate without antibiotic but only 4 colonies are able to grow on each of the agar plates containing kanamycin.  You notice that the four colonies that grew on each of the kanamycin containing plates are in the exact same position.  This demonstrates
TLS Online TPP Program

#Question id: 18677

#SCPH01 Biochemistry

Point mutations in DNA, such as occur in a range of human diseases, can be identified by