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TLS Online TPP Program

#Question id: 2984

Certain unicellular eukaryotes, including diatoms and some yeasts, have mechanisms of nuclear division that may resemble intermediate steps in the evolution of mitosis. Which of the following is a characteristic feature of nuclear division in these organisms?

#SCPH06 I Botany

  1. They reproduce by binary fission in their early stages of development and by mitosis when they are mature.

  2. They have circular chromosomes that are segregated by a mitotic spindle.

  3. Chromosomes are segregated by a mitotic spindle, but the nuclear envelope remains intact during division.

  4. Chromosomes are segregated by attachment to the plasma membrane.

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TLS Online TPP Program

#Question id: 17266

#SCPH28 | Zoology

First human social life in vertebrates and decline of woody plants appeared in ____
TLS Online TPP Program

#Question id: 355

#SCPH01 Biochemistry

Measurements show that the pH of a particular lake is 4.0. What is the hydroxide ion concentration of the lake?
TLS Online TPP Program

#Question id: 3889

#SCPH05 I Biotechnology

The operator region normally can be bound by:
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#Question id: 3860

#SCPH01 Biochemistry

Guide RNAs:
TLS Online TPP Program

#Question id: 20000

#SCPH01 Biochemistry

Example of Cross-reactivity
a) Dominant and recessive gene
b) Autoimmune disease
c) Blood group mismatch