Find correct True and False statements

A. Human females have 23 different chromosomes, whereas human males have 24.

B. In the living cell, chromatin usually adopts the extended “beads-on-astring” form.

C. The four core histones are relatively small proteins with a very high proportion of positively charged amino acids; the positive charge helps the histones bind tightly to DNA, regardless of its nucleotide sequence.

D. Nucleosomes bind DNA so tightly that they cannot move from the positions where they are first assembled.

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#Question id: 1473

#Unit 4. Cell Communication and Cell Signaling

A cluster of tumor cells that produces and secretes growth factors to induce surrounding cells to grow and divide is showing which type of cell-to-cell signaling?

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#Question id: 26862

#Unit 10. Ecological Principles

Which of the following is the correct prediction about Consumption efficiency ?

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#Question id: 5534

#Unit 5. Developmental Biology

In meroblastic cleavage, cleavage happens only in the

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#Question id: 17270

#Unit 13. Methods in Biology

which of the following are the three important components of Electrophoresis 

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#Question id: 23105

#Unit 2. Cellular Organization

What is 2nd level (making 30 nm) of compaction while making/packaging the nucleosome