Practice Questions

TLS Online TPP Program

#Question id: 2063

In what way do the membranes of a eukaryotic cell vary?

#Section 2: General Biology

Phospholipids are found only in certain membranes.
Certain proteins are unique to each membrane.
Only certain membranes of the cell are selectively permeable.
Some membranes have hydrophobic surfaces exposed to the cytoplasm while others have hydrophilic surfaces facing the cytoplasm.

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TLS Online TPP Program

#Question id: 27347

#Section 3: Genetics, Cellular and Molecular Biology

The width (helical diameter) of the double helix in B-form DNA in nm is______?

TLS Online TPP Program

#Question id: 27348

#Section 3: Genetics, Cellular and Molecular Biology

What is the PAM site sequence for Cas9?

TLS Online TPP Program

#Question id: 27349

#Section 3: Genetics, Cellular and Molecular Biology

Why do bacteria have CRISPR? Check all that apply.

TLS Online TPP Program

#Question id: 27350

#Section 3: Genetics, Cellular and Molecular Biology

CRISPR can edit DNA. What organisms naturally has CRISPR?

TLS Online TPP Program

#Question id: 27350

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

CRISPR can edit DNA. What organisms naturally has CRISPR?

TLS Online TPP Program

#Question id: 27351

#Section 3: Genetics, Cellular and Molecular Biology

CRISPR-Cas9 is a type of __ system found in bacteria