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Biology : WNT || JUST 4 U ❤︝

A colorful illustration representing DNA double helix structure intertwined with WNT signaling pathways, featuring iconic scientists like Watson, Crick, and Franklin in a lab setting, surrounded by laboratory equipment and DNA models.

WNT Biology Quiz Challenge

Test your knowledge on WNT signaling pathways and DNA structure with our engaging quiz designed for biology enthusiasts!

Whether you're a student or just curious about molecular biology, this quiz offers:

10 challenging multiple choice questions
A chance to reinforce your understanding of fundamental concepts
Immediate feedback on your answers

10 Questions2 MinutesCreated by ExploringCell5

How do we describe transformation in bacteria?

The creation of a strand of DNA from an RNA molecule

The creation of a strand of RNA from a DNA molecule

The infection of cells by a phage DNA molecule

Assimilation of external DNA into a cell

Which of the following dyes were used for DNA staining?

Radioactive sulfur (s 35)

Radioactive phosphorus (p 32)

N 14 lighter isotope

N 15 heavy isotope

Cytosine makes up 42% of the nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be thymine?

16%

42%

31%

In an analysis of the nucleotide composition of DNA, which of the following will be found?

A = C

A = G and C = T

A + C = G + T

G + C = T + A

One of the following scientists discovered the double helix and explained Chargaff’s rules?

Watson and Crick

Erwin Chargaff

Rosalind Franklin

Frederick Griffith

Which of the following scientists use this X-ray crystallography?

Watson and Crick

Rosalind Franklin

Erwin Chargaff

Frederick Griffith

Which enzyme catalyzes the elongation of a DNA strand in the 5' → 3' direction?

Primase

DNA ligase

DNA polymerase III

Topoisomerase

Which of the following help(s) to hold the DNA strands apart while they are being replicated?

Primase

Ligase

DNA polymerase

Single-strand binding proteins

In a nucleosome, the DNA is wrapped around

Polymerase molecules.

Ribosomes.

Histones.

a thymine dimer

What are telomeres?

The structures that hold two sister chromatids together

Enzymes that elongate the DNA strand during replication

The sites of origin of DNA replication

The ends of linear chromosomes

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