Biology : WNT || JUST 4 U ❤
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
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?
8%
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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