14 Questions
What is the function of the dependent variable in an experiment?
It is what you are measuring or what you care about
Which scientists discovered that enzymes that destroy DNA and proteins respectively?
Oswald Avery, Colin MacLeod and Maclyn McCarty
What was the outcome of mixing harmless bacteria with material from heat-killed dangerous bacteria, as observed by Frederick Griffith?
The dangerous bacteria became harmless
Which variable in an experiment provides baseline information about the dependent variable?
Negative control
What does the independent variable represent in an experiment?
The potential cause being measured
"What is genetic material?" falls under which topic in the syllabus?
Introduction and DNA
Which group of scientists conducted an experiment involving mixing harmless bacteria with material from heat-killed dangerous bacteria?
Frederick Griffith
What is the role of enzymes that destroy DNA and proteins, as mentioned in the text?
Defense
What is the effect of a difference in 1 amino acid of the 300 amino acids that make up the beta subunit in Sickle Cell Disease?
Alters the primary structure
What is the role of the 5’ carbon atom of the sugar in DNA?
Binding phosphate groups
Which nitrogenous base is a purine?
Adenine
Which type of bond holds the two strands of DNA together?
Hydrogen bond
What does Erwin Chargaff's work in 1952 primarily contribute to in genetics?
Establishing base pairing rules in DNA
What is the function of most cellular processes that depend on proteins?
Catalysis
Study Notes
Experimental Design
- The dependent variable is the outcome or response being measured in an experiment.
- The independent variable represents the factor being manipulated or changed in an experiment.
- The controlled variable provides baseline information about the dependent variable.
Griffith's Experiment
- Frederick Griffith mixed harmless bacteria with material from heat-killed dangerous bacteria, resulting in the transformation of the harmless bacteria into a pathogenic form.
- This experiment was conducted by a group of scientists, including Frederick Griffith.
Enzymes
- Enzymes that destroy DNA and proteins, respectively, were discovered by scientists.
- These enzymes play a role in destroying DNA and proteins.
DNA Structure
- The 5’ carbon atom of the sugar in DNA plays a crucial role in its structure.
- The two strands of DNA are held together by hydrogen bonds.
- Adenine (A) is a purine nitrogenous base.
Sickle Cell Disease
- A difference in 1 amino acid of the 300 amino acids that make up the beta subunit leads to Sickle Cell Disease.
Genetics
- The question "What is genetic material?" falls under the topic of genetics.
- Erwin Chargaff's work in 1952 primarily contributed to the understanding of the structure of DNA in genetics.
Proteins
- Most cellular processes that depend on proteins are essential for maintaining cellular function.
This quiz covers the introduction to Genetics and Molecular Biology, including topics like DNA function, DNA structure, genome and chromosome structure, and RNA structure. It also includes syllabus information and an introduction to the course.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
