Biochemistry Basics Quiz
Biochemistry Basics Quiz
Test your knowledge on biochemistry with our engaging quiz! Dive into various topics including metabolic reactions, protein structures, and more.
This quiz includes:
- 10 multiple-choice questions
- A focus on proteins, reactions, and cellular processes
- Fun and educational experience
The diagram provided shows a triglyceride being formed. What type of reaction is shown in the diagram?
Condensation
Hydrolysis
Insertion
Oxidation
Which of the following is a protein that is expected to be found in milk protein analysis?
Thyroxine
Chromatin
Lactose
Casein
Which of the following best explains the structure of a polypeptide?
A polypeptide is a chain of amino acids joined together by peptide bonds between the carboxyl group of one and the amino group of another.
A polypeptide is a chain of amino acids joined together by carboxyl bonds between the amino groups of each amino acid.
A polypeptide is a protein formed by the joining of three amino acids to a glycerol molecule.
A polypeptide is a chain of proteins joined by peptide bonds between the hydrogens of each protein.
The picture given shows the results of some solutions that have been tested for the presence of starch. Which labeled sample shows a negative result for the presence of starch?
Neither sample
X
Y
X & Y
Which metabolic reaction in plants uses light energy to produce glucose and oxygen?
Transpiration
Respiration
Photosynthesis
Oxidation
The lactic acid that builds up in the body after anaerobic respiration is transported to the liver. What sugar does the liver convert the lactic acid into?
Fructose
Ribose
Glucose
Sucrose
Virchow is credited with several key discoveries. Which of the following discoveries was related to cell theory?
The definition of the cell as the basic unit of a plant’s structure
All living cells can only arise by cell division from pre-existing cells
All diseases involving changes in normal cells
None of the answers is correct.
Which of the following conditions is most likely to damage a cell membrane and increase its permeability?
Low temperatures (4– 1 0 ∘ C )
Organic solvents
Hypertonic solutions
Polar solvents
How do ions and relatively large polar molecules pass through cell membranes?
They pass through the hydrophobic tails found in the cell membranes.
They pass through the fatty acids found in the cell membranes.
They pass through proteins found in the cell membranes.
They pass through the hydrophilic heads found in the cell membranes.
The inner membrane of a mitochondrion is highly folded, as shown in the figure. How does this feature help the mitochondrion perform its function?
It decreases the permeability of the membrane so the reactants of respiration stay inside.
It reduces the size of the organelle so it fits in the cytoplasm.
It increases the surface area for the reactions of photosynthesis.
It increases the surface area for the reactions of respiration.
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