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Cell Biology

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Questions and Answers

Which of the following is the smallest unit that can live on its own and makes up all living organisms and the tissues of the body?

Organelle

Tissue

Molecule

Cell (correct)

What do biologists use to study cells?

Telescopes

Cameras

Magnifying glasses

Microscopes (correct)

Which type of microscope captures fluorescence?

Fluorescent microscope (correct)

Scanning electron microscope (SEM)

Light microscope

Transmission electron microscope (TEM)

What do electron microscopes use to visualize cells?

Beams of electrons Signup and view all the answers

Which type of microscope is used to study the fine details of cell surfaces?

Scanning electron microscope (SEM) Signup and view all the answers

Which of the following is true about proteins?

Proteins are polymers of amino acids Signup and view all the answers

What is the function of enzymatic proteins?

Accelerate specific chemical reactions Signup and view all the answers

What is the variable part of an amino acid called?

Side chain Signup and view all the answers

What is the percentage of dry mass of most cells that is accounted for by proteins?

Around 50% Signup and view all the answers

How many different amino acids make up proteins?

20 Signup and view all the answers