Untitled Quiz

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Which protist has extensions called pseudopodia?

Slime mold

Ciliated protist

Chlamydomonas

Amoeba (correct)

What is the visible organelle in Chlamydomonas responsible for photosynthesis?

Starch granules

Nucleus

Mitochondrion

Chloroplast (correct)

How is Pandorina characterized?

Single-celled protist

Multicellular protist (correct)

Photosynthetic protist

Simple eukaryotic cell

What characteristic differentiates plant and animal cells?

Specialized cell functions Signup and view all the answers

In a corn cell, where is the nucleus located?

Right side of central cell Signup and view all the answers

What is a distinguishing feature found in plant cells?

Chloroplasts Signup and view all the answers

What is the primary function of trans-membrane proteins in cellular transport?

To create a water-filled pore for ions and small molecules to pass through Signup and view all the answers

Which molecules are able to pass through the cell membrane by simple diffusion?

Water, carbon dioxide, and oxygen Signup and view all the answers

What is the primary mechanism of apoptosis, or programmed cell death?

Chromatin degradation and mitochondrial breakdown Signup and view all the answers

What is the term for the process of ions and small molecules being forced through the cell membrane using ATP energy?

Active transport Signup and view all the answers

Which type of molecule is unable to pass through the cell membrane by simple diffusion?

Ions, including hydrogen ions Signup and view all the answers

What occurs to the cell membrane during apoptosis?

Phosphatidylserine is exposed on the surface Signup and view all the answers

What is the primary function of the secretory system in a cell?

to organize the synthesis, transport, and quality control of proteins and lipids Signup and view all the answers

What is the role of the nucleolus in the nucleus?

to act as a messenger to the DNA of the nucleus about cellular activity Signup and view all the answers

What is the function of centrioles in the nucleus?

to be involved in the process of mitosis Signup and view all the answers

What is the consequence of DNA damage in cells?

mutations and disruption of embryonic development can occur Signup and view all the answers

What is the function of peroxisomes in a cell?

to catalyse several reactions Signup and view all the answers

What is the function of lysosomes in a cell?

to degrade debris and recycle cellular waste Signup and view all the answers

What is the result of the absence of a lysosomal enzyme in nerve cells?

Fat buildup on nerve cells Signup and view all the answers

What is the primary function of mitochondria?

Energy production Signup and view all the answers

What is unique about mitochondrial DNA?

It is inherited solely from the mother Signup and view all the answers

What is a common symptom of mitochondrial disease?

Gastro-intestinal disorders and swallowing difficulties Signup and view all the answers

What is the role of the cytoskeleton in cells?

To provide structural integrity and shape to the cell Signup and view all the answers

What is the name of the protein that makes up microtubules?

Tubulin Signup and view all the answers

What is the primary function of the internal membrane systems in eukaryotic cells?

To separate competing metabolic processes Signup and view all the answers

What is the function of the cytoskeleton in eukaryotic cells?

To provide structural support to the cell Signup and view all the answers

What is the function of the outer membrane in eukaryotic cells?

To separate the cell from its environment Signup and view all the answers

What is the function of organelles in eukaryotic cells?

To concentrate enzymatic reactions and separate competing metabolic processes Signup and view all the answers

What is the function of the Golgi apparatus in eukaryotic cells?

To modify and package proteins and lipids Signup and view all the answers

What is the function of peroxisomes in eukaryotic cells?

To segregate harmful products from the rest of the cell Signup and view all the answers