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Bio 142 > Bio Exam 2 > Flashcards

Bio Exam 2 Flashcards

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1
Q

What is the main difference between prokaryotes and eukaryotes?

A

The main difference is that eukaryotes have a nucleus and membrane-bound organelles, while prokaryotes do not.

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2
Q

True or False: Prokaryotes are typically smaller and simpler in structure compared to eukaryotes.

A

True

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3
Q

Fill in the blank: Prokaryotes lack a __________.

A

Nucleus

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4
Q

Which domain do prokaryotes belong to?

A

Bacteria and Archaea

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5
Q

What are examples of eukaryotic organisms?

A

Plants, animals, fungi, and protists

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6
Q

True or False: Eukaryotic cells are generally larger and more complex than prokaryotic cells.

A

True

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7
Q

What is the function of the nucleus in eukaryotic cells?

A

It houses the cell’s DNA and controls gene expression.

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8
Q

Which type of cells have membrane-bound organelles like mitochondria and endoplasmic reticulum?

A

Eukaryotic cells

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9
Q

Fill in the blank: Eukaryotic cells have a __________ that separates the genetic material from the rest of the cell.

A

Nucleus

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10
Q

What are the two main types of prokaryotes?

A

Bacteria and Archaea

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11
Q

True or False: Prokaryotic cells lack membrane-bound organelles.

A

True

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12
Q

What is the function of ribosomes in both prokaryotic and eukaryotic cells?

A

They are responsible for protein synthesis.

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13
Q

Fill in the blank: Prokaryotes have a __________ that contains the genetic material.

A

Nucleoid

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14
Q

True or False: Prokaryotic cells have a cell wall made of peptidoglycan.

A

True

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15
Q

What is the role of the cell wall in prokaryotic cells?

A

It provides structural support and protection.

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16
Q

Fill in the blank: Eukaryotic cells have __________ that perform specific functions within the cell.

A

Organelles

17
Q

True or False: Eukaryotic cells can be unicellular or multicellular.

A

True

18
Q

What is the cytoskeleton responsible for in eukaryotic cells?

A

It helps maintain cell shape, facilitates cell movement, and aids in cell division.

19
Q

Fill in the blank: Prokaryotic cells lack a __________ to compartmentalize cellular processes.

A

Nucleus

20
Q

True or False: Eukaryotic cells have a more complex internal structure due to the presence of membrane-bound organelles.

A

True

21
Q

What is the endosymbiotic theory in evolutionary biology?

A

It proposes that eukaryotic cells evolved from symbiotic relationships between prokaryotic cells.

22
Q

Fill in the blank: Eukaryotic cells have a __________ that regulates the movement of substances into and out of the cell.

A

Cell membrane

23
Q

True or False: Eukaryotic cells have a more complex process of cell division compared to prokaryotic cells.

A

True

24
Q

What are examples of prokaryotic organisms?

A

Bacteria and Archaea

Bio 142 (2 decks)

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