DE Bio. 181 Part 1 Practice Review

Which of the following is NOT part of the Cell Theory?

• The cell is the basic unit of life in all organisms.
• All cells are produced by the division of pre-existing cells.
• All cells contain organelles or parts only.
• All organisms are composed of one or more cells.

The Scientist that discovered cells looking like tiny boxes through a piece of a "cork".

• Louis Pasteur
• Robert Hooke
• Matthias Schleiden
• Anton van Leuwenhoek

Used a handmade microscope to observe pond scum & discovered single-celled organisms which he termed as “animalcules”.

• Theodore Schwann
• Matthias Schleiden
• Rudolf Virchow
• Anton van Leuwenhoek

The nucleoid is a region inside cell which contains the genetic material but is not surrounded by a nuclear membrane.

• 2
• 3
• 4
• 6

The outermost layer of the bacterial cell that provides protection.

• #7 - cell wall
• #1 - capsule
• #8 - capsule
• #8 - cell wall

These are tubules and filaments give the cell its shape and provide support.

• Centrioles
• Lysosomes
• Endoplasmic reticulum
• Cytoskeleton

Which of the following is not a function of the nucleus in a cell?

• Control center of the cell that controls various metabolic processes.
• Structure that contains DNA
• Small structure that synthesizes or produces proteins.
• Organelle that regulates or controls genes.

What role do centrioles do in the entire cell?

• Kinetic center of the cell, organize motion of chromosomes during cell division.
• Structures that manufacture ribosomes.
• Sacs that serve as a temporary storage reservoir of water, nutrients, or waste products.
• Give the cell its shape.

Tags

NGSS.HS-LS1-4

Which of the following statements does not describe a Eukaryotic cell?

• Has nucleus and other special subcellular compartments
• Has absence of nuclear membrane
• Mostly multicellular
• Mostly macroscopic

What is true among Prokaryotes?

• Consist of nucleic acid & protein
• Has chlorophyll found in chloroplast
• Has presence of nuclear membrane
• Absence of mitochondrion & other membrane-bound organelles