Intro to Cells Levels of Organization Cell Theory Homeostasis Molecule

Who was the first scientist to observe cells?

• Schleiden

• Leeuwenhoek

• Robert Hooke

• Virchow

What is the significance of mitochondria as shown?

• Controls which substances go into and out of the cell.

• Helps take in food and convert it to energy the cell can use.

• Clear gel-like fluid that moves the organelles.

• Directs the cell's activities.

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What are two types of prokaryotes?

• Eubacteria and archaebacteria.

• Vaculoes and lysosomes.

• Amoebas and flagellum.

• Chloroplasts and proteins.

Which cell structure is the arrow pointing to?

• Mitochondria

• Cell Membrane

• Cell Wall

• Endoplasmic Reticulum

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What is the function of the nucleolus inside a cell's nucleus?

• It is a structure where ribosomes are made.

• A network of membranes that produces many substances.

• A clear, gel-like fluid that fills the nucleus.

• A green pigment that makes plants green.

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NGSS.MS-LS1-2

Which statement best classifies and describes the function of structure A?

• It is a large central vacuole where it stores food, water, and wastes.

• It is the nucleus where it contains the cell's DNA.

• It is the ER where it produces many substances for the plant cell.

• It is the golgi complex where it distributes materials to other organelles in the cell.

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NGSS.MS-LS1-2

Which of the following correctly defines what phospholipids are?

• A web of proteins in the cytoplasm.

• Lipids that contain phosphorus and are hydrophilic.

• A membrane-bound organelle that contains the cell's DNA.

• A lipid in which sugars are broken down to produce ATP.

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NGSS.MS-LS1-2

The diagram shows the typical structure of a plant cell. Which structure provides support and shape to the cell?

• Structure B - Cell wall

• Structure A- Large central vacuole

• Structure C- Nucleus

• Structure G- Golgi apparatus

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The ability to distinguish details on an object is called

• Zooming

• Graphics

• Magnification

• Resolution

Thin strands of material that fills the nucleus and contains information for directing a cell's function is called

• DNA

• Nuclear envelope

• Chromatin

• Chromosomes