SIXTH GRADE PARTS OF THE CELL

What structure keeps harmful chemicals out of animal cells?

• a. The cell wall

• b. The nucleus

• c. The Golgi apparatus

• d. The cell membrane

What organelle(s) act(s) as "the boss" inside the cell?

• a. The alveoli

• b. The mitochondria

• c. The lysosomes

• d. The nucleus

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If you would like to find DNA in a cell, where would you look?

• a. Inside a cell's vacuoles

• b. Inside a cell's ribosomes

• c. Inside a cell's Golgi bodies

• d. Inside a cell's nucleus

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What do you call the gelatin-like mixture having organelles that flows throughout a cell ?

• a. Ectoplasm

• b. Endoplasm

• c. Plasma

• d. Cytoplasm

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Which structures break down food and release energy?

• a. Vacuoles

• b. Ribosomes

• c. Golgi bodies

• d. Mitochondria

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“Cells are the basic unit of structure of living things”. The word "structure" refers to the idea that cells

• a. Can grow

• b. Reproduce

• c. carry out the functions of living things

• d. compose all living things

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Read the following sentences from the text.

“But some creatures have just a single cell, like an amoeba. They are called unicellular organisms. Other creatures, like us human beings, are collections of cells. These are called multicellular organisms. Multicellular organisms can range in size from brown algae to large animals like elephants and whales, which have trillions of cells.

What can be concluded about cells based on this information?

• a. Cells can only support life if they are part of a multicellular organism

• b. Cells in multicellular organisms are stronger than unicellular organisms.

• c. Some cells can support life independently. Other cells support life collectively

• d. Unicellular organisms were once part of collections of cells

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The cell is the basic structural, functional, and biological unit of all known living organisms. A cell is the smallest unit of life that can replicate independently, and cells are often called the "building blocks of life". Animals, plants, protists, fungi, and even the smallest bacteria are cells or are made up by cells.

Cells have different types of shapes and sizes; nevertheless, the can be classified according to their complexity in two big groups: Animal and Plant cells

• True

• False

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Plants, animals, fungi, and protists are all eukaryotic. These cells are about fifteen times wider than a typical prokaryote and can be as much as a thousand times greater in volume. The main distinguishing feature of eukaryotes as compared to prokaryotes is compartmentalization: that means that

• a. the absence  of membrane-bound organelles (compartments) in which specific metabolic activities takeplace. Most important among these is a cell nucleus, an organelle that houses the cell's DNA.

• b. the presence of membrane-bound organelles (compartments) in which specific metabolic activities takeplace. Most important among these is a cell nucleus, an organelle that houses the cell's Mitochondria and the Golgi Aparatus

• c. All the options are correct

• d. the presence of membrane-bound organelles (compartments) in which specific metabolic activities takeplace. Most important among these is a cell nucleus, an organelle that houses the cell's DNA.

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The cytoplasm is the material or protoplasm within a living cell, excluding the cell nucleus.

• The Cytoskeleton

• bound organelles

• The Cytosol

• The Organelles

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