Free Printable cell

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cell

Total questions: 14

Worksheet time: 11mins

Name

Class

Date

The levels of organization from the simplest to the most complex are

Cells, tissues, organs, organ systems, organism

Organisms, organs, tissues, cells, organ systems

Cells, organs, organ systems, tissues, organism

Tissues, cells, organs, organism

What do all of these organisms have in common?

They all have uniform offspring

They are all made of cells

They possess the same features

They have the same internal and external structures

In cell biology, the nucleus is a membrane-enclosed organelle found in eukaryotic cells. Eukaryotes usually have a single nucleus, but a few cell types, such as mammalian red blood cells, have no nuclei, and a few others have many. Which is the role of nucleus in eukaryotes?

Structure that organizes motion of chromosomes.

Structure that contains DNA and directs the cell

Membrane that surrounds and protects the cell

Stack of membranes that packages chemicals

Examine the cell diagrams shown. Which of the following choices identifies the eukaryotic cell for the correct reason?

Cell A, because it is a single cell

Cell A, because a nuclear membrane contains the cell’s DNA

Cell B, because it is much smaller

Cell B, because it contains genetic material

Which is true of prokaryotic and eukaryotic cells?

Prokaryotic cells are larger than eukaryotic cells.

Eukaryotic cells do not have nucleus, and prokaryotic cells do have nuclei.

Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.

Eukaryotic cells are simpler than prokaryotic cells.

Plants have a large ______________ for storing water.

mitochondria

nucleus

vacuole

golgi body

_________________ is the study of life.

Cytology

Physiology

Biology

Anatomy

All prokaryotes are single-celled organisms. Compare prokaryotes and eukaryotes. Select the characteristics that only apply to prokaryotes.

These cells have DNA in a region called the nucleoid

Some of these cells have structures like flagella and microvilla

These cells have cell walls made of polypeptides and polysaccharides

These cells have cell walls made of cellulose

These cells have DNA contained in a nucleus

The part of the cell that contains the living substance of the cell, excluding the nucleus, is the _____.

nucleus

cell membrane

cytoplasm

cell wall

10.

The spherical object within a cell that controls its activity is the _____.

mitochondria

nucleus

ribosome

membrane

11.

Schleiden and Schwann believed _____.

that organisms were the basic unit of life

that both cells and organisms were basic units of life

that the questions of the basic unit of life were too abstract to answer

none of the above

12.

When viewing a cork through his homemade microscope, Robert Hook discovered small compartments that he called _____.

boxes

cells

prokaryotes

eukaryotes

13.

The main site for synthesis of lipids

RER

SER

Golgi apparatus

Lysosomes

14.

The term Cell was coined by

Robert Hooke

Robert Brown

JE Purkinje

AV Leeuwenhoek

Reset

cell

Total questions: 14

Worksheet time: 11mins

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