Unit 1 Cells Review

The basic building block that provides structure and function to living things is the-

• organ

• molecule

• cell

• organelle

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

According to the cell theory, which one of the following statements is correct?

• Cells carry out all the functions of life

• Only animal cells are alive

• Only animal cells contain a nucleus

• Cells are parts of living things, but are not themselves alive

Tags

NGSS.MS-LS1-1

Which one of the following most likely led to the development of the cell theory?

• Use of a five-kingdom classification system

• Invention of the microscope and development of microscopic techniques

• Discovery of viruses and bacteria

• Development of the germ theory of disease

If a student sees ten cells under a microscope using low magnification, she will see ________ cells under high magnification.

• no

• fewer

• the same number of

• more

To view a sample under a microscope, a slide is prepared and placed on the microscope's -

• base

• arm

• stage

• eyepiece

What theory states the idea that life is formed from non-living matter?

• Budding

• Regeneration

• Cell Theory

• Spontaneous Generation

Why did Redi find maggots on the meat inside the open jar?

• Flies could get into the jar and lay eggs

• The meat turned into maggots

• He did not find maggots inside the open jar

• The jar turned into maggots

What theory did the experiments shown help to disprove?

• Cell Theory

• Spontaneous Generation

• Budding

• Evolutionary Theory

Based on the given experiments, explain the best way to keep food free of flies.

• Put lots of salt on the meat first

• Keep the food in an open container

• Keep the food in a sealed container

• Put hot sauce on the meat first

What was the manipulated variable in the experiments shown?

• Flies and maggots

• Type of covering on the jars

• Cell membrane

• Flask