Biology: scientific methods, characteristics of life, cells

The following are parts of the cell theory, EXCEPT...

• All cells come from pre-existing cells

• All prokaryotes and eukaryotes are living cells.

• All organisms are made up of one or more cells.

• All the life functions of an organism occur within cells.

Who first used the term “cell” when looking at a slice of cork under the microscope?

• Rudolf Virchow

• Charles Darwin

• Robert Hooke

• Gregor Mendel

A(n) ____________ is anything that is detected either through human senses or with instruments and measuring devices that extend human senses.

• hypothesis

• observation

• scientific method

• scientific investigation

This is the part of the experiment that we measure.

• constant variable

• independent variable

• control variable

• dependent variable

The _____________ variable is manipulated to see the effects on the ___________ variable.

• independent, dependent

• dependent, control

• control, experimental

• experimental, control

Which is the correct order in a scientific investigation?

• Make a hypothesis, test the hypothesis, analyze the results, ask a question, draw conclusions, communicate results

• Ask questions, make a hypothesis, test the hypothesis, draw conclusions, analyze results, communicate results

• Ask questions, make a hypothesis, test the hypothesis, analyze results, draw conclusions, communicate results

• Ask a question, analyze results, make a hypothesis, test the hypothesis, draw conclusions, communicate results

Which of the following would account for why cells have different shapes and sizes?

• The size and the shape facilitate the entry of materials into the cell.

• Cells with different functions often have different shapes.

• The size and shape allows movement of the cell here and there.

• Cells with different functions often have different shapes.

This refers to the characteristic of life that makes an organism better able to survive in its environment. 

• adoption

• alteration

• evolution

• adaptation

Which of the following is an example of eukaryote?

• cyanobacteria

• archaebacteria

• fungi

• bacteria

What is the role of a ribosome?

• protein synthesis

• storage and transport

• cell barrier

• contains other cell structures