Which scientist built a microscope, which he used to view cork oak tree bark, and name what he saw "cells?"

• Matthias Shleiden

• Robert Hooke

• Theodor Schwann

• Rudolf Virchow

Which theory states that all living things are made of one or more cells, the cell is the smallest unit of life, and all new cells come from pre-existing cells?

• theory of relativity

• the mass theory

• the cell theory

• the escape theory

The main ingredient in any cell is

• sodium

• helium

• carbon dioxide

• water

Which of the following form by joining many small molecules together

• super molecules

• standard molecules

• giga molecules

• macro-molecules

Tags

NGSS.HS-LS1-6

What are the four types of macromolecules in cells?

(Select all that apply)

• citric acid

• proteins

• nucleic acid

• carbohydrates

• lipids

Which macromolecule does not dissolve in water and acts as a protective barrier?

• Nucleic Acid

• Proteins

• Lipids

• Carbohydrates

What does a plant cell have that an animal cell does not?

• cell membrane

• cell wall

• cytoplasm

• DNA

Tags

NGSS.MS-LS4-2

In this type of cell the DNA floats freely in the cytoplasm...

• Eukaryotic

• Prokaryotic

An animal cell is a

• typical bacterial cell

• eukaryotic cell

• prokaryotic cell

The largest organelle inside most eukaryotic cells is the

• chloroplast

• lysosome

• nucleus

• mitochondria