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What is the smallest unit of matter?

True or false: A theory is a guess

Biology Basics

20 terms·StudBud Administration·40 plays

Test your knowledge on the fundamental concepts of biology and explore the wonders of life

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Questions 20

Answers

1
True or false: A theory is a guess
False
True
2
What is the smallest unit of matter?
Element
Molecule
Atom
Compound
3
What is a substance that speeds up a reaction?
Reactant
Catalyst
Product
Enzyme
4
What is an educated guess?
Hypothesis
Observation
Theory
Inference
5
Which variable is measured?
Constant
Independent
Control
Dependent
6
Which process converts light to chemical energy?
Digestion
Fermentation
Respiration
Photosynthesis
7
Which bond shares electrons?
Van der Waals
Covalent
Hydrogen
Ionic
8
True or false: Enzymes are proteins
True
False
9
Which process moves water through a membrane?
Facilitated Diffusion
Osmosis
Active Transport
Diffusion
10
Which molecule stores energy?
Protein
DNA
ATP
RNA
11
What is the control center of a cell?
Ribosome
Membrane
Cytoplasm
Nucleus
12
What is the building block of proteins?
Nucleotide
Polymer
Monomer
Amino Acid
13
What is the attraction between same molecules?
Solution
Mixture
Adhesion
Cohesion
14
What is a group of similar cells?
Cell
System
Organ
Tissue
15
To be useful in science, a hypothesis must be
measureable
correct
testable
observable
16
What is the fluid inside a cell?
Membrane
Cytoplasm
Nucleus
Vacuole
17
What is the double layer of lipids in cells?
Cell Wall
Lipid Bilayer
Cytoskeleton
Organelle
18
What is the study of living things?
Biology
Chemistry
Geology
Physics
19
True or false: DNA stores genetic information
True
False
20
What is a substance with a pH less than 7?
Acid
Base
Buffer
Neutral