Biomolecules
Which biomolecule gives you quick energy?
a. proteins
b. carbohydrates
c. lipids
carbohydrates
How CORRECT a measurement is.
a. precise
b. accuracy
c. hypothesis
Accuracy
What biomolecule are enzymes made of?
What 2 elements make up water?
Oxygen and Hydrogen
What is the smallest unit of LIFE?
A cell
Which biomolecule makes up cell membranes?
a. carbohydrates
b. proteins
c. nucleic acids
d. lipids
LIPIDS
Name 3 of the 6 elements of life.
Any 3
hydrogen, carbon, nitrogen, phosphorus, oxygen, sulfur
What is another name for a reactant?
a. product
b. active site
c. substrate
substrate
What does hydrophobic mean?
water fearing
Processing energy is _______________.
a. homeostasis
b. metabolism
c. cellular respiration
metabolism
Which biomolecule is used to build muscle?
protein
The part of the experiment you DO NOT change so you can compare it to the experimental group.
a. independent variable
b. control group
c. Hypothesis Group
control group
Enzymes work to speed up chemical reactions so they are a type of __________.
catalyst
When molecules are attracted to each other they have the property of _________.
a. adhesion
b. cohesion
c. surface tension
What particles are found in the nucleus of an atom?
a. protons and electrons
b. neutrons and electrons
c. protons and neutrons
protons and neutrons
carbohydrates
proteins
lipids
nucleic acids
A testable answer to a question is a ____________________.
a. theory
b. variable
c. hypothesis
hypothesis
What type of reaction releases energy?
a. endothermic
b. exothermic
c. denature
exothermic
What does hydrophilic mean?
Water Loving
If an animal hears a loud noise it will turn in the direction of the sound. What characteristic of life are they demonstrating?______________________________________
a. homeostasis
b. reproduction
c. responding to the enviroment
responding to the environment
Which biomolecule stores information?
nucleic acids
Once a question is answered in Science nothing will ever change.
True or False
False.
Do you know why?
When an enzyme is damaged and changes shape it no longer works and has become ___________.
Denatured
Why does ice float?
it is less dense than water
All living things must maintain a stable internal environment, this is called ____________________________.
homeostasis