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Bio Honors Quiz
Bio Honors Quiz
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A #biology quiz on the basics of #atoms and #ions, #bonds, #enzymes
Flashcards
27 cards
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Questions
27
Answers
1
Which type of molecule is an enzyme?
Nucleic Acid
Protein
Carbohydrate
Lipid
2
A moth over time adapting to blend into its surroundings is a characteristic of life.
True
False
3
When electrons are shared between two atoms that is called a covalent bond.
False
True
4
If I wanted to test for sugar I would use....
Iodine
Sudan lll
Benedicts
Biurets
5
Which is an example of a chemical change?
boiling water
freezing water into an ice cube
melting ice
burning firewood
6
What properties of water are being used in the picture?
surface tension, cohesion, and adhesion
capillary action and cohesion
heat capacity and adhesion
Surface tension and hydrophobicity
7
Protons can be shared between atoms
False
True
8
Why is the oil in the picture unable to dissolve in the water?
Fats and oils are ionic
Fats and oils are covalent
Fats and oils are polar
Fats and oils are nonpolar
9
Dehydration synthesis breaks down complex molecules into simpler ones.
False
True
10
Lysis means to
synthesize
change
break down
form something new
11
Water can stabilize temperatures on land because...
water has surface tension
water has polar bonds
water has cohesion and adhesion
water has a high specific heat content
12
The substrate lactose binds to the enzyme lactase
False
True
13
What will happen to our enzymes if we do not maintain homeostasis?
There will be change
They will denature
They will work better
This does not happen in nature
14
Which is an example of something that absorbs energy to perform a chemical reaction?
Photosynthesis
Boiling water
Fireworks
Burning Wood
15
What is occurring in this picture?
Dehydration Synthesis
Hydrosynthesis
Hydrolysis
Energy-Absorbing Reaction
16
What type of molecule is in this picture?
Glucose
Amino Acid
Saturated Fat
Unsaturated Fat
17
Can our bodies enzymes work well at a temperature of 102°F
True
False
18
Enzymes assist in chemical reactions, but how?
They change the chemical
They change their substrate
They lower the activation energy
They change their shape
19
What is homeostasis?
being cold blooded
being a mammal
being warm blooded
maintaining a stable environment
20
When something is chemically changed it cannot go back to the way it was originally
True
False
21
Temperature affects how well an enzyme works
False
True
22
Enzymes in our body work best at a pH of 10
False
True
23
Being able to use energy is a characteristic of life
True
False
24
What is the term we use to determine the amount of energy required to perform a reaction?
Activation Energy
Energy Blast
Energy Activator
Energy Kickstart
25
Water is the universal solvent because its polarity between oxygen and hydrogen atoms.
True
False
26
What kinds of bonds allow water to stick to itself and other substances?
Covalent Bonds
Hydrogen Bonds
Ionic Bonds
Non-polar covalent bonds
27
What is the charge on an electron?
Negative
Positive
