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BIO SOL Review Day 2 - Biochemistry Preassessment

Total questions: 10

Worksheet time: 7mins

Name
Class
Date
1.
Water is a universal solvent because it...
a)
It can be found anywhere
b)
It freezes when it gets cold
c)
floats when frozen
d)
Dissolves most substances
2.
Which of the following organic compounds is the main source of energy for living things?
a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
3.

Which of the following is NOT a correct pair?

a)

Carbohydrates - Sugars & Starches

b)

Lipids - Fats & Oils

c)

Proteins - Waxes

d)

Nucleic Acids - DNA & RNA

4.

Enzymes act as catalysts, meaning they...

a)

Speed up chemical reactions

b)

Slow down chemical reactions

c)

Reverse chemical reactions

d)

Cancel chemical reactions

5.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
6.

Who discovered the exact structure of DNA?

a)

Franking and Wilkins

b)

Watson and Crick

c)

Avery, MacLeod, and McCarthy

d)

Captain and Tennille

7.

Transcription is _______ coding for ________.

a)

DNA coding for DNA

b)

DNA coding for mRNA

c)

mRNA coding for tRNA

d)

mRNA coding for proteins

8.

Transcribe the following DNA sequence:

TAAGGCCGA

a)

TAAGGCCGA

b)

ATTCCGGCT

c)

TUUGGCCGU

d)

AUUCCGGCU

9.

What are the reactants of photosynthesis?

a)

Water and carbon dioxide (+ light)

b)

Glucose and oxygen

c)

Water and oxygen (+ light)

d)

Glucose and carbon dioxide

10.

What is the purpose of cellular respiration?

a)

To break down food for energy

b)

To use sunlight to make food for plants

c)

To produce proteins

d)

To make new cells