CELL STRUCTURE & FUNCTION 1) Lipids are important to living

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CELL STRUCTURE & FUNCTION
EOC-BIOLOGY HOMEWORK #1 (due 4/25)
1) Lipids are important to living things for all of the
following reasons, EXCEPT that they are:
7) All living things use nitrogen to:
A) Needed to form cell membranes
B) chained together to form proteins
C) used for insulation in Arctic animals
D) used for long-term energy storage in hibernation
2) Biochemical analysis uses similarities in
__________ as evidence for evolutionary
relationships.
A) DNA sequences
B) bone structure
C) cellular architecture
D) homologous structures
A) reproduce
B) make sugar
C) make proteins
D) transport water
8) An enzyme speeds up a reaction such as
breaking down food. How do enzymes work?
A) they digest lipid bonds until glycerol is formed
B) they contain a specific shape substrate that fits
perfectly into the enzyme’s active site
C) they remove ATP and build bonds
D) they unwind amino acids
3) Josh is assigned a project in class to make a
design a strand of m-RNA from DNA. The DNA
code that he has been assigned states
CGG TCG AGT GAT as the codons. What would
be the correct code for Josh to use in his
transcription?
A) GCC
B) GCC
C) GCC
D) GCC
AGC TCA CTA
AGG TGA CTA
UGC TCA CTU
AGC UCA CUA
4) A long afternoon of hard work lies ahead.
You will need lots of energy so you're get
ready to dig into your lunch, seen here.
What biomolecules in your lunch will supply
the quickest energy, per gram?
A) proteins
B) carbohydrates
C) nucleic acids
D) lipids, specifically animal fat
5) Which of these organelles is responsible for
producing proteins?
A) ribosomes
B) nucleus
C) Golgi complex
D) mitochondria
6) Which of these is a correct statement about
RNA molecules?
A) RNA was first discovered by
James Watson and Francis Crick.
B) The shape of RNA is often described as a
double helix
C) RNA contains the genetic blueprint for
making protein molecules
D) RNA molecules transmit the genetic
information from the nucleus to the
ribosomes.
9) Consider the nucleic acid molecule shown here.
You can tell from this illustration that the
molecule:
A) may be either DNA or RNA
B) is RNA and it contains the sugar ribose
C) is DNA and it contains the sugar ribose
D) is DNA and it contains the sugar deoxyribose
10) ____________ combines with oxygen in cellular
respiration to make water, carbon dioxide, and _____.
A) glucose; ATP
B) water; light
C) sugar; oxygen
D) carbon dioxide; glucose
11) Match the following biomolecules with their
building blocks (monomers):
A) carbohydrates
B) proteins
C) nucleic acids
D) lipids
1)
2)
3)
4)
amino acids
monosaccharide
nucleotides
fatty acids
12) Match the following biomolecules with their
elements:
A) carbohydrates
B) proteins
C) nucleic acids
D) lipids
1)
2)
3)
4)
C,H,O,N,P
C,H,O
C,H,O
C,H,O,N
13) How are all of the biomolecules similar?
A) they are all inorganic
B) they are made out of smaller parts (monomers)
C) they all provide energy
D) they all contain ATP
What elements are present? ____________________
Which biomolecule is this? _____________________
What elements are present? ____________________
Which biomolecule is this? _____________________
This is the plasma membrane of a cell. ___________
Which biomolecule is this? ____________________
What elements are present? ____________________
Which biomolecule is this? _____________________
What elements are present in this molecule?_________
Which biomolecule is this? _______________________
Which biomolecule is this? _______________________
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