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WorksheetsSect 3.5 to 3.7
Total questions: 25
Worksheet time: 19mins
Which of the following is a macromolecule? (4)
protein
lipid
carbohydrate
nucleic acid
water
Which of the following statements is true about organic molecules? (3)
they contain carbon to oxygen bonds
water is organic
carbohydrates are organic
nucleic acids are organic
they contain carbon to hydrogen bonds
Which of the following are true of proteins? (3)
they are polypeptides
they are made of amino acids
they provide the most energy from food
they have a specific shape that determines their function
they are inorganic
Which protein shape has full function? (2)
primary
secondary
tertiary
quaternary
denatured shape
Which configuration of protein shape has alpha helices and beta pleated sheets?
primary
secondary
tertiary
quaternary
denatured shapes
Although there are thousands of amino acids how many are essential and how many are commonly used in the body? (2)
100 basic amino acids
20 essential amino acids
20 basic amino acids
all of them are essential
9 essential amino acids
Which of the following are the parts of an amino acid? (4)
the amino group
the carboxyl group
the variable group
the phosphate group
the alpha carbon
Which of the following are uses for proteins in our bodies? (4)
enzymes
hemoglobin
antibiotics
muscle
antibodies
Which of the following statements is/are true about Adenosine Triphosphate (ATP)? (3)
it only provides energy when bonds are made
it only provides energy when bonds are broken
it is made during cellular respiration
it is made during photosynthesis
it is an energy molecule used to power cell processes
Which of the following statements is/are true of nucleic acids? (3)
used in protein synthesis
both have to stay in the nucleus of the cell
made of nucleotides
examples are DNA and RNA
made of amino acids
Which of the following are parts of a nucleotide? (3)
phosphate group
carboxyl group
variable group
sugar
nitrogen bases
Which of the following statements is/are true of nitrogen bases? (3)
they are all purines
they are in both DNA and RNA
C pairs with G
they are not in codons
A pairs with T and U
Which of the following statements is/are true of DNA? (2)
DNA stays in the cytoplasm of the cell
DNA is made with the sugar ribose
DNA bases are purines and pyrimidines
DNA is converted to RNA which is then converted to Protein
DNA is made of a single strand of nucleotides linked together
Which of the following statements is/are true of Nucleic Acids? (3)
the sugar can be ribose or deoxyribose
the nitrogen base can be adenine, cytosine, guanine, thymine, and uracil
they are used in the process of protein synthesis
they are both antiparallel
they are both a double stranded helix
Which of the following statements is/are true of metabolism? (3)
cellular respiration would be an example
linking small molecules together to form larger molecules is a catabolic reaction
digestion would be an example
adhesion would be an example
breaking down a large molecules into smaller subunits is called a catabolic reaction
Which of the following statements is/are true of water? (3)
it is an organic molecule
it has an uneven distribution of charge so it is polar
it is made of carbon, hydrogen, and oxygen
cohesion is attraction of water molecules to other water molecules
adhesion is attraction of water molecules to other substances
Which of the following statements is/are true of water and life? (3)
as we age the amount of water that makes us up declines
20% of our daily intake of water comes from our food
at birth we are made of nearly 85% water
hydrophilic substances readily combine with water
hydrophobic substances readily combine with water
All living things require these types of reactions in order to survive. (4)
anabolic
cellular respiration
adhesion
catabolic
photosynthesis
Which of the following statements is/are involved in Protein Synthesis? (3)
takes place at the nucleus and the ribosome but involves the golgi apparatus and rough endoplasmic reticulum
involves transcription and translation
does not involve both DNA and RNA
sequence but not final shape determines the function of the protein
it's outcome is controlled by the sequence of nucleotides
Which of the following sequences would be the compliment of ATC GCC TGA? (2)
UAG GGC ACU
UAG CGG ACU
TAG CGG ACT
TAG GGC ACT
Which statements about biological molecules are correct? (3)
RNA is made into DNA which is made into Protein
Carbohydrates and fats are made of C-H-O
Proteins are made of C-H-O-N-S
Nucleic Acids are made of C-H-O-N-P
Carbohydrates have more energy than fats
Which of the following statements are true about Protein Synthesis? (3)
A complimentary strand of DNA is made from RNA
Protein structure progresses from Primary through Quaternary
Translation takes place at the ribosomes
Sugars and ATP are created during the process as energy sources
Transcription takes place in the nucleus
Which reactions make up our human metabolism? (3)
anabolic reactions
single replacement reactions
photosynthesis
catabolic reactions
the sum total of all chemical reactions in the body
Which of the following statements are true regarding water in our bodies? (3)
As adults we are 50-60% water
As babies we were about 75% water
Our food does not contain water that will help us
We need to consume over 2 liters of water a day
Which of the following statements are true regarding water? (3)
10% of the water on earth is drinkable
2% of the fresh water is locked in ice
1% of the water on earth is suitable for drinking
85% of the earth's water is salt water
3% of the water on earth is fresh water
