MICR Exam1 Questions and Answers
If one strand of DNA is 5' AATGC 3', in the space provided below, what is the correct sequence of the
complementary strand? - Answer-
Who is credited for first observing small structures called "animalcules"? - Answer-Anton van
Leeuwenhoek
What type of bond is an interaction between charged atoms? - Answer-Ionic Bonds
Many of the properties of water are a result of its ability to form ________ bonds. - Answer-
Which of the following is NOT a domain in the three domain system devised by Carl Woese and George
Fox?
A.Animalia
B.Archaea
C.Bacteria
D.Eukarya - Answer-A
,What characteristic of a phospholipid allows for the formation of the basic structure of a membrane? -
Answer-Phospholipids are both hydrophilic and hydrophobic.
The nucleotide is composed of a 5-carbon sugar, phosphate group, and a nitrogenous base. With which
carbon is the phosphate group covalently bonded? - Answer-
Which of these is a function of carbohydrates? - Answer-Primary energy source (food)
Pictured is the amino acid alanine. Identify the highlighted functional group. - Answer-Carboxylic acid
Which statement about ionic bonds is true?
A. A combination of ions is not considered a molecule because they are held together by an electric
charge.
B. Strong ionic bonds are generally not important biologically.
C. The atoms in an ionic molecule physically interact with each other.
D. Ionic bonds always involve a hydrogen atoms. - Answer-B
The two strands of DNA are antiparallel to each other. - Answer-True
Protozoa are _____. - Answer-unicellular eukaryotes
The carbon atom is uniquely suitable to build organic molecules from because _____. - Answer-it can
form four covalent bonds with many other atoms
Taxonomy involves all the following, except ______.
A.classification of living organisms
, B.naming of living organisms
C.description of living organisms
D.labeling of living organisms - Answer-D
DNA consists of two strands of nucleic acids that are held together by ______. - Answer-hydrogen
bonds
How many carbons are in the pictured monosaccharide? - Answer-
The most abundant organic molecules on Earth are _____. - Answer-Carbohydrates
Which of the following is NOT a property of ALL lipids?
A.Lipids can have very diverse structures, and are not simply defined by a monomer.
B.Lipids have very similar functions.
C.Lipids do not dissolve in water.
D.Even though lipids consist of mostly carbon and hydrogen, other atoms, such as oxygen or
phosphorous, can also be found in lipids. - Answer-B
Which of these is not a function of lipids?
A.Primary energy source (food)
B.Membrane structure
C.Energy storage
If one strand of DNA is 5' AATGC 3', in the space provided below, what is the correct sequence of the
complementary strand? - Answer-
Who is credited for first observing small structures called "animalcules"? - Answer-Anton van
Leeuwenhoek
What type of bond is an interaction between charged atoms? - Answer-Ionic Bonds
Many of the properties of water are a result of its ability to form ________ bonds. - Answer-
Which of the following is NOT a domain in the three domain system devised by Carl Woese and George
Fox?
A.Animalia
B.Archaea
C.Bacteria
D.Eukarya - Answer-A
,What characteristic of a phospholipid allows for the formation of the basic structure of a membrane? -
Answer-Phospholipids are both hydrophilic and hydrophobic.
The nucleotide is composed of a 5-carbon sugar, phosphate group, and a nitrogenous base. With which
carbon is the phosphate group covalently bonded? - Answer-
Which of these is a function of carbohydrates? - Answer-Primary energy source (food)
Pictured is the amino acid alanine. Identify the highlighted functional group. - Answer-Carboxylic acid
Which statement about ionic bonds is true?
A. A combination of ions is not considered a molecule because they are held together by an electric
charge.
B. Strong ionic bonds are generally not important biologically.
C. The atoms in an ionic molecule physically interact with each other.
D. Ionic bonds always involve a hydrogen atoms. - Answer-B
The two strands of DNA are antiparallel to each other. - Answer-True
Protozoa are _____. - Answer-unicellular eukaryotes
The carbon atom is uniquely suitable to build organic molecules from because _____. - Answer-it can
form four covalent bonds with many other atoms
Taxonomy involves all the following, except ______.
A.classification of living organisms
, B.naming of living organisms
C.description of living organisms
D.labeling of living organisms - Answer-D
DNA consists of two strands of nucleic acids that are held together by ______. - Answer-hydrogen
bonds
How many carbons are in the pictured monosaccharide? - Answer-
The most abundant organic molecules on Earth are _____. - Answer-Carbohydrates
Which of the following is NOT a property of ALL lipids?
A.Lipids can have very diverse structures, and are not simply defined by a monomer.
B.Lipids have very similar functions.
C.Lipids do not dissolve in water.
D.Even though lipids consist of mostly carbon and hydrogen, other atoms, such as oxygen or
phosphorous, can also be found in lipids. - Answer-B
Which of these is not a function of lipids?
A.Primary energy source (food)
B.Membrane structure
C.Energy storage
