BIOLOGICAL SCIENCE FREEMAN 7TH ED .
CHAPTER 2 QUESTIONS AND ANSWERS
1. Functional Group: a specific configuration of atoms commonly attached to the carbon skeletons of organic molecules
and involved in chemical reactions
2. All Living Organisms...: 1. Cells (membrane-bound)
2. Replication (can reproduce)
3. Evolution (populations are continually evolving)
4. Information (process hereditary information encoded in genes)
5. Energy (Acquire and use energy)
3. Hypothesis: A testable statement that explains a phenomenon or a set of observations.
eleton, acts
4. Amino: -NH2 consists of a nitrogen atom bonded to two hydrogen atoms and to the carbon sk
as
a base
5. Nucleotides: Basic units of DNA molecule, composed of a phosphate, which is bonded to and a 5-carbon
sugar,
one of 4 DNA bases
6. Ribonucleotides: The polymer subunits of specifically RNA
7. Catalyze: speed up chemical reactions
8. Carbonyl: C=O
9. Prediction: A measurable or observable result of an
, BIOLOGICAL SCIENCE FREEMAN 7TH ED .
CHAPTER 2 QUESTIONS AND ANSWERS
experiment based on a hypothesis. Also an if then statement
10. Cell Theory: The theory that all organisms are
made of cells and that all cells come from preexisting cells.
11. Carboxyl: The -COOH functional
group Acts as acid
12. Deoxyribnucleotides: The polymer subunits of specifically DNA
13. Cell: A highly organized compartment bounded by a thin, flexible structure (plasma membrane) and containing
concentrated chemicals in an aqueous (watery) solution. The basic structural and functional unit of all organisms.
, BIOLOGICAL SCIENCE FREEMAN 7TH ED .
CHAPTER 2 QUESTIONS AND ANSWERS
14. Hydroxyl: -OH
15. Deoxyribonucleic acid: A nucleic acid molecule, usually a double stranded helix, in which e ach
ases A
polynucleotide strand consists of nucleotide monomers with a deoxyribose sugar and the nitrogenous b C G; T
capable of being replicated and determining the inherited structure of cell's proteins.
16. Spontaneous Generation: Hypothesis stating that life could arise from nonliving matter.
ar and
17. Ribonucleic Acid: A type of nucleic acid consisting of nucleotide monomers with a ribose sug
the
nitrogenous bases adenine (A), cytosine (C), guanine (G), and uracil (U); usually single-stranded; functions synthesisinand as
the genome of some viruses.
18. Isotopes: Atoms of the same element that have ditterent numbers of neutrons
19. Amino Acid: monomer that makes up proteins; contains carboxyl and amino functional gr oups, a
hydrogen
atom, and an R-group bonded to a central Carbon
20. atomic mass: Number of protons and neutrons
21. Purines: Adenine and Guanine
CHAPTER 2 QUESTIONS AND ANSWERS
1. Functional Group: a specific configuration of atoms commonly attached to the carbon skeletons of organic molecules
and involved in chemical reactions
2. All Living Organisms...: 1. Cells (membrane-bound)
2. Replication (can reproduce)
3. Evolution (populations are continually evolving)
4. Information (process hereditary information encoded in genes)
5. Energy (Acquire and use energy)
3. Hypothesis: A testable statement that explains a phenomenon or a set of observations.
eleton, acts
4. Amino: -NH2 consists of a nitrogen atom bonded to two hydrogen atoms and to the carbon sk
as
a base
5. Nucleotides: Basic units of DNA molecule, composed of a phosphate, which is bonded to and a 5-carbon
sugar,
one of 4 DNA bases
6. Ribonucleotides: The polymer subunits of specifically RNA
7. Catalyze: speed up chemical reactions
8. Carbonyl: C=O
9. Prediction: A measurable or observable result of an
, BIOLOGICAL SCIENCE FREEMAN 7TH ED .
CHAPTER 2 QUESTIONS AND ANSWERS
experiment based on a hypothesis. Also an if then statement
10. Cell Theory: The theory that all organisms are
made of cells and that all cells come from preexisting cells.
11. Carboxyl: The -COOH functional
group Acts as acid
12. Deoxyribnucleotides: The polymer subunits of specifically DNA
13. Cell: A highly organized compartment bounded by a thin, flexible structure (plasma membrane) and containing
concentrated chemicals in an aqueous (watery) solution. The basic structural and functional unit of all organisms.
, BIOLOGICAL SCIENCE FREEMAN 7TH ED .
CHAPTER 2 QUESTIONS AND ANSWERS
14. Hydroxyl: -OH
15. Deoxyribonucleic acid: A nucleic acid molecule, usually a double stranded helix, in which e ach
ases A
polynucleotide strand consists of nucleotide monomers with a deoxyribose sugar and the nitrogenous b C G; T
capable of being replicated and determining the inherited structure of cell's proteins.
16. Spontaneous Generation: Hypothesis stating that life could arise from nonliving matter.
ar and
17. Ribonucleic Acid: A type of nucleic acid consisting of nucleotide monomers with a ribose sug
the
nitrogenous bases adenine (A), cytosine (C), guanine (G), and uracil (U); usually single-stranded; functions synthesisinand as
the genome of some viruses.
18. Isotopes: Atoms of the same element that have ditterent numbers of neutrons
19. Amino Acid: monomer that makes up proteins; contains carboxyl and amino functional gr oups, a
hydrogen
atom, and an R-group bonded to a central Carbon
20. atomic mass: Number of protons and neutrons
21. Purines: Adenine and Guanine
