Biology Paper
Midterm 1 stuff (1, 25, 26, 27, 28)
2) What characterizes a prokaryotic cell?
a. the lack of ribosomes
b. the lack of a membrane-enclosed nucleus
c. the presence of a nucleus with no DNA
d. the presence of mitochondria
e. having a cell wall without a cell membrane
3) Which of the following does NOT comprise a logical hierarchy of organization?
a. family, order, class, phylum, kingdom
b. molecules, cells, tissues, organ systems, populations
c. organisms, populations, communities, biomes, biosphere
d. cells, tissues, organs, organ systems, organisms
e. molecules, atoms, organelles, tissues, systems
4) The scientific method usually begins with
a. formulating a testable hypothesis.
b. formulating a theory.
c. searching for relevant materials in the library.
d. collecting data.
e. conducting a controlled experiment.
5) Two species belonging to the same class must also belong to the same
a. family. b. order. c. species. d. genus. e. phylum.
6) What do a fungus, a tree, and a human have in common?
a. They are all prokaryotic.
b. They are all composed of cells with nuclei.
c. They are all members of the same kingdom.
d. They are all members of the same class.
e. They all have cell walls.
1) The first genetic material was most likely
A) a protein.
B) a DNA oligonucleotide.
C) a DNA polymer.
D) a protein enzyme.
E) an RNA polymer.
2) Approximately how far does the fossil record extend back in time?
A) 3,500,000,000 years
B) 3,500,000 years
C) 5,000,000,000,000 years
D) 6,000 years
E) 6,000,000 years
3) What are the banded rocks called that are believed to be the fossils of bacterial mat communities?
A) stalagmites B) stromatolites C) stalactites D) coacervates E) strata
4) In their laboratory simulation of the early Earth, Miller and Urey observed the abiotic synthesis of
A) coacervates. B) liposomes. C) microspheres. D) amino acids. E) DNA.
5) Why was the primitive atmosphere of Earth more conducive to the
2) What characterizes a prokaryotic cell?
a. the lack of ribosomes
b. the lack of a membrane-enclosed nucleus
c. the presence of a nucleus with no DNA
d. the presence of mitochondria
e. having a cell wall without a cell membrane
3) Which of the following does NOT comprise a logical hierarchy of organization?
a. family, order, class, phylum, kingdom
b. molecules, cells, tissues, organ systems, populations
c. organisms, populations, communities, biomes, biosphere
d. cells, tissues, organs, organ systems, organisms
e. molecules, atoms, organelles, tissues, systems
4) The scientific method usually begins with
a. formulating a testable hypothesis.
b. formulating a theory.
c. searching for relevant materials in the library.
d. collecting data.
e. conducting a controlled experiment.
5) Two species belonging to the same class must also belong to the same
a. family. b. order. c. species. d. genus. e. phylum.
6) What do a fungus, a tree, and a human have in common?
a. They are all prokaryotic.
b. They are all composed of cells with nuclei.
c. They are all members of the same kingdom.
d. They are all members of the same class.
e. They all have cell walls.
1) The first genetic material was most likely
A) a protein.
B) a DNA oligonucleotide.
C) a DNA polymer.
D) a protein enzyme.
E) an RNA polymer.
2) Approximately how far does the fossil record extend back in time?
A) 3,500,000,000 years
B) 3,500,000 years
C) 5,000,000,000,000 years
D) 6,000 years
E) 6,000,000 years
3) What are the banded rocks called that are believed to be the fossils of bacterial mat communities?
A) stalagmites B) stromatolites C) stalactites D) coacervates E) strata
4) In their laboratory simulation of the early Earth, Miller and Urey observed the abiotic synthesis of
A) coacervates. B) liposomes. C) microspheres. D) amino acids. E) DNA.
5) Why was the primitive atmosphere of Earth more conducive to the