BCHS 3304 EXAM 1 QUESTIONS || 100% VERIFIED ANSWERS.
the atmosphere of prebiotic earth probably contained the following molecules:
- H2O, CO2, N2, CH4, and NH3
- H2O, CO2, CH4, C6H12O6, and NH3
- H2O, CO2, CH4, C6H12O6, and COOCH2NH3
- H2O, CO2, CH4, COOCH2NH3, and NH3
- none of the above correct answers H2O, CO2, N2, CH4, and NH3
what are the four most abundant elements in a human body?
- C, N, O, H
- C, N, O, P
- C, S, O, H
- C, Na, O, H
- None of the above correct answers C, N, O, H
at which points is a phosophate ester bond? correct answers E (pointing to the bond between HO-
PO3)
in a hydrolysis reaction, a molecule of water is generated
-t
- f correct answers false; in a condensation reaction a water molecule is generated
using phylogeny, all living organisms can be divided into the following domains:
- bacteria, eukarya, and vertebrate
- archaea and eukarya
- bacteria, eukarya, and archaea
, - eukarya and bacteria
- none of the above correct answers bacteria, eukarya, and archaea
which three cellular components are present in both prokaryotes and eukaryotes?
- ribosomes, chloroplasts, mitochondria
- nucleus, ribosomes, RNA
- RNA, DNA, ribosomes
- endoplasmic reticulum, DNA, RNA
- mitochondria, DNA, RNA correct answers RNA, DNA, ribosomes
which of the following statement(s) is (are) not true?
- margulis proposed the endosymbiotic theory to explain the evolution of mitochondria and
chloroplasts
- woese proposed the "new" phylogenic tree that divides living organisms into the 3 domains of
bacteria, archaea, and eukarya based upon genetic relationships rather than obvious
morphological similarities
- urey and miller conducted an experiment that involved sparking a mixture of NH3, CH4, H2O,
and H2 gases to yield amino acids, some of the fundamental building blocks of life
- all of the above are true
- all of the above are false correct answers all of the above are true
the ability to maintain high local concentrations of compounds is an example of an advantage of
compartmentation
-t
- f correct answers true
which statement is NOT a principle of the theory of evolution?
- evolution is constrained by its past
- evolution is not directed toward a particular goal
the atmosphere of prebiotic earth probably contained the following molecules:
- H2O, CO2, N2, CH4, and NH3
- H2O, CO2, CH4, C6H12O6, and NH3
- H2O, CO2, CH4, C6H12O6, and COOCH2NH3
- H2O, CO2, CH4, COOCH2NH3, and NH3
- none of the above correct answers H2O, CO2, N2, CH4, and NH3
what are the four most abundant elements in a human body?
- C, N, O, H
- C, N, O, P
- C, S, O, H
- C, Na, O, H
- None of the above correct answers C, N, O, H
at which points is a phosophate ester bond? correct answers E (pointing to the bond between HO-
PO3)
in a hydrolysis reaction, a molecule of water is generated
-t
- f correct answers false; in a condensation reaction a water molecule is generated
using phylogeny, all living organisms can be divided into the following domains:
- bacteria, eukarya, and vertebrate
- archaea and eukarya
- bacteria, eukarya, and archaea
, - eukarya and bacteria
- none of the above correct answers bacteria, eukarya, and archaea
which three cellular components are present in both prokaryotes and eukaryotes?
- ribosomes, chloroplasts, mitochondria
- nucleus, ribosomes, RNA
- RNA, DNA, ribosomes
- endoplasmic reticulum, DNA, RNA
- mitochondria, DNA, RNA correct answers RNA, DNA, ribosomes
which of the following statement(s) is (are) not true?
- margulis proposed the endosymbiotic theory to explain the evolution of mitochondria and
chloroplasts
- woese proposed the "new" phylogenic tree that divides living organisms into the 3 domains of
bacteria, archaea, and eukarya based upon genetic relationships rather than obvious
morphological similarities
- urey and miller conducted an experiment that involved sparking a mixture of NH3, CH4, H2O,
and H2 gases to yield amino acids, some of the fundamental building blocks of life
- all of the above are true
- all of the above are false correct answers all of the above are true
the ability to maintain high local concentrations of compounds is an example of an advantage of
compartmentation
-t
- f correct answers true
which statement is NOT a principle of the theory of evolution?
- evolution is constrained by its past
- evolution is not directed toward a particular goal
