BIO 200 FINAL EXAM LATEST 2022-2024/ BIO200 FINAL EXAM QUESTIONS AND ANSWERS 2022-2024 REAL EXAM QUESTIONS|GRADED A+

BIO 200 FINAL EXAM LATEST 2022-2024/ BIO200 FINAL
EXAM QUESTIONS AND ANSWERS 2022-2024 REAL EXAM
QUESTIONS|GRADED A+
Which of the following about the nitrogen cycle is false?
a)Nitrogen-fixing bacteria exist on the root nodules of legumes and in
the soil.
b)Ammonification is the process by which ammonium ion (NH4+) is
released from decomposing organic compounds.
c)Nitrification is the process by which nitrites (NO2-) are converted to
ammonium ions (NH4+).
d)Denitrifying bacteria convert nitrates (NO3-) into nitrogen gas (N2).
-CORRECT ANSWER-- c)Nitrification is the process by which nitrites
(NO2-) are converted to ammonium ions (NH4+).
The first forms of life on Earth were thought to be... -CORRECT
ANSWER-- Prokaryotes
Microbial mats... -CORRECT ANSWER-- are multi-layered sheet of
prokaryotes including mostly bacteria but also archaea
The first organisms that oxygenated the atmosphere were -CORRECT
ANSWER-- cyanobacteria
The presence of a membrane-enclosed nucleus is a characteristic of.... -
CORRECT ANSWER-- eukaryotic cells
Which of the following consist of prokaryotic cells? -CORRECT
ANSWER-- bacteria and archaea
Prokaryotes that obtain their energy from chemical compounds are
called _____ -CORRECT ANSWER-- Chemotrophs
Plants use carbon dioxide from the air and are therefore called _____. -
CORRECT ANSWER-- producers
What event is thought to have contributed to the evolution of
eukaryotes? -CORRECT ANSWER-- oxygenation of the atmosphere
Which characteristic is shared by prokaryotes and eukaryotes?
a)nuclear envelope
b)cytoskeleton
c)DNA-based genome
d)mitochondria
-CORRECT ANSWER-- DNA-based genome
Which of these protists is believed to have evolved following a
secondary endosymbiosis?
a)green algae
b)chlorarachniophytes
c)cyanobacteria
d)red algae
-CORRECT ANSWER-- Chlorarachniophtes
An example of carbon fixation is... -CORRECT ANSWER--
photosynthesis
All the following are different between archaea, bacteria, and
eukaryotes, EXCEPT...
a) the number of introns/genome.
b) the appearance of membrane-bound organelles.
c) chromosome architecture.
d) DNA-->RNA --> Protein
e) true tissues.
-CORRECT ANSWER-- DNA --> RNA --> Protein
Which of the following is unique to prokaryotes?
a) an ability for cells to divide
b) they can duplicate their chromosomes
c) processes of the Central Dogma
d) nitrogen fixation
e) they can regulate cytoplasmic osmotic pressure
-CORRECT ANSWER-- nitrogen fixation
What do chloroplasts and mitochondria share with prokaryotes? -
CORRECT ANSWER-- Membrane structure, Divide by binary fission,
Circular chromosomes, Ribosome composition and structure
Which of the following statements about plant divisions is false?
a)Seed plants include angiosperms and gymnosperms.
b)All vascular plants produce seeds.
c)Lycophytes and pte