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BIO 211- Iowa State University Biederman Exam 1 Questions and Answers (100% Pass)
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BIO 211- Iowa State University Biederman Exam 1 Questions and Answers (100% Pass)
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©PREP4EXAMS @2024 [REAL EXAM DUMPS] Wednesday, July 17, 2024 1:27 AMBIO 211- Iowa State University Biederman Exam 1
Questions and Answers (100% Pass)
Scientific theories are just "ideas" (T/F) - ✔️✔️false
What is NOT considered a quality within the definition of life?
Living things evolve
Living things can grow and develop
Living things are sentient
Living things use energy - ✔️✔️Living things are sentient
In some cases an observational study is more appropriate than an experiment. (T/F) -
✔️✔️True
The oldest fossils humans have discovered are from organisms called________. -
✔️✔️stromatolites
Extant means this species still lives on earth. (T/F) - ✔️✔️True
Put the 5 major steps in the history of life on earth in order: - ✔️✔️1. cellular life
2. oxygen revolution
3. nucleated cells
4. multicellularity
5. Cambrian explosion
Which statement represents the best explanation for the observation that the nuclear DNA of
wolves and domestic dogs has a very high degree of sequence homology? Dogs and wolves
________.
Are both members of Carnivora
You Answered
Have very similar morphologies
Belong to the same Taxonomic Order
Share a very recent common ancestor - ✔️✔️Share a very recent common ancestor
Convergent evolution leads to homology (T/F) - ✔️✔️False
Page 1 of 13
, ©PREP4EXAMS @2024 [REAL EXAM DUMPS] Wednesday, July 17, 2024 1:27 AM
The rapid evolution of many different body forms within a single clade is called -
✔️✔️adaptive radiation
True or false: We are currently experiencing the 6th major extinction event - ✔️✔️True
The oldest fossils are approximately _______ billion years old. - ✔️✔️3..5
Phylogenetics represent evolutionary relationships. (t/f) - ✔️✔️true
Prokaryotes reproduce by ______. - ✔️✔️binary fission
The "sub-therapeutic use of antibiotics" refers to __________.
using low dosage antibiotics to address chronic medical conditions
using lower dosages to reduce antibiotic resistance in harmful bacteria
long-term use of low dosage antibiotics to promote growth in livestock
short courses of antibiotics to reduce antibiotic resistence in harmful bacteria - ✔️✔️long-term
use of low dosage antibiotics to promote growth in livestock
Thick peptidoglycan cell walls are susceptible to penicillin. (t/f) - ✔️✔️True
There are two metabolism types that are shared by both prokaryotes and eukaryotes. They are
______
and ______. - ✔️✔️photoautotroph and heterotroph
This bacteria is round-shaped. Another name for this shape is_______. - ✔️✔️cocci
The overuse of antibiotics is leading to the evolution of resistant bacteria (t/f) - ✔️✔️True
The most likely reason that fungi and bacteria produce antibiotics is________,
as a hormone to increase mating
to help absorb nutrients
to help humans fight infections
as a defense against other microorganisms - ✔️✔️as a defense against other microorganisms
Name the process that takes carbon dioxide (CO2) + water (H20) + sun to make sugar
(C6H12O6) - ✔️✔️photosynthesis
Plants respire (reduce sugar to carbon dioxide and water) (t/f) - ✔️✔️true
Genetic transfer techniques are important because they introduce genetic diversity into
prokaryote populations. (t/f) - ✔️✔️true
Gram negative (gram-) bacteria ________ susceptible to penicillin.
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