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Biology 1100 Exam 1 Practice Questions and Solutions
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  • Course
  • ECU BIO 1100
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  • ECU BIO 1100

1)Which pf the following contains an amino group? A) glucose B) triglyceride C) ATP D) amino acid E) starch D) amino acid 2)Unicellular organisms are found in which domain(s) A) Archae and Bacteria only B) Archae, Bacteria, and Protists C) Archae, Bacteria, and Eukarya D) Bacteria only E) Archae o...

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  • September 23, 2024
  • 9
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • biology 1100 exam 1 practice questions and solutio
  • 1which pf the following contains an amino group
  • 2unicellular organisms are found in which domain

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  • ECU BIO 1100
  • ECU BIO 1100

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Biology 1100 Exam 1 Practice Questions
and Solutions
1)Which pf the following contains an amino group?
A) glucose
B) triglyceride
C) ATP
D) amino acid
E) starch ✅D) amino acid

2)Unicellular organisms are found in which domain(s)
A) Archae and Bacteria only
B) Archae, Bacteria, and Protists
C) Archae, Bacteria, and Eukarya
D) Bacteria only
E) Archae only ✅C) Archae, Bacteria, and Eukarya

3)Your chemistry lab partner added 100mLs of HCl acid to pure water. The pH of the
solution that your partner made is
A) 7.0
B) 0-7
C) 7-14 ✅B) 0-7

4)(Unsaturated fatty acid image) This is most likely to be found in:
A) beeswax
B) butter
C) olive oil
D) intramuscular fat of steak ✅C) olive oil

5)Which four elements make up approximately 96% of living matter?
A) Carbon, sodium, chlorine, magnesium
B) Carbon, hydrogen, nitrogen, oxygen
C) Carbon, phosphorus, hydrogen, sulfur
D) Oxygen, hydrogen, calcium, sodium
E) Carbon, oxygen, calcium, sulfur ✅B) Carbon, hydrogen, nitrogen, oxygen

6)In the synthesis of nucleic acids from nucleotides, a dehydration synthesis reaction
forms a covalent bond referred to as a
A) phosphodiester bond
B) glycosidic bond
C) ionic bond
D) marriage bond
E) peptide bond ✅A) Phosphodiester bond

, 7)True/False: Mitochondria are found in all eukaryotic cells, both plant and animal.
A) True
B) False ✅A) True

8)A student wanted to study the effect of nitrogen fertilizer on plant growth, so she took
two similar plants and set them on a window sill for a two-week observation period. She
watered each plant the same amount, bu she gave one a small dose of fertilizer with
each watering. She collected data by counting the total number of new leaves on each
plant and also measured the height of each plant in centimeters. Which of the following
is a significant flaw in this experiment set-up?
A) It will require too many days of data collection
B) There is no repetition
C) There is no variable factor
D) There is no control
E) Measurable results cannot be expected ✅B) There is no repetition

9)Which of the atoms is most electronegative
A) N
B) H
C) O
D) C
E) they all have the same electronegativity ✅C) O

10)Which of these functional groups is a hydroxyl group?
A) -CH₃
B) -OH
C) -NH₂
D) -COOH
E) -OPO₃²⁻ ✅B) -OH

11)(look at picture) The bond that links the two monomers on the left to form the dimer
on the right is a
A) hydrolysis
B) glycosidic bond
C) peptide bond
D) phosphodiester bond
E) all except A ✅C) peptide bond

12)(Look at picture) Which group is most hydrophilic?
A) A
B) B
C) C
D) these are all hydrophobic ✅A) A

13)Which is consistent with the concept of biological information flow

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