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Course: EST 2 Biology
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EST 2 Biology

Cell Structure and Molecular Biology

0/51 Dr Dabour Hub Science Diagram and Course Material

Ecology

0/31 Dr Dabour Hub Science Diagram and Course Material

Genetics and Heredity

0/39 Dr Dabour Hub Science Diagram and Course Material

Body Systems and Plants

0/60 Dr Dabour Hub Science Diagram and Course Material

Classification and Evolution

0/21 Dr Dabour Hub Science Diagram and Course Material
Quiz

Chemistry of life – Check yourself

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Of life EST Biology check yourself quiz: free practice for EST 2 Biology. Work through this Of life EST Biology check yourself quiz and get instant feedback on every answer. If you get stuck, review the 1.1 Chemistry of life lesson. More practice: EST 2 Biology — all units. Syllabus: OpenStax free science textbooks.

  • Questions count: 7
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Which statement best describes Nucleic acid?
Which statement best describes Nucleic acid?
Breaking polymers by adding water.
Fats, oils, phospholipids, steroids.
Small repeating unit of a polymer.
DNA and RNA, polymers of nucleotides.
2.
Which statement best describes Protein?
Which statement best describes Protein?
Polymer of amino acids joined by peptide bonds.
C, H, O; sugars and polysaccharides.
DNA and RNA, polymers of nucleotides.
Weak bond between polar molecules such as water.
3.
According to the comparison table in this lesson, what is the Function of Lipids?
According to the comparison table in this lesson, what is the Function of Lipids?
The four macromolecules
Enzymes, transport, structure
Energy, structure
Energy store, membranes, hormones
Genetic information
4.
Which step comes first in the sequence covered in this lesson?
Which step comes first in the sequence covered in this lesson?
Monomers
Polymer
Dehydration synthesis (− H₂O)
Hydrolysis (+ H₂O)
5.
According to the comparison table in this lesson, what is the Elements of Nucleic acids?
According to the comparison table in this lesson, what is the Elements of Nucleic acids?
The four macromolecules
C, H, O (P)
C, H, O, N, P
C, H, O, N, S
C, H, O
6.
Which key term matches this description: "Joining monomers by removing water."
Which key term matches this description: "Joining monomers by removing water."
Dehydration synthesis
Protein
Carbohydrate
Hydrolysis
7.
Complete the statement: Proteins are made of ______.
Complete the statement: Proteins are made of ______.
amino acids
Nucleic acid
hydrolysis
Hydrogen bond
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Part of Cell Structure and Molecular Biology — see every lesson and quiz in this unit.
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