Scientific Study
Biomolecules
Characteristics of Life
Functional Groups
100

What is the first step in the scientific method?

  • Asking a question or identifying a problem


100

Which biomolecule is the main source of energy for living things?

Carbohydrates

100

All living things are made of one or more ______.

Cells

100

What is the functional group found in alcohols, written as –OH?

Hydroxyl group


200

What is a hypothesis?

 A testable explanation for an observation


200

What is the building block of proteins?

 Amino acids

200

What characteristic of life refers to the ability to maintain stable internal conditions?

Homeostasis

200

Which functional group, written as –COOH, is found in fatty acids and amino acids?

Carboxyl group

300

What do you call the information collected during an experiment?

Hint: D

Data

300

Which biomolecule is responsible for storing genetic information?

 Nucleic acids (DNA and RNA)


300

What life process involves organisms producing offspring?

Reproduction

300

What is the name of the functional group –NH₂ found in amino acids?

 Amino group

400

Why is it important to control variables in an experiment?

 To ensure accurate and reliable results

400

What type of biomolecule are fats and oils?

Lipids

400

What is the ability of an organism to respond to stimuli called?

 Responsiveness or Irritability


400
  • Which functional group, often written as –PO₄, is found in DNA, RNA, and ATP?

 Phosphate group


500

What part of an experiment is used for comparison and does not receive the independent variable?

Hint: C G

Control group

500

Which type of biomolecule speeds up chemical reactions in the body?

Enzymes (Proteins)

500

What do we call the total of all chemical reactions in a living organism?

Metabolism

500

Which functional group, written as –SH, helps form disulfide bridges in proteins?

 Sulfhydryl group

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