IB Biology - Molecular Biology

Which is NOT a correct pair of element with its number of covalent bonds?

• C, 4
• P, 5
• N, 3
• H, 2

Which is NOT an organic carbon compound?

• carbon dioxide
• carbohydrates
• DNA
• cholesterol

Which refers to the breakdown of macromolecules into simpler building blocks?

• metabolism
• catabolism
• anabolism
• condensation

The artificial production of which substance (normally produced by living organisms) helped disprove vitalism?

• urea
• urine
• uric acid
• ammonia

image is:

• ribose
• deoxyribose
• alpha-D-glucose
• beta-D-glucose

Tags

NGSS.HS-LS1-6

Which is NOT a polysaccharide?

• starch
• amylopectin
• cellulose
• lactose

Which color includes cis unsaturated fatty acid(s)?

• Red
• Black
• Blue
• cannot be determined

peptide bond?

• A.
• B.
• C.
• D.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Which part of an amino acid varies?

• hydroxyl
• R-group
• carbonyl
• C-C-N backbone

solid line = ?
dotted line = ?

• solid=ionic, dotted=hydrogen.
• solid=hydrogen, dotted=ionic
• solid=covalent, dotted=hydrogen.
• solid = hydrogen,
  dotted= ionic