BitWithBite
MDCAT Prep · Biology · Quick Reference
Lesson 7 — Biology MCQ Blast Cheat Sheet
In one line: The fifteen facts this quiz keeps testing — one line each, covering biomolecules, enzymes, cell biology, and genetics.
Fast Recall
1Glucose is the monosaccharide; sucrose/maltose are disaccharides.
2Benedict's test detects reducing sugars; Biuret detects proteins.
3Peptide bonds link amino acids together in proteins.
4Amylase hydrolyses starch into maltose.
5Competitive inhibition is overcome by excess substrate.
6Mitochondria are the primary site of ATP production.
7Hypotonic solution → cell swells or bursts (lysis).
More Fast Recall
8Tay-Sachs = deficient lysosomal enzyme (hexosaminidase A).
9Eukaryotic ribosomes are 80S (40S+60S); prokaryotic are 70S.
10Template strand is read 3'→5' during transcription.
11Uracil replaces thymine in RNA.
12AUG is both the codon for methionine and the start codon.
13Frameshift mutations come from insertions/deletions, not substitutions.
14Sickle cell disease = beta-globin gene mutation (Glu→Val).