memory aids?

Question 1

Food Testing

Answer 1

Uncle Benedict eats nothing but sugar – testing for sugars

Uncle Biuret (he’s French) eats only meat (protein) – testing for protein

Question 2

The Cell Cycle

Answer 2

Green - Growth

Dogs – DNA Replication

Can – Chromosomes condense

Mate – Middle (chromosomes line up at middle)

Producing – Pull apart (chromosomes separate to opposite ends of cell

Tiny – Two nuclei form

Dogs – Daughter cells form (identical)

Question 3

The Heart, veins vs arteries

Answer 3

Vein or Tovvards - blood in

AA - Arteries Away

Question 4

Why does increased heart rate allow more exercise = OGRE

Answer 4

O – Oxygen (more)

G – Glucose (more)

R – Respiration (more)

E – Energy (more for muscle contraction)

Question 5

Spread of Disease

Answer 5

DAFT – Droplets, Animals, Food, Touch

Question 6

First line of defence

Answer 6

CHASM – Cilia, Hairs (nose), Acid, Skin, Mucus

Question 7

Effect of damage to leaves

Answer 7

Chloroplast (less), light (less), photosynthesis (less), glucose (less), energy (less), respiration (less), growth (less) via proteinsynthesis

Question 8

Uses of Glucose in Plants

Answer 8

OSCAR

Oils and lipids

Starch

Cellulose for cell walls

Amino acids (by reacting with nitrogen)

Respiration

Question 9

RRR+M

Answer 9

RR - Reliability – repeatability AND remove anomalies and calculate mean -

Question 10

AA

Answer 10

AA - Accuracy – apparatus (use better e.g. digital instrument) - AA

Precision – decrease intervals, make more measurements, repeat.

Question 11

Hypothesis sentence structure:

Answer 11

As X changes, y changes because…

X = independent variable, y = dependent variable.