DP Biology Quiz 1

Which is responsible for synthesizing bile?

• Gall bladder

• Large intestine

• Stomach

• Liver

Which is/are the most potent greenhouse gases?

• Water vapour

• Carbon dioxide

• Methane

• Nitrous oxide

What is the target of leptin?

• Medulla

• Pancreas

• Hypothalamus

• Adipose tissue

Which statement is/are true regarding active transport?

• Uses a protein pump

• ATP required

• Down a concentration gradient

• Against a concentration gradient

• Specific protein channel

When an animal cell is placed in a hypertonic solution, what happens?

• The cell becomes turgid

• The cell lyses

• Nothing happens

• The cell shrivels

When does crossing over occur?

• Prophase I

• Metaphase I

• Prophase II

• Metaphase II

Which organelle is responsible for synthesising proteins that function within the cell?

• Golgi apparatus

• SER

• RER

• Ribosomes

Which is the BEST evidence for evolution?

• Gene comparison

• Protein comparison

• Homologous structure comparison

• Fossil record

Which is NOT evidence for endosymbiotic theory? Mitochondria have:

• 80S ribosomes

• Double membrane

• Circular DNA

• Divides by binary fission

Who created the Sandwich Model for the plasma membrane?

• Davson and Danielli

• Singer and Nicholson

• Watson and Crick

• Urey and Miller