BIO 1140 exam 3 review

What's something that a eukaryotic cell has that a prokaryotic cell does not?

• DNA

• Cell wall

• Nucleus

• Ribosomes

What are prokaryotic cell walls made out of?

• Penicillan

• Polypeptide

• Preproinsulin

• Peptidoglycan

Why are antibiotics effective against prokaryotes but not our body cells?

• They target cell walls and dense small ribosomes

• They target DNA and mitochondria

• They target cell membranes and nucleoid

• They target DNA and ribosomes

Diabetes is a condition characterized by _____________.

• Hypercalcemia

• Hypocalcemia

• Hyperglycemia

• Hypoglycemia

When a type 2 diabetic eats, sugar is released in the blood and then

• Beta cells release insulin and body cells uptake the sugar.

• Beta cells release insulin but body cells do not uptake sugar.

• Beta cells do not release insulin for body cells to uptake sugar.

• Signal transduction via insulin occurs.

Where can the insulin gene, preproinsulin, be found?

• Chromosome 7

• Chromosome 21

• Chromosome 12

• Chromosome 11

What stage will insulin be at when it reaches the first transport vesicle?

• Preproinsulin

• Proinsulin

• Insulin

• Proinsulin + enzymes

What is the a1c test?

• It measures blood glucose concentration before and 2 hours after drinking sugary drink

• It measures % of blood sugar attached to hemoglobin over the past 2-3 months

Which of the following is a treatment for someone with type 1 diabetes?

• Diet

• Exercise

• Insulin injections

• Metformin

Which of the following does NOT contribute to the structure of our semi-permeable cell membranes?

• Phospholipid tails with double bonds

• Platelets

• Cholesterol

• Hydrophobic interactions