Cambridge A Level Biology

Identify the parts of the nephron structure.

a

b

c

d

e

f

Proximal convoluted tubule

Collecting duct

Ascending Loop of Henle

Descending Loop of Henle

Distal convoluted tubule

Bowman's capsule

The name of the secondary messenger in the glucagon response to low blood sugar

• GLUT4

• cAMP

• Glycogen Phosphorylase

• G Protein

Match the following organs with their GLUT transporter

• GLUT2

• Muscle

• GLUT1

• Brain

• GLUT4

• Liver

Organize these options into the right categories

Groups:

(a) Increased Transpirtation

,

(b) Decreased Transporation

• Strong sunlight

• High wind

• Low humidity

• Cold temperatures
• No wind

• High heat

• Heavy rain
• High humidity

Insulin is secreted by ​ (a)   cells in response to ​ (b)   blood glucose levels and glucagon is secreted by ​ (c)   cells in response to ​ (d)   blood glucose levels

• beta
• alpha
• high
• low

What is the main target organ of glucagon?

• Brain

• Liver

• Muscle

• Kidney

Match the following with their location(s) or reabsorption

Groups:

(a) Proximal Convoluted Tubule

,

(b) Loop of Henle

,

(c) Collecting Duct

• Na+ and Cl-

• Glucose

• Water when ADH is present

• Water

• Na+

• Amino Acids