Cambridge A Level Biology

Identify the parts of the nephron structure.

a

b

c

d

e

f

Descending Loop of Henle

Distal convoluted tubule

Collecting duct

Bowman's capsule

Ascending Loop of Henle

Proximal convoluted tubule

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

• GLUT4

• Brain

• GLUT2

• Muscle

• GLUT1

• Liver

Organize these options into the right categories

Groups:

(a) Increased Transpirtation

,

(b) Decreased Transporation

• Heavy rain
• High wind

• Cold temperatures
• Low humidity

• No wind

• High heat

• Strong sunlight

• 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+

• Na+ and Cl-

• Glucose

• Amino Acids

• Water when ADH is present

• Water