Cambridge A Level Biology

Identify the parts of the nephron structure.

a

b

c

d

e

f

Proximal convoluted tubule

Descending Loop of Henle

Distal convoluted tubule

Bowman's capsule

Ascending Loop of Henle

Collecting duct

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

• Liver

• GLUT1

• Brain

• GLUT2

• Muscle

Organize these options into the right categories

Groups:

(a) Increased Transpirtation

,

(b) Decreased Transporation

• Low humidity

• High humidity
• High heat

• High wind

• Heavy rain
• No wind

• Strong sunlight

• Cold temperatures

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+

• Amino Acids

• Na+ and Cl-

• Water when ADH is present

• Glucose

• Water