Cambridge A Level Biology

Identify the parts of the nephron structure.

a

b

c

d

e

f

Descending Loop of Henle

Ascending Loop of Henle

Proximal convoluted tubule

Collecting duct

Bowman's capsule

Distal 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

• GLUT1

• Liver

• GLUT4

• Muscle

• GLUT2

• Brain

Organize these options into the right categories

Groups:

(a) Increased Transpirtation

,

(b) Decreased Transporation

• Low humidity

• No wind

• Heavy rain
• Strong sunlight

• Cold temperatures
• High humidity
• High wind

• High heat

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

• Water when ADH is present

• Glucose

• Na+ and Cl-

• Water