Cambridge A Level Biology

Identify the parts of the nephron structure.

a

b

c

d

e

f

Descending Loop of Henle

Bowman's capsule

Ascending Loop of Henle

Collecting duct

Proximal convoluted tubule

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

• GLUT4

• Brain

• GLUT1

• Liver

• GLUT2

• Muscle

Organize these options into the right categories

Groups:

(a) Increased Transpirtation

,

(b) Decreased Transporation

• No wind

• High humidity
• High wind

• Heavy rain
• Strong sunlight

• Low humidity

• Cold temperatures
• 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+

• Na+ and Cl-

• Glucose

• Amino Acids

• Water when ADH is present

• Water