Responding to Change Random Retrieval

Which of the following is a feature of fast twitch muscle fibres when compared to slow twitch.

Name the molecule that carries out the function : Attaches to the Z line at the end of the sarcomere.

Which of the above diagrams represents either end of an 'A Band' in muscle?

Layer B is the layer which contains the photoreceptor cells. What is it's name ? ( Type your answer).

Name part B on the above diagram (type your answer).

True or False: Synapses can only transmit an impulse in one direction?

On the diagram, which type of ion will D allow through when opened on an excitatory synapse?

On the diagram, F is a voltage gated ion channel on an excitatory synapse, but which type of ion does it allow through?

Which of the events ( A- F above) requires ATP ? ( Type the letter in the box)

Name stage 5 on the above diagram ( spell it carefully!)

What do we call the process happening at '3' on the above diagram?

Name protein C in the above diagram.

Name protein A in the above diagram.

The plasma membrane of a neurone at rest is most permeable to which ions via facilitated diffusion?

Which word best describes the charge distribution across a resting axon plasma membrane?

How can charged ions cross a plasma membrane?

• a) Simple Diffusion
• b) Facilitated Diffusion
• c) Active Transport

Maggots follow a scent up a concentration gradient towards a food source. Is this taxis or kinesis?

Mica is like thin glass, and is impermeable to most substances. What does Boysen Jensen's experiment inserting mica show ?

In root tips growing parallel to the soil, where will the highest concentration of IAA be found ?

Which of the following is true?