Show:
Reproduction
Response to Stimuli
Enzymes
Cardiovascular System
Gastrointestinal System
100

What is the difference between sexual and asexual reproduction?

Sexual: Combines genetic information from two parents

Asexual: One parent copies itself

100

What type of cells make up the majority of the nervous system?

Neurons

100

Enzymes are biological ___________, which speed up chemical reactions in an organism.

catalysts

100

Which side of the heart pumps oxygenated blood to the body's tissues?

Left side

100

What are the two types of digestion?

Mechanical and chemical
200

What type of reproduction produces genetically unique offspring?

Sexual reproduction

200

What type of signals are sent through neurons?

Electrical signals.

200

Enzymes that break down proteins are known as what?

Proteases
200

Which chamber of the heart receives deoxygenated blood returning from the body?

Right atrium

200
Give 2 functions of the stomach

Stores food.

Churns food (mechanical digestion).

Addition and activation of enzymes (chemical digestion).


300
Bacteria reproduce by what type of asexual reproduction?

Binary fission

300

What is the name for the site where one neuron communicates with another?

Synapse

300

The enzyme present in saliva that starts the chemical digestion of starch and other carbohydrates is called _______.

Amylase

300

What type of blood vessels carry blood away from the heart?

Arteries

300

What occurs in the small intestine?

Chemical digestion and absorption of nutrients.
400

What is parthenogenesis?

Asexual reproduction where an organism lays an egg that develops without requiring fertilisation.

400

The endocrine system uses _________ to send messages around the body to control growth, mood, metabolism, reproduction and other functions.

hormones

400

A substrate binds to the _________ of an enzyme, forming an __________________.

A substrate binds to the active site of an enzyme, forming an enzyme-substrate complex.

400

What is the name of the valve between the right atrium and right ventricle?

Tricuspid valve

400

What is the function of the gallbladder?

Stores bile.

500

In sexual reproduction, when a sperm cell fertilises an ovum, the resultant cell is known as a...?

Zygote

500

A response to stimulus by the body consists of:

1. Stimulus

2. ?

3. ?

1. Stimulus

2. Receptor

3. Effector

500

Name three variables that affect the rate of enzyme activity.

Temperature

pH

Concentration of substrate

Concentration of enzyme

Presence of inhibitors

500

Gas and nutrient exchange occurs in what type of blood vessel?

Capillaries
500
Name two organ systems that the pancreas is part of.

Digestive system and endocrine system.