Animal Cell Organelles
What controls what goes in and out of the cell?
Cell membrane
What pigments are contained in chloroplast?
1. Chlorophyll
2. Carotenoids
Why do cells divide? List 3 reasons
1. growth
2. repair
3. reproduction
True or False: Can stem cells be found in bone marrow?
True
In the digestive system, this organ is responsible for absorbing water from undigested food
Large intestines
What is the role of mitochondria in a cell?
Powerhouse of the cell
What is the function of the cell wall?
To provide rigid structure and support to the cell
At what phase does DNA replication occur?
S phase (Interphase)
What is a tumour?
A mass of cells that divide uncontrollably
When inhalation occurs, how do our ribs and diaphragm move?
Ribs- outwards
Diaphragm- downwards
List 2 organelles that only animal cells have?
1. Lysosome
2. Centriole
Why is the vacuole an important organelle in plant cells?
Water and minerals are stored in the vacuole
At what phase are chromosomes pulled apart?
Anaphase
What is the difference between benign tumor and malignant tumor?
Benign= no serious effect
Malignant= cancerous
Where does most chemical digestion take place?
Small intestines
What is the difference between rough and smooth endoplasmic reticulum?
Rough= has ribosomes attached
Smooth= does not have ribosomes attached
What 3 organelles do plant cells have that animal cells do not have?
1. Vacuole
2. Cell wall
3. Chloroplast
At what phase does division of cytoplasm where two daughter cells form occur?
Cytokinesis
What are 3 types of stem cells?
1. Embryonic stem cells
2. Adult stem cells
3. Umbilical cord stem cells
What is the function of the liver?
Produces bile to break down fats
What is the difference between cilia and flagella?
Cilia: tiny hair like extensions
Flagella: long, wavelength movements
Is a plant cell prokaryotic or eukaryotic? Explain how you know
Eukaryotic
a) What are body cells called?
b) How many chromosomes are found in a human body cell?
a) Somatic cells
b) 46
What are 3 characteristics of stem cells?
1. Unspecialized
2. Can divide rapidly
3. Produce cells that become specialized
How are the respiratory system and circulatory system connected?
- Respiratory: breathe in oxygen and breathe our CO2
- Circulatory system: gas exchange at capillaries of alveoli. Blood vessels distribute oxygen throughout the body