Class Practice Questions Flashcards
What is positive feedback?
it amplifies a change
Where are the parts of ribosomes synthesized?
in the Nucleolus
How are the parts of the ribosomes transported to their destination?
by vaults
where are the Ribosomes found?
In the Rough ER and freely in the cytoplasm
What is the extracellular fluid made of?
Interstitial fluid and plasma
Which of the following attaches bone to muscles?
Tendons
What causes scurvy?
Lack of Collagen
What is the first stage of Mitosis?
Prophase
What is the stage in cell division where chromosomes align to the midlines?
Metaphase
Which process is used for cell drinking?
Pinocytosis
Malfunction of this organelle causes Tay-Sachs?
Lysosomes
The cell has 400 m M of ions inside, while the concentration is 50m M. What process can it use to bring more ions inside?
Active transport
Apoptosis is messy cell death. True or false
False
Proteins are divided into 2 parts?
- Integral/Trans-memberane proteins
- Peripheral proteins.
What are the tunnels that connect one cell to another?
Connexons