Answer:
A, C, D are true, B is false
Explanation:
Prokaryotic cells are surrounded by a plasma membrane, but they have no internal membrane-bound organelles within their cytoplasm. They have a cell wall and cytoplasm containing ribosomes
Answer:
C
Explanation:
Contractile Vacuoles are a cellular structure that regulates osmosis.
Answer:
Permeable membranes allow anything to pass through.
Impermeable membranes have a poor permeable rate or nothing can pass through.
Semipermeable membranes select or allow only certain substances to pass through.
Explanation:
Permeable Membranes:
- Window screen - can pass water and air through 100%
- Mesh - can pass water and air through 100%
Impermeable Membranes:
- Clay - permeability rate is extremely low, and water cannot pass through
- Ziplock bag - nothing can come in or out
Semipermeable Membranes:
- Plant and Animal cell membranes (lipid bilayer) - only certain substances can pass through, like soluble vitamins
- Cell Organelle Membranes - only certain substances can pass through the mitochondria, for example
Answer:
A
Explanation:
I am pretty sure sorry if i am wrong
Answer:
Deletion mutation
Explanation:
A deletion mutation can remove a single nucleotide, or entire sequences of nucleotides
