Answer:
The correct answer is - 1. true, 2. true, 3. false, and 4. true.
Explanation:
1. Rod cells are the photoreceptors present in the retina that are hyperpolarized not depolarized in dark due to sodium ions efflux.
2. Depolarisation of the bipolar cell of the retina by glutamate release by rods and cones.
3. The adaption according to the light is known as a light adaptation which takes place due to a large part of photochemical in both rods and cones which is reduced to retinal and opsins.
4. when the light reaction takes place retinal converted to opsin
Answer:
I'm pretty sure the answer is B
Explanation:
Answer;
-Phospholipids and protein
Explanation;
-The plasma membrane is composed of a phospholipid bilayer arranged back-to-back. It is also covered in places with cholesterol molecules and proteins. The plasma membrane is selectively permeable and regulates which molecules are allowed to enter and exit the cell.
- The membrane is an extremely thin layer of lipids and protein that forms outer boundary of every cell, It controls movement of molecules between the cell and its environment, Participates in joining cells to form tissues and organs and also plays important role in the ability of a cell to respond to changes in the cell's environment.
The color of biohazard symbols has identification in the
medical office in which they identify which hazard is placed on the container
such as;
<span>·
</span>Yellow bags – infectious waste, objects
contacted with body fluids or human body parts
<span>·
</span>Red bags – syringes, IV bottles, tubings and
catheters
<span>·
</span>Black bags – sharp materials and blades
<span>·
</span>Blue bags – glass, medicine and bottles
