Hairs are mostly fibrous proteins and are composed of keratin, and also the main constituent of skin, nails, wool, woof, feathers etc.
Keratin is the essential fibrous protein which has a structural and protective functions in the epithelium.
Answer:
The light-dependent reactions use light energy to make two molecules needed for the next stage of photosynthesis: the energy storage molecule ATP and the reduced electron carrier NADPH.
Here are the basic steps:
Light absorption in PSII. ...
ATP synthesis. ...
Light absorption in PSI. ...
NADPH formation.
Explanation:
Answer:
Sartorius and Stapedius muscle
Explanation:
Sartorius is the longest and stapedius is the thinnest
1. milliliters
2. inches but centimeters are also acceptable
3. grams
The elements in each group have the same number of electrons in the outer orbital