<span>At least 50% of the variation in the trait in the population is due to genetic differences.</span>
Answer:
Oocyte: A cell in a ovary which may undergo meiotic division to form an ovum
Answer:
Carbohydrates may be defined as the polymers of the sugars and one of the most important biomolecule of the living organisms. Carbohydrates plays an important structural and functional role.
Carbohydrates are always present on the exoplasmic surface of the plasma membrane. The are present in the association with the proteins and lipids as glycoproteins and glycolipids. These carbohydrates acts as the signaling molecule that display information on cell surface.
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Answer;
-Down the concentration gradients; evenly distributed
Diffusing molecules move down the concentration gradients until they are evenly distributed.
Explanation;
Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.
-Whenever a substance exists in greater concentration on one side of a semipermeable membrane, such as cell membranes, any substance that can move down its concentration gradient across the membrane will do so. If the substances can move across the cell membrane without the cell expending energy, the movement of molecules is called passive transport.
-The mechanism of molecules moving across a cell membrane from the side where they are more concentrated to the side where they are less concentrated is a form of passive transport called simple diffusion.
Sensation
detection of physical energy by sense organs, which then send info to the brain
- Detection of stimuli by sense organs
- how info gets to our brain = detecting stimuli
- allows us to pick up the signals in our environment
- ex. vision- going through eye to visual cortex and smell - going through nose.
