Mean # of stomata per. grid is 4.5.
Mean number of stomata per 1mm^2 is 45000.
I'm sorry please I don't know the last one
Answer:
Receptors are highly specific and only have high affinity for those ligands for whom they are specific.
Explanation:
Receptors are proteins that receive a stimulus or bind a ligand and mediate effects via receptor effector system.
Receptors are macromolecules that are highly specific.
The affinity between the ligand and the receptors is determind by the disassociation constant Kd.
The receptors produce maximun effect when an appropriate specific stimulus is present.
Different recptors types are present for different ligands.
For example, muscrinic receptors are specific for acetycholine and adrenergic receptors are specific for adrenaline/nor adrenaline.
It is important to know the specificity so that the body remains in a state of balance.
Answer:
Attract the female attention
Explanation:
Male sage grouse have feathers to the toes, pointed tail and legs, two inflated air sacs on the neck, brown throat and black belly. In the mating season, many male sage grouse gathers in an open area do courtship display to attract the females.
In their courtship display, they erect their feathers like a peacock do and make blooming sound by inflating their air sac. Females choose that male sage grouse which seems to be more attractive to them and mate with that male sage grouse. Therefore the function of this dance is to attract female attention.
Answer:
Shape
Explanation:
Proteins are made up of amino acids. The amino acid sequence in a protein is determined by the nucleotide sequence present in the DNA of the cell. These amino acids join together and makes the primary structure of protein which fold by making hydrogen bonding and determines the shape of the protein.
The shape of the protein determines the function of that protein. If the shape and structure of the protein gets destroyed then the protein will lose its function. Change in pH, temperature, salt concentration, etc can change the shape of protein and make it functionally inactive.
Answer:
option C: B = 0.48; b = 0.52
Explanation:
Of the 50 mice, 12 were homozygous black (BB), 24 were heterozygous black (Bb), and 14 were brown (bb).
BB Bb bb Total
12 + 24 + 14 = 50
the formular for alleleic frequency (p) is (BB+ Bb/2) / total,
q = (bb + Bb/2) / total
Allelic frequecy of B (p) is (12 + 24/2) /50 = 12 + 12 = 24/50 = 0.48
Allelic frequency of b (q) is (14 + 24/2) / 50= 14 + 12 = 26/50 = 0.52
check p + q = 1; 0.48 + 0.52 = 1
