9.How does a hummingbird's beak help it to meet its basic needs?Lector inmersivo (1 Punto)

The beak helps the bird to fly.

The beak allows the bird to swim fast.

The beak scares away predators.

The beak allows the bird to eat the nectar out of flowers.

Asingle-molecule microscopy experiment is performed on a slide containing 1000 molecules each of green, red, cyan, and yellow fluorescent proteins (gfp, rfp, cfp, and yfp, respectively). the experiment measures the number of antibodies bound to each type of protein, finding that 900 molecules of gfp, 10 of rfp, 1 of cfp, and 3 of yfp are bound at 1 nm concentration of antibody. a. what is the specificity of the antibody for gfp? b. what is the kd of the gfp–antibody interaction?