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Estrogen and testosterone are steroid hormones, and are mostlikely to bind to: (a) enzyme linked membrane receptors (b)G-protein linked membrane receptors (c) cytoplasmic receptors (d)hydrophilic transmembrane proteins

Which of the following is NOT TRUE about nuclear receptors?

A. They travel between thenucleus and cytoplasm

B. They are located on thesurface of the nuclear envelope

C. Binding to their ligand results in a conformational changethat results in entrance to the nucleus and activating geneexpression through direct interaction with the DNA

D. They bind to hyrdrophobic ligands that diffuse through theplasma membrane

Lipophilic hormones:

Fullname of DNA and RNA ?

Pollination is best defined as

a)transfer of pollen from anther to stigma

B)germination of pollen grains

C)growth of pollen tube in ovule

D)visiting flowers by insects

7. Which of the following hormones can diffuse through the lipidbilayer of the plasma membrane and bind to receptors inside targetcells? a. Amines b. Peptides c. Nitric Oxide d. Steroid hormones e.Both C and D

Concentrated H2SO4 (sulfuric acid) is 97% by mass and has a density of 1.84g/mL. What is its molarity?

Black fur in mice (B) is dominant to brown fur(b). Short tails (T) are dominant to long tails(t). What fraction of the progeny of crossesBbTt

The equilibrium constant Kp for the oxidation of sulfur dioxide into sulfur trioxide is 5.6×10^-4 at 3500°C. If the equilibrium partial pressures of SO₂ and SO₃ are 0.64 atm and 0.58 atm, respectively, what is the partial pressure of O₂ in the system?