Which groups of organelles is directly responsible for the production of new molecules within a cell?
a) ribosomes, the endoplasmic reticulum, and golgi apparatuses
b)golgi apparatuses, lysosomes, and the plasma membrane
c) the endoplasmic reticulum, plastids, and vacuous
d) the nucleolus, vacuoles, and ribosomes

Coat color in cats is determined by genes at several different loci. at one locus on the x chromosome, one allele (x ) encodes black fur and another allele (xo) encodes orange fur. females can be black (x x ), orange (xoxo), or a mixture of orange and black called tortoiseshell (x xo). males are either black (x y) or orange (xoy). bill has a female tortoiseshell cat named patches. one night, patches escapes from bill\'s house, spends the night out, and mates with a stray male. patches later gives birth to the following kittens: one orange male, one black male, two tortoiseshell females, and one orange female. what are the genotypes of patches, the stray male, and the kittens?

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

Is this mrna or rna need need the answer in a hurry