Which of the following is the best technique for counting only viable cells?
a. a spectrophotometer
b. dry weight measurements
c. spread plate
d. direct microscopic count
e. chemostat

the function of the protein macromolecule is to move things in and out of the cell and transport other molecules in the body. there are many functions of proteins. they are the basic building blocks of living things and are responsible for the growth and repair of body cells and tissues.

explanation:

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explanation:

thinking it would be physical characteristics

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.