What type of media is nutrient agar if an antibiotic (like streptomycin) is added?

What system have glands found throughout the body that release hormones into the bloodstream

Ireally need to know this answer asap

Protein provides 4 calories per gram. mary is on a diet that requires her to eat atleast 40 grams of protein each day. shes eaten 152 calories of protein today. how much more protein does mary need to eat to meet her goal?