Which characterisitics of the dna it function as a set of instructions for making these specific proteins? a. the sugar-phosphate backbone of the dna b. the three-dimensional structure of the dna c. the way in which the necleotides are ordered on the dna d. the hydrogen bonds that hold together the nucleotides on the dna

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

What is the function of the somatic nervous system? connects the brain and the spinal cord to the rest of the body carry signals to the muscles and glands includes all nerves controlling the muscular system and external sensory receptors controls internal organs like the heart and bladder