Which is one reason it is necessary for humans to eat fat? a) saturated fats make blood vessels healthier b) fat stores less energy than ploysaccharides c) every cell in the body must contain fat d) fat is the only way to get energy

Fat is our fuel tank—a strategic calorie reserve to protect against starvation. So I would say it's an essential way to get energy

Pretty sure its B

if you know your abc's you should be able to get your answer or just use google

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.