What is the difference between linking glucose molecules with α-1?

Evolution acts upon the population of organisms and not on each individual organism

How can scientists use the fossil record to find evidence of relationships between different species?

You have trained year for a marathon. in your first attempt to run a marathon, you decide that you want to complete this 26-mile race in 4-5 hours. a. what is the length of a marathon in kilometers (1mile= 1.6 kilometers). b. what would your average speed have to be to complete the race 4.5 hours? give your answer in kilometers per hour.