A molecular biologist measures the mass of cofactor A in an average yeast cell. The mass is . What is the total mass in micrograms of cofactor A in a yeast colony containing cells? Write your answer as a decimal.

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from

What is the correct order of cell division? include what happens in each phase

When does a spring tide occur? question 9 options: they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur twice a year in the spring and fall. they occur on the date of the vernal equinox each year, no matter what stage the moon is in. this is why they are called spring tides. they occur when the sun, moon, and earth are at 45-degree angles from each other. this happens once every spring. they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur all year long.