Which isotope dates rocks a billion of years old

Most multicellular organisms are composed of cells with different shapes and sizes, and those cells perform different functions. What is the best explanation for this? A.

How is protein used by the body? Select all the possible metabolic fates of protein from the options below. Options: Production of fatty acids Synthesis and repair of muscle tissue Production of ATP Synthesis of glucose

Tammy and maureen enjoy a glass of wine with dinner. after the meal, each woman has a cigarette with a cup of coffee. how many psychoactive drugs did the women consume?

Which inorganic compound essential to cells is missing from the chart? A. Lipids - found in cell members B. Lipids - dissolves and transports substances

Which of the following is a function of nuclear pores?

In what way does translation change information? A. From a nucleic acid code to an amino acid code B. From an amino acid code to a nucleic acid code C. From a tRNA code to an mRNA code D. From a RNA code to a DNA code

On a food label, the "% of daily value" table compares key nutrients per serving for a person consuming how many kcalories daily?

What is a gamete apex?

If you have a concern about fluoride in your drinking water, how do you get more information?

ER, Golgi body and other membrane bound organelles often work together to produce a finished functional product. What structure connects them?