It is estimated that the average adult needs calories per day.

Which statement is true about cell differentiation? cell differentiation happens in all cells. results in two new identical daughter cells. causes cells to change type and become specialized. occurs during cell division.

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation

Draw the structure of dna nucleotide with adenine as nitrogenous base