How many variables should you change in a controlled experiment?

one

two

four

as many as possible

Which of the following cells would most likely have the greatest concentration of densely packed rough endoplasmic reticulum

Goes to the kidneys to extract water from the excretory system and put it back into the

The scarcity of food affect the size of a finch population

Why is it important to diagnose type i gaucher disease as soon as possible after birth?

What does the symbol within each box of the periodic table refer to?

Which statement best describes the life cycle of plants such as ferns

Melting snow ponds and water found in rolls are examples of

Do bears have any other Behavioral Adaptations other than hibernation.

Enhancer i can stimulate the transcription of gene a, but the insulator blocks its effect on gene b. enhancer ii can stimulate the transcription of gene b, but the insulator blocks its effect on gene a.

Anna heated 15 g of Substance A to obtain 5 g of substance B, 4 g of Substance C, and a certain amount of Substance D, which statement is correct A) the mass of substance D was 10g less than the mass of substance A B) the mass of substance D was 1 g