How many protons and electrons does calcium ion have?

Which one of these is not an example of intercellular communication? Question 5 options: Chemical signal from pituitary gland to adrenal gland. A vesicle encloses over a nutrient molecule. Chemical messengers dock onto receptors of adrenal gland.

The release of food from the stomach into the small intestine is regulated by the:

What type of Earth scientist would study the ways of predicting earthquakes? Explain your answer.

describe the history of at least three major discoveries that led to our current understanding of hominid evolution?

In humans, a combination of XX chromosomes results in a female zygote and that of XY results in a male zygote. From whom does a male zygote inherit an X chromosome

When a cells volume becomes to great for the surface area to maintain the cell will A) die. B) divide. C) grow. D) move.

Fatty acids and glycerol are produced from the metabolism of

A rabbit is eating leafy plants on a sunny day. What is happening to the carbon in the plants and in the rabbit? a Carbon is only moving out of the living things; it is not moving into them. b With this information, there is no way to know for sure.

During the process of RNA transcription, which of the following steps is not included?

What is the odd one out of breathing, sweating, respiration and why?