What is the difference between rough ER and smooth ER?

Plants use carbohydrates to build things such as cellulose. How do plants acquire these building blocks to build mass? a. They absorb carbohydrates through the soil. b. They absorb dissolved carbohydrates via water. c.

What is the kinetic energy of a 155 kg object that is moving with a speed of 18 m/s? With Details.

Select the correct answer. Jon is a scientist researching the heat value of coal. Which heat measurement should he use? A. degrees centigrade B. joules C. degrees Celsius D. degrees Fahrenheit E. British Thermal Units (BTUs)

Why would a cell need a cell membrane?

Which of the following environmental factors affected the rate of reaction the most? A. Increased heat B. Acid C. Decreased heat D. Base

You are observing two juvenile chimpanzees. When they first meet, they embrace. They then begin tickling each other and wrestling mildly. Would you characterize this behavior as affiliative or aggressive?

Why do many different types of proteins exist even though there are a limited number of amino acids

What is a difference between embryonic and adult stem cells? embryonic stem cells are undifferentiated; adult stem cells are partially differentiated. it is easier to enucleate embryonic stem cells.

A cell must be from a plant if the cell has:

What are two examples of the way the actions of humans harm some living things?