Some molecules are too big to pass through the phospholipid bilayer of the cell membrane. these molecules need to pass through that are embedded in the cell membrane. a) proteins b) ribosome c) cell wall d) carbohydrates

Which organelles are involved in energy conversion

1. the is the thinnest part of the earth. 2. the is the thickest part of the earth. 3. what metals are mentioned in the text?

What is the function of the somatic nervous system? connects the brain and the spinal cord to the rest of the body carry signals to the muscles and glands includes all nerves controlling the muscular system and external sensory receptors controls internal organs like the heart and bladder