When you touch a hot pan your hand will pull away without you thinking about it.
Explain how the nervous system sends the signal and causes the effect of pulling your hand away, including the different neurons the signal is passed between, without conscious control. (6 marks)

Agene with the original sequence of atgtt—tact underwent substitution mutation to form atatt—tact after a few generations. tact is a part of a muscle protein encoding region, and atgtt codes for a digestive enzyme. what will be the effect of this mutation? a. the production of muscle protein will be affected. b. the production of digestive enzymes will be affected. c. the production of both the protein and the enzyme will be affected. d. the production of neither the protein nor the enzyme will be affected.

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels