“An electron has a charge, a neutron has a charge, and a proton has a charge.” Spelling must be correct for credit

Please match the numbers with the correct description, function, or organ.

Sodium occurs more in the extracellular matrix (outside) of the cell. Therefore, it has a concentration gradient. Please describe how this gradient would work using diffusion. Where would sodium move following the gradient? What would it look like if sodium needed facilitated diffusion to move?

Which of the following is NOT part of the urinary system? No partial credit.

A box on a straight, flat conveyor belt in a packing plant has position x1 = –1.4 m and velocity v1 = –0.8 m/s. It then has position x2 = +2.6 m and velocity v2 = +1.2 m/s at a time 7.4 seconds later. What was the box’s average velocity during that 7.4 second period?

Which letter is the golgi?

Which is NOT a carbohydrate?

What type of chemical reaction is shown here?  

The polar head of a phospholipid is ____________and is orientated _______ in the plasma membrane of the cell. 

Based on your knowledge of homeostasis, what is happening in the situation below? Lactation (Milk Let-Down Reflex): Infant suckling stimulates sensory receptors in the nipple → hypothalamus signals oxytocin release → oxytocin causes milk ejection → more suckling → more oxytocin, continuing until feeding stops.