Question

question 24
1 pts
mitochondria, golgi apparatus, and endoplasmic reticulum are examples of:
○ molecules.
○ cytoplasm.
○ organelles.
○ plasma membranes.

question 25
1 pts
molecules are:
○ atoms combined to form larger chemical aggregates.
○ electrons orbiting nuclei.
○ a complex of electrons arranged in concentric shells.
○ composed of cellular organelles.

question 26
1 pts
in anatomical position the wrist is ______ as compared to the elbow
○ inferior
○ proximal
○ superior
○ pronated

Explanation:

Question 24

Mitochondria, Golgi apparatus, and endoplasmic reticulum are structures within a cell that have specific functions. Molecules are chemical units, cytoplasm is the fluid matrix, plasma membranes are the cell's outer layer. Organelles are specialized structures in cells, so these are organelles.

Molecules are formed when two or more atoms bond together. Electrons orbiting nuclei describe atoms, electron shells are part of atomic structure, and molecules aren't made of organelles. So molecules are atoms combined into larger chemical aggregates.

In anatomical position, "inferior" means below, "proximal" is closer to the trunk, "superior" is above, "pronated" is a hand position. The wrist is below (inferior) to the elbow? No, wait, anatomical terms: proximal is closer to the origin (elbow is closer to shoulder, wrist is farther? Wait no, wait: proximal is closer to the trunk, distal is farther. Wait the options: inferior is lower (but in terms of body, maybe I messed up. Wait, no: the wrist is distal to the elbow, but the options here: inferior, proximal, superior, pronated. Wait, maybe the question has a typo or I misremember. Wait, no—wait, "inferior" is towards the feet, "superior" towards the head. The wrist is below (inferior) to the elbow? No, the elbow is above the wrist in vertical position? Wait, no, anatomical position: standing, arms at sides, palms forward. The wrist is distal to the elbow, but the options here: the options are inferior, proximal, superior, pronated. Wait, maybe the intended answer is "inferior"? No, wait, no—wait, "proximal" is closer to the trunk. The elbow is closer to the shoulder (trunk) than the wrist, so the wrist is distal, but the options don't have distal. Wait, the options: inferior (lower in position, like foot is inferior to head), superior (upper), proximal (closer to trunk), pronated (hand position). Wait, maybe the question is using "inferior" incorrectly, but among the options, the wrist is inferior (lower) than the elbow? No, the elbow is above the wrist. Wait, maybe I made a mistake. Wait, no—wait, the wrist is distal to the elbow, but the options here: the only one that makes sense is "inferior"? No, that's not right. Wait, maybe the question has a mistake, but among the options, the correct anatomical term for wrist relative to elbow (in terms of proximity to trunk) is distal, but since that's not an option, maybe the intended answer is "inferior"? No, I think I messed up. Wait, no—wait, "proximal" is closer to the trunk. The elbow is proximal to the wrist (since elbow is closer to shoulder, wrist is farther). So the wrist is distal, but the options don't have distal. Wait, the options are inferior, proximal, superior, pronated. So the wrist is inferior (lower) than the elbow? No, the elbow is above the wrist. Wait, maybe the question is wrong, but among the options, the answer is "inferior"? No, I think I made a mistake. Wait, no—let's check again. Anatomical position: the body is upright, feet together, arms at sides, palms forward. The wrist is below the elbow? No, the elbow is at the bend, the wrist is below (towards the hand) which is inferior (lower) in vertical position. So the wrist is inferior to the elbow. So the answer is inferior.

Answer:

C. organelles.

Question 25