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Unit 1
Question | Answer |
---|---|
System that functions to signal other body parts by releasing hormones: | Endocrine |
Water molecules tend to interact with each other via __________ bonds. | Hydrogen |
If a red blood cell is placed in a hypotonic solution: | The cell will swell and may burst |
The 2 major components of the cell membrane: | Phospholipids and proteins |
A major characteristic of life: | Reproduction |
Word segment that means "wall": | Pariet |
Acids are defined by releasing this species into solution: | H+ |
Negatively charged subatomic particles that orbit the nucleus: | Electrons |
Bond that forms due to the electrostatic attraction between atoms after the complete transfer of electrons between a donor and a recipient: | Ionic |
Atomic number indicates the number of __________ in an atom. | Protons |
Plane of section that divides the body into superior and inferior portions: | Transverse |
Body region known as the armpit: | Axillary |
Lysosomes are best described as: | A membranous sac that is the "garbage disposal" of the cell since it contains powerful enzymes that can breakdown foreign substances |
Part of the cell cycle when DNA replicates: | Interphase |
Variations of an element whereby atoms may have different atomic weights due to different numbers of neutrons: | Isotopes |
Body region known as the back (bend) of the knee: | Popliteal |
Enzymes are known as biological __________. | Catalysts |
Cavity that contains the brain: | Cranial |
Cephalic region refers to the: | Head |
Characteristic of life that involves being able to react to stimuli: | Responsiveness |
The knee is __________ to the foot. | Superior |