Chapter 1 Flashcards
Cellular projection that are hair-like and move materials across the cell surface?
Cilia
Finger-like projections on the outside of the cell that increase the surface area for absorption?
Microvilli
Part of a solution that gets dissolved?
Solude
Our head, neck, and trunk make up the _______ region of the body.
Axial
Division of the nucleus:
Mitosis
Cellular projection that are tail-like that propels a cell?
Flagella
Endoplasmic reticulum that synthesizes proteins?
Rough
Organelle that digests non-usable materials in the cell?
Lysosomes
Membrane junction that anchors to prevent cells from being separated?
Desmosomes
Passive transport in which particles move from high to low concentration?
Diffusion
Organelle that detoxifies harmful substances and breaks down free radicals in the cell?
Peroxisomes
These are contained in the cytoplasm and perform functions for the cell?
Organelles
Type of diffusion in which water moves through aquaporins or the phospholipid bilayer?
Osmosis
Organelle that provides energy for the cell?
Mitochondria
If you are cold and your body alters the circulation near the skin in order to conserve heat, what characteristic of life is this representing?
Regulation
Part of a solution that does the dissolving?
Solvent
Contains genetic material:
Nucleus
The nucleoplasm in the nucleus and the cytosol in the cytoplasm are known as ______ fluid.
Intracellular
List the three types of cytoskeleton from smallest to largest:
Microfilaments, intermediate filaments, microtubules
Active transport is used for substances that are:
Too large, not able to dissolve through membrane, have to move against concentration gradient.
Type of RNA that carries instructions for building proteins from the nucleus to a ribosome?
mRNA
The fluid on the exterior of the cell is known as:
Extracellular
Membrane transport in which no energy is required?
Passive