Biology Quiz 1/21/20

Structure and Function of Nucleus

Nucleus contains nearly all cell's DNA and also the coded instructions for making proteins and other important molecules. It is surrounded by a nuclear envelope and chromatin

Prokaryote

cells that do not enclose DNA in nuclei

types of bulk transport

endocytosis and exocytosis

Things that all cells have

nucleus, cytoplasm, ribosomes, and DNA, cell membrane

What is passive transport

passive transport is diffusion, facilitated diffusion and osmosis.

Homeostasis

relatively constant physical and chemical conditions that cells must maintain

What organelles are important to creating proteins

ribosomes and E.R (endoplasmic reticulum)

Cell Theory

states that all living things are made up of cells, cells are basic units of structure and function in living things, new cells are produced from existing cells

What organelles capture and release energy

the mitochondria and chloroplasts

What two things do the cells in multicellular organisms do to maintain homeostasis

they become specialized for certain tasks and communicate with one another.

Eukaryote vs Prokaryote

Eukaryote encloses DNA in nuclei, Prokaryote do not enclose DNA in nuclei

Cells

Basic units of life

Cell wall + cell membranes

Cell wall supports shapes and protects the cell. Cell membrane regulates what enters and leaves the cell and also protects and supports the cell.

Eukaryote

Cells that enclose their DNA in nuclei

What 4 things do single cell (unicellular) organisms do to maintain homeostasis

They grow and respond to the environment, transform energy and produce.

What organelles are in charge of structure, storage, and support

Vacuoles are in charge of storage, cytoplasm supports the cell and microtubules are in charge of structure.

What is active transport

active transport is molecular transport and bulk transport