Chapter 1 vocab Flashcards

1
Q

The smallest unit that can preform all life processes; cells are covered by a membrane and have DNA and cytoplasm.

A

Cell

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2
Q

A phospholipid layer that covers a cell’s surface; acts as a barrier between the inside of a cell and the cell’s environment.

A

Cell Membrane

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3
Q

One of the small bodies in a cell’s cytoplasm that are specialized to preform a specific function.

A

Organelle

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4
Q

In a eukaryotic cell, a membrane-bound organelle that contains the cell’s DNA and that has a role in processes such as growth, metabolism, and reproduction.

A

Nucleus

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5
Q

An organism that consists of a single cell that does not have a nucleus.

A

Prokaryote

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6
Q

Eukaryote an organism made up of cells that have a nucleus enclosed by a membrane; eukaryotes include animals, plants, and fungi, but not archaebacteria or eubacteria.

A

Eukaryote

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7
Q

A ridge structure that surrounds the cell membrane and provides support to the cell.

A

Cell Wall

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8
Q

Cell organelle composed of RNA and protein; the site of protein synthesis.

A

Ribosome

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9
Q

A system of membranes that is found in a cell’s cytoplasm and that assist in the production, processing, and transport of proteins and in the production of lipids.

A

Endoplasmic Reticulum

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10
Q

In eukaryotic cells, the cell organelle that is surrounded by two membranes and that is the site of cellular respiration.

A

Mitochondrion

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11
Q

Cell organelle that helps make and package materials to be transported out of the cell.

A

Golgi complex

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12
Q

A small cavity or sac that contains material in a eukaryotic cell.

A

Vesicle

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13
Q

A cell organelle that contains digestive enzymes.

A

Lysosome

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14
Q

A group of similar cells that preform a common function.

A

Tissue

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15
Q

A collection of tissues that carry out a specialized function of the body.

A

Organ

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16
Q

A group of organs that work together to preform body function

A

Organ System

17
Q

A living thing; anything that can carry out life processes independently

A

Organism

18
Q

The arrangement of parts in an organism

A

Structure

19
Q

The special, normal, or proper activity of an organ or part.

A

Function