Production of Needed Material

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A plant cell does not have a plasma membrane like animal cells.

false

The process involving the division of the nucleus in a reproductive cell

meiosis

The fibers which direct the even distribution of chromosomes

spindle

How is all the information contained in the DNA molecule able to fit in the nucleus?

the double strand is twisted and coiled

The reproductive cells in sexual reproduction

gametes

Each physical trait of an organism is produced by the instruction of a particular _____.

gene

Involved in producing and packaging secretions

golgi bodies

produce and package cell secretions

golgi bodies

The primary cell wall is the layer made of arranged cellulose fibers.

inner, randomly

The pinching in of the animal cell during cell division

cleavage furrow

In what form is coded information found in DNA?

the type and sequence of molecules along each strand

A gene is a subunit of information within a chromosome.

true

The cell wall of a plant is like a laminated two layer structure.

true

no cell wall, only plasma membrane: no large vacuole, only small ones: no chlorophyll or chloroplasts: cell plate and no centrioles in cell division: cleavage furrow plus centrioles in cell division: presence of cell wall: large hypertonic vacuole: chloroplasts and plastids:

animal cell animal cell animal cell plant cell animal cell plant cell plant cell plant cell

Why will external fluid flow into a plant cell?

because the external water concentration is greater because the external salt concentration is less

The intercellular material that holds plant cells together

cell cement

A septum which forms to separate the two new plant cells

cell plate

cellulose: phospholipid and protein: gives strength to cell: selective membrane:

cell wall plasma membrane cell wall plasma membrane

Material which makes up the structure of the cell wall

cellulose

play a role in the formation of the spindle during cell division

centrioles

produce the spindle fibers for cell division

centrioles

Chloroplasts contain , necessary for photosynthesis by green plants.

chlorophyll

A packet of chlorophyll arranged in stacks within a plant cell

chloroplast

Serves to trap the sun's energy for photosynthesis

chloropyll

A major unit of the genetic code is called a(n):

chromosome

contain genes with the information controlling cell

chromosomes

The new cells resulting from the division of the mother cell

daughter cell

An interconnected series of tubes in the cytoplasm is called the _____.

endoplasmic reticulum

channel through which molecules move in cytoplasm

endoplasmic reticulum

channels for transporting molecules within the cell

endoplasmic reticulum

A plant cell will become soggy and limp when it is filled with water.

false

Cell division of both plants and animals is an identical process.

false

Ribosomal RNA is produced in the cytoplasm.

false

Science has shown how information can only be gathered by the known laws of physics and chemisty.

false

The cell wall of a plant is made from phospholipids and cellulose.

false

Which statements are correct concerning human DNA?

it contains 46 chromosomes each strand contains the chromosomes from one parent

What characteristic is completely unique about DNA

it contains coded information

The process involving the division of the nucleus of a body cell

mitosis

The cell that is about to undergo binary fission

mother cell

Ribosomal RNA is produced by:

nucleoli

produce r-RNA to make ribosomes

nucleolus

DNA is located within the:

nucleus

round structure within the cell

nucleus

The secondary cell wall is the layer having layers of fibers.

outer, parallel, cellulose

Makes up the structure of the ribosomes

r-RNA

The _____ are responsible for linking amino acids together.

ribosomes

tiny structures which synthesize proteins

ribosomes

. Substances produced by the Golgi bodies

secretion


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