Production of Needed Material
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
