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structure membrane
The function of the _____ is: to take in nutrients and excrete wastes, to send
and receive chemical and electrical messages, and to join with other cells
and form tissues
cell wall, large central vacuole, and plastids
Animal and plant cells have most things in common except for...?
vesicle
A _____ is a small, membrane-bound organelle that serves to store or
transport substances within a cell.
Cytoplasm, containing 90% water, ions, sugars, amino acids, and
ATP.
What is the "watery" substance called in a cell and what does it contain?
thymine, cytosine
,In a DNA molecule, adenine always pairs with _____, while guanine always
pairs with _____.
4
How many different nucleotides are there?
DNA replication
__________ occurs when the DNA molecule "unzips" and the separated
strands become templates alone which complementary nucleotides attach
themselves.
DNA, protein
Phage consists of two chemical compounds: _____ and _____
semi-conservative replication of DNA
What is the name of the type of replication that produces 2 identical
molecules, each made up of one parent strand and one daughter strand?
The structure of DNA
What did James Watson and Francis Crick discover?
transformation
,Frederick Griffith inadvertently discovered that hereditary material can be
transferred from one bacterium to another. This phenomenon is known as
_____
A twisted ladder or double helix
What does a DNA molecule look like?
adenine, guanine, cytosine, and thymine
What are the four types of bases found in DNA?
nucleotide
A _____ consists of one of the four bases, deoxyribose, and a phosphate
group
Thymine, cytosine
_____ and _____ belong to the class of nitrogenous bases called pyrimidines.
the anti codon
Which feature of tRNA enables it to bind to mRNA?
ribosome
The _____ is the site of protein synthesis within a cell
, eukaryotes
DNA is contained within a membrane-bound nucleus in _____
Adenine, guanine
_____ and _____ belong to the class of nitrogenous bases called purines.
Purines, pyrimidines
_____ and _____ are two classes of nitrogenous bases.
Translation
_____ is the process transcribed into messenger RNA is converted to a
polypeptide.
Introns, exons
_____, the non-coding segments of a gene, are cut out of an mRNA transcript,
where _____ are spliced.
nucleotide
A _____ is the basic structural unit of DNA