DNA/RNA Structure
Splice and Dice
Operate an Operon
Transduction
To Clone or Not to Clone that is the Question
100
What are the 4 nucleotide bases of DNA?
Adenine, Guanine, Cytosine, and Thymine
100
Producing an mRNA molecule from a DNA template is called:
Trasncription
100
______ cells control gene expression using Operons.
prokaryotic
100
______ convert molecular messages to cellular responses
transduction pathway
100
cells that give rise to all specialized cells in the body
embryonic stem cells
200
In terms of evolution, the packaging of DNA around histones is good for___
Tight gene control and protection for the DNA
200
What permits a single gene to code for more than one polypeptide?
alternative RNA splicing
200
The lac operon controls the production of a protein used to ______.
metabolize (break down) lactose produce lactase enzyme
200
Animal development is directed by (2 things)
cell-to-cell signaling and signal transduction pathways
200
Growing cells for replacement or repair of damaged or diseased organs is called:
therapeutic cloning
300
_____ wrap around the DNA for organization and compaction
nucleosomes
300
Portions of the human genome that do not encode for polypeptides are known as:
Introns
300
In a prokaryote, a group of genes with related functions, along with their associated control sequences, is called:
an operon
300
To initiate a signal-transduction pathway, a signal binds to a receptor protein usually located in the:
plasma or cell membrane
300
Producing genetically identical organisms for agriculture, research, or saving endangered species is called:
Reproductive cloning
400
The coding regions of a gene (the portions that are expressed as polypeptide sequences) are called:
Exons
400
Proteins around which DNA is coiled are called:
Histones
400
in the absence of lactose, the ___ is bound to the DNA in the lac operon.
repressor
400
An example of a transduction pathway is epinephrine binding to a __ cell to imitate the release of __.
liver/glucose
400
Steward's experiment with carrot cells revealed that _____.
an entire plant can grow from a differentiated cell
500
The first step in initiating eukaryotic gene transcription is the binding of _____ to enhancers or the TATA box.
Transcription Factors
500
The mosaic color pattern of a calico cat results from what process?
X chromosome inactivation
500
the normal flora that aid in the digestion of milk in the intestines of humans are:
Ecoli bacteria using the lac operon
500
These are the three stages of signal transduction:
reception, transduction, and response
500
Using nuclear transplantation, it is possible to generate _____ for therapeutic uses.
blastocysts (16+ cells)
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