Which strand is produced more rapidly? - ANSWER-Leading strand
During DNA replication in the lagging strand there is production of this component? -
... [Show More] ANSWER-Okazaki fragment
How many "stop" codons exist? - ANSWER-3
The double helix of DNA is wrapped about 1¾ times around which of these components? - ANSWER-Nucleosome
Which enzyme unwraps the double helix? - ANSWER-Helicase
In the ribosome, what is the name of the bond that links one amino acid to the next? - ANSWER-peptide bonds
List the two basic categories of nitrogenous bases in nucleic acids. - ANSWER-purine and pyrimidine
In DNA, what does the nucleotide labeled as A pair with? - ANSWER-Thymine
During DNA replication is greatly reduced by enzymes that proof read the newly replicated DNA. - ANSWER-True
How many hydrogen bonds are there between an A and its paired nucleotide? - ANSWER-2
During mRNA maturation what is the name of the part of the mRNA that is removed? - ANSWER-introns
DNA replication in eukaryotes is sped up by multiple origins of replication. - ANSWER-true
RNA synthesis, also called RNA transcription occurs in three phases. List them from beginning to end in order. - ANSWER-initiation, elongation, termination
Which nucleotide is different in RNA compared to DNA? - ANSWER-uridine
There are two types of protein synthesis in eukaryotic cells. These two types can be distinguished because the polyribosome is either or . - ANSWER-free; membrane bound
In eukaryotic cells the start codon for protein synthesis is . - ANSWER-Aug
Draw the sugar in DNA and label the carbons as discussed in the lecture. Then circle the carbon that is different in RNA. - ANSWER-
Which sugar is present in RNA? - ANSWER-ribose
For DNA Polymerase III to work which of these components has to act first? - ANSWER-Primase
RNA is double stranded. - ANSWER-False
In the lagging stand, the DNA is read from the parental DNA's 3' to 5' end. - ANSWER-True
Which enzyme is used first to permit DNA polymerase III to begin replicating the 3' strand? - ANSWER-Primase
Strands of the backbone of DNA are parallel? - ANSWER-False
The DNA polymerase that replicates the parental strand of DNA reads the parental DNA from 5' to 3" and makes a new DNA strand from 3' to 5'. - ANSWER-False
Uridine is a nucleotide in DNA. - ANSWER-False
List one type of post-translational modification - ANSWER-proteolysis
Replication of DNA is semi-conservative. - ANSWER-True
Protein synthesis changes from the language of to the language of . - ANSWER-nucleotide; amino acid
In the ribosome, what pairs with the codon? - ANSWER-anticodon
The genetic code for the conversion of mRNA codons to proteins has redundancy. - ANSWER-True
Assume that you have a eukaryotic cell with three chromosomes within it. How many 5' ends would there be? - ANSWER-Gap 1: 6 Gap 2: 12
The Calvin-Benson cycle takes in _____________ and _____________ from the light reaction and also _____________ ____________ to make carbohydrates. - ANSWER-ATP; NADPH+H+ ; carbon dioxide
The antenna system is in the _____________ membranes. - ANSWER-thylakoid
The light reactions produce _____________ and _____________ and this process also results in the release of _____________. - ANSWER-ATP; NAPDH+ H; oxygen
List three items required for photosynthesis to occur. - ANSWER-carbon dioxide, water, sunlight
The most abundant protein in the world is called _____________. - ANSWER-rubisco
The citric acid/Kreb's cycle breaks down carbohydrates into CO2. - ANSWER-true
FADH2 results as one of the products of the citric acid cycle. - ANSWER-true
Glycolysis requires the investment of two_________ in order to obtain a gross output of four ________ - ANSWER-ATPs; ATPs
The cell does not need ATP to survive. - ANSWER-false
Specifically in a cell where does Glycolysis occur? - ANSWER-cytoplasm
Specifically where in a cell does the citric acid/Kreb's cycle occur? - ANSWER-Mitochondrial matrix
Where is carbon dioxide produced? - ANSWER-Mitochondrial matrix
The humoral immune system involves cells in the immune system. - ANSWER-true
Having a fever of 100 oF can help you fight off infections. - ANSWER-true
Red blood cells originate from the bone marrow. - ANSWER-true
There are times when the spleen can be considered to be the primary lymph node. - ANSWER-true
A bacterium coated by antibodies is a signal that a macrophage should endocytose (eat) it - ANSWER-true
Mast cells release histamine. - ANSWER-true
B and T cells are called lymphocytes - ANSWER-true
Any cell can present an antigen on a class I major histocompatibility complex (MHC) protein. - ANSWER-true
How does the lymph fluid return from the legs to the circulatory system? - ANSWER-
Any cell can present an antigen on a class II major histocompatibility complex (MHC) protein. - ANSWER-False
When immune cells mature and can recognize trans-membrane proteins indicating "self", this is called ______________. - ANSWER-tolerance
Inflammation is caused by an increased blood supply due to ______________ released by some cells of the immune system. - ANSWER-histamine
Does gravity have a role in some part of the lymphatic fluid flow back to the circulatory system? - ANSWER-yes
Natural killer cells are part of the specific immune system. - ANSWER-false
Memory cells "remember" the antigen and make a faster and greater response the next time the antigen is encountered. - ANSWER-true
Red blood cells are a part of the immune system - ANSWER-false
If a macrophage endocytoses (i.e., eats) an antigen it can digest it and present it on a ______________ Major histocompatibility complex protein to a ______________. - ANSWER-Class II; helper T-cell
In the lecture we discussed normal flora, this refers to: - ANSWER-Bacteria and fungi on the surface of the body
You should have your appendix removed whenever possible. - ANSWER-False
Lymphatic tissue is composed of the following five components. Please list them. - ANSWER-Bone Marrow
Thymus
Spleen
Lymph Nodes
Lymphatic Ducts
Lymph nodes are a place where cells of the immune system accumulate and share information. - ANSWER-True
Bone marrow is a site where mature immune cells are found. - ANSWER-false
When a B cell is shown an antigen on a class II major histocompatibility complex (MHC) protein it will go through ______________ ______________ and B cells subsequently can become ______________ and/or ______________ ______________. - ANSWER-blast transformation; plasma cells; memory cells
In 1 mL of blood, there are 1.5 million white blood cells - ANSWER-false [Show Less]