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ASU BIO 181 EXAM 1 LATEST ACTUAL EXAM 100 QUESTIONS AND CORERCT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+

ASU BIO 181 Exam 2 (modules 7-12) Questions & Answers 2024 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 enzyme unwraps the double helix? - ANSWER-Helicase Which enzyme is used first to permit DNA polymerase III to begin replicating the 3' strand? - ANSWER-Primase The double helix of DNA is wrapped around 1 3/4 times around which of these components? - ANSWER-Nucleosome In the lagging ...

Cholesterol is ______ to have in biological membranes. - good What are the orphaned organelles orphaned from? - They are isolated from the Endomembrane System. Active transport uses ATP to move components in parallel with their concentration gradient, that is: from a high concentration to a low concentration. - FALSE (it can move either way)

What is a catalyst? - A substance that increases the rate of a chemical reaction without being used up What is an enzyme? - A biological molecule that increases the rate of a chemical reaction without being consumed, usually a protein. What is the activation energy? - The energy required to convert a substrate to a produc

A frameshift mutation could result from - E) either an insertion or a deletion of a base. Which of the following does not occur in prokaryotic eukaryotic gene expression, but does in eukaryotic gene expression? - C) A poly-A tail is added to the 3' end of an mRNA and a cap is added to the 5' end. Which of the following helps to hold the DNA strands apart while they are being replicated? - single-

Cell Theory - 1. all living organisms are composed of 1 or more cells. 2. cells are the smallest units of life. 3. cell division produces new cells. Eukaryotic - (true nucleus)

What are the 3 phases of the cellular respiration process? - glycolysis, the citric acid cycle, and the electron transport chain Where in the cell does the glycolysis part of cellular respiration occur? - the cytosol What is the glycolysis part of cellular respiration's purpose? -

Draw concentric circles and label the four layers of the gut. Also label the hole at the inner most circle. List what is in these four layers. - 90% of absorption in the intestine occurs where? - Jejunum and illeum of the small intestine. Vitamin K cannot be made by the cells of your body. Where is it made? - C

Draw concentric circles and label the four layers of the gut. Also label the hole at the inner most circle. List what is in these four layers. - 90% of absorption in the intestine occurs where? - Jejunum and illeum of the small intestine. Vitamin K cannot be made by the cells of your body. Where is it made? - Colon

Lymphatic tissue is composed of the following five components. Please list them. - Bone Marrow, Thymus, Spleen, Lymph Nodes, Lymphatic Ducts T/F: The humoral immune system involves cells in the immune system. - True T/F: There are times when the spleen can be considered to be the primary lymph node. - True When immune cells mature and can recognize trans-membrane proteins indicating "self", this is called ______________. - Tolerance T/F: Red blood cells originate from the bone marrow...

T/F: FADH2 results as one of the products of the citric acid cycle. - True T/F: The cell does not need ATP to survive. - False T/F: The citric acid/Kreb's cycle breaks down carbohydrates into CO2. - True Where is carbon dioxide produced? - Mitochondrial Matrix

How many hydrogen bonds are there between an A and its paired nucleotide? - 2 T/F: The genetic code for the conversion of mRNA codons to proteins has redundancy - True List one type of post-translational modification - Proteolysis, Glycosylation, Phosphorylation. For DNA Polymerase III to work which of these components has to act first? - Primase Draw the sugar in DNA and label the carbons as discussed in the lecture.