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MICR 3033 Test 3 Questions with complete solutions
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10.1Q1 Define three stages of the cell cycle? Correct Answer-Interphase 
G0: where cells rest 
G1: where cells grow and expand 
S: where DNA is replicated 
G2: where cells repair damaged DNA and duplicate centrosomes 
 
Cell division (M) phase 
Where cells undergo nuclear and cytoplasmic division 
 
Each stage has checkpoints that check for completion and accuracy of previous step before starting the next one 
 
10.2Q1 What are cyclin-dependent kinases (Cdks)? Correct Answer-Small family of pro...
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MICR 3033 Exam 1 Questions with complete solutions
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Which subatomic particle is displaced when two or more atoms combine make a molecule? Correct Answer-Electrons 
 
What type of bond is formed when atoms share electrons? Correct Answer-Covalent 
 
What determines the number of covalent bonds an atom can create? Correct Answer-the excess or shortage of electrons in its outermost electron shell. 
 
Oxygen with 6 electrons in the outer electron shell (that needs 8 to be complete), can make how many covalent bonds? Correct Answer-2 
 
Which of the f...
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MICR 3033 Final Exam Questions with Complete Solutions
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Define three stages of the cell cycle? Correct Answer-interphase: the cell grows and makes a copy of its DNA. 
m phase: the cell separates its DNA into two sets and divides its cytoplasm, forming two new cells cytokinesis: the cytoplasm of the cell is split in two, making two new cells and begins as mitosis ends. 
 
What happens during interphase? Correct Answer-The cell grows, copies its DNA, and prepares for cell division in three steps G1, S, G2. 
 
What are cyclin-dependent kinases (Cdks)? C...
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MICR 3033 Final Question with Complete Solutions
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10.1Q1 Define three stages of the cell cycle? Correct Answer-Interphase 
G0: where cells rest 
G1: where cells grow and expand 
S: where DNA is replicated 
G2: where cells repair damaged DNA and duplicate centrosomes 
 
Cell division (M) phase 
Where cells undergo nuclear and cytoplasmic division 
 
10.2Q1 What are cyclin-dependent kinases (Cdks)? Correct Answer-A small family of protein kinases that regulate the transition of various phases in the cell cycle. CDKs are small proteins that mainl...
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MICR 3033 Exam #4 Questions with complete solutions
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All cells that make up an organism contain the exact same DNA sequence (genome) however individual cell-types look and function very differently. Why? Correct Answer-each cell-type expresses a unique set of genes of the genomic DNA. 
 
Speaking of genotype and phenotype how are these terms defined? Correct Answer-the genotype defines the genetic information (gene) and the phenotype the outcome of gene expression. 
 
Which of the following describes a functional gene? Correct Answer-a gene is def...
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MICR 3033- Exam 2 Questions with Complete Solutions
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The energy released by oxidizing glucose is saved in the high-energy bonds of Correct Answer-ATP and other activated carrier molecules 
 
Sugars (glucose) ingested from food are broken down by Correct Answer-glycolysis, the citric acid cycle, and oxidative phosphorylation 
 
Which of the following describes a breakdown process in which enzymes degrade complex molecules into simpler ones? Correct Answer-catabolism and exergonic reactions 
 
Which of the following generates the largest amount of A...
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MICR 3033 Exam 1 (ECQs) questions with complete solutions
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Which subatomic particle is displaced when two or more atoms combine make a molecule? 
a. protons. 
b. neutrons. 
c. electrons. 
d. protons and neutrons. Correct Answer-electrons 
 
What type of bond is formed when atoms share electrons? 
a. ionic bond. 
b. covalent bond. 
c. hydrogen bond. 
d. ionic and covalent bond. Correct Answer-covalent bond 
 
What determines the number of covalent bonds an atom can create? 
a. the number of protons in its nucleus. 
b. the number of neutrons in its nucleu...
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MICR 3033 Exam 2 Questions with complete solutions
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7Q1-Describe the double helix nature of DNA. Why is it that DNA is always found as a double stranded, antiparallel and complementary molecule? Correct Answer-The two strands of DNA run in anti-parallel directions and attached to each sugar is one of four types of nitrogenous bases, which make hydrogen bonds. It is antiparallel and complementary so that it has two copies as a safety measure. 
 
7Q2-What are histones and the structural components(DNA/proteins)of a nucleosome? Correct Answer-Histon...
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MICR 3033 Exam 1 Questions with Complete Solutions
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Describe a hydrogen bond. Correct Answer-positively charged hydrogen is attracted to negatively charged atoms, intermolecular forces hold these bonds together 
 
A carbon atom contains six protons and six neutrons. What are its atomic number, atomic weight, and how many electrons does it have? How many additional electrons must it add to fill its outermost shell? Correct Answer-atomic number: 6 
atomic weight: 12 
electrons: 6 
additional electrons: 4 
 
How is an ionic bond formed? Correct Answ...
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MICR 3033 Exam 2 Questions with complete solutions
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MICR 3033 Exam 2 Questions with complete solutions
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