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MSN 570 Week 1 Exam Questions with Latest Update
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Chromosomes - Answer-a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes. Chromatin - Answer-DNA is combined and wrapped around histone proteins active transport - Answer-the movement of ions or molec...

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  • October 17, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • msn 570 week 1 exam questions with latest update
  • chromosomes answer a threadlike structure of nuc

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MSN 570 Week 1 Exam Questions with
Latest Update
Chromosomes - Answer-a threadlike structure of nucleic acids and protein found in the
nucleus of most living cells, carrying genetic information in the form of genes.

Chromatin - Answer-DNA is combined and wrapped around histone proteins

active transport - Answer-the movement of ions or molecules across a cell membrane
into a region of higher concentration, assisted by enzymes and requiring energy.

Diffusion - Answer-Movement of molecules from an area of higher concentration to an
area of lower concentration.

Osmosis - Answer-diffusion of water across a selectively permeable membrane

Endocystosis - Answer-the process during which a cell takes in a substance by
surrounding it with the cell membrane

Phagocytosis - Answer-Cell eating

Which substrate-level energy form is produced as a result of the reaction that converts
succinyl-CoA to succinate? - Answer-GTP

Which is true regarding regulation of glucogenesis? - Answer-Upregulated by Glucagon
and Cortisol

During glycolysis what substrate is a product of glyceraldehyde-3-phosphate
dehydrogenase (GAPDH)? - Answer-1,3-biphosphoglycerate

What happens in Anaphase I? - Answer-Spindle microtubules from centrioles split pairs

Which mitochondrial enzymes is responsible for converting pyruvate into oxaloacetate?
- Answer-Pyruvate Carboxylase

Which check point in cell cycle phase is best known for final chromosomal inetegrity? -
Answer-G2 Check

What happens in Prophase I (Meiosis I) - Answer-Spindle Apparatus forms

Alpha-Ketoglutarate undergoes an oxidation reach which produces ___________
molecules? - Answer-NADH

, During glycolysis, which substrate is a product of phosphofructokinase-1 (PFK-1)? -
Answer-Fructose-1,6 biphosphate

How many NADH molecules does the Krebs cycle yield per molecule of glucose? -
Answer-6 NADH

What happens in Metaphase I (Meiosis 1) - Answer-Spindle Fibers attach to centromere

Which chromosome components is/are most likely to consist of at least 8 histones? -
Answer-Nucleosomes

What is the name of the process that converts Pyruvate into Acetyl-CoA? - Answer-
Pyruvate Decarboxylation

What is characterized by the production of ATP from ADP by direct transfer of a high
energy phosphate group form a phosphorylated intermediate metabolic compound?
(Anaerobic Respiration) - Answer-Substrate level ATP phosphorylation

What cytosolic enzyme produces PEP from oxaloacetate? - Answer-
Phosphoenolpyruvate (PEP) Carboxykinase

Product of decarboxylation of Alpha-Ketoglutarate? - Answer-Succinyl-CoA

Characteristics most likely associated with Anaphase? - Answer-Spindle microtubules
from centrioles split pairs

Dihydroxyacetone-P and glyceraldehyde may both be converted into _________? -
Answer-Glyceraldehyde-3-Phosphate

What enzyme is upregulated by citrate and down regulated by AMP? - Answer-
Fructose-1,6 biphosphatase

B Cell Surface Protein that provides the costimulatory signal for isotype class switching?
- Answer-CD 40

Which checkpoint or phase best known for where true cell division occurs? - Answer-M
Phase

Phosphate group most likely located at which end(s) of the DNA strand during base
pairing? - Answer-5' End

What is/are pulled apart during Mitosis and Meiosis II - Answer-Sister Chromatids

In fatty acid synthesis, which molecule is formed via carboxylation reaction with Acetyl-
CoA while biotin serves as a cofactor? - Answer-Malonyl-CoA

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