Bio 1 Lab Report

QUESTION 4 The main advantage of an established cell line versus primary cell line prepared directly from tissue is: Othey can divide indefinitely (immortalized) Othey may have different properties than source tissue Othey can display differentiated state of source tissue Ⓒlarge numbers of cell can be produced QUESTION 5 Velocity centrifugation separates cellular components by while equilbrium centrifugation separates them by — O size and shape, density Odensity, size and shape O size, shape Oshape, size

Question 1

=quires Respondus LockDown Browser Time Left:0:55:57 Abdulla Salem: Attempt 1 E) 20 kilocalories per gram of wax burned Question 36 (2 points) lons can travel directly from the cytoplasm of one animal cell to the cytoplasm of an adjacent cell through O A) gap junctions. B) intermediate filaments. C) plasmodesmata. D) desmosomes. E) tight junctions. Question 37 (2 points) A. C. В. H. H H-C-N H. H-C-SH H-C H. H. H H hp

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Question:- Transport into the lumen of some organelle systems requires an unfolded protein structure, while for other import mechanisms, unfolding is not required, since proteins may be transported in the folded state across the membrane. How is it decided whether a freshly made protein will be imported into the lumen of the endoplasmic reticulum (ER)?

smi S ed yn OS nt de 3. C Nucleus ^^ mitochondria **see instructions** Raugh ER k Peroxisome HW 9-14 DUE 9-19 Lysosome Name U# Seat What is the total cell length? 24um What is the surface area/volume ratio? 0.2 Sum Culgi Apparatus 2um H List the starting point and all the organelles a secreted protein will pass

ks ר SESSIONS Moving to another question will save this response. Question 1 Which of the following observations about mitochondria is false? O A. Mitochondria have their own ribosomes and make some of their own proteins. O B. Mitochondria are surrounded by two membranes. O C. Mitochondria have a single, circular chromosome. O D. Mitochondria are about the same size as an average bacterium. O E. Mitochondria replicate by mitosis. Moving to another question will save this response. to search

Remaining Time: 43 minutes, 54 seconds. * Question Completion Status: QUESTION 1 One difference between adult and embryonic stem cells is O a. Adult stem cells can become a limited number of cell types while embryonic stem cells can become any cell type b. Adult stem cells are found in embryos while embryonic stem cells are found i adults Oc. There is no difference between embryonic stem cells and adult stem cells Od. Adult stem cells can become any cell type while embryonic stem cells can become a limited number of cell types Ob. Ligase Oc. Ribosomes Od. Reverse transcriptase QUESTION 2 Which of the following is most necessary to make a cDNA library? a. ddNTPs QUESTION 3 1kb = bp For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph v Arial E # $ 3 ۳ 4 E Click Save and Submit to save and submit. Click Save All Answers to save all answers. R Q Search or enter website name **** Gi" ق sex Uakeupfer WORD.COMIS olearn.okan.edu.tr % ^ 50 0 6 1 T 6. MacBook Pro Y 10pt & 7 V…

Please answer the following questions?

I recived 16/20 on this portion of my assigment. My professor said "Right idea, use Lineweaver-Burk to calculate the new KM and Vmax and compare to the originals.  Should be noncomp (Vmax changes, but not KM).  For part b, good based on above answer." Please help me understand this problem ebtter by re-do, re-explain, re-calculate the answer below base on the comment made. And be sure to adjust any other answers that were affected by your corrections.  For example,Part B is base on Part A answer.

Bellwork 3/23 1. Which characteristic would communicate that the organism is a eukaryote? (12b.DOK 1) a. The organism can convert solar energy into chemical energy b. The organism has a structure for movement/mobility c. The organism has membrane-bound organelles d. The organism contains DNA 2 Which organism has the following characteristics: heterotrophic, eukaryotic, unicellular or multicellular, cell wall made of chitin? (12b.DOK 1) a. Protist b. Plant C. archaebacteria d. Fungi 3. What is the basic structure of a virus? (12e.DOK 1) DNA or RNA surrounded by a protein coat A capsid surrounded by a protein coat A head and tail fibers a. b. С. d. A tiny cell surrounded by a cell wall 4. What evidence would best support the argument that a virus is nonliving? (12e.DOK 1) Its genetic material is not contained in a nucleus. It lacks mitochondria for the production of energy. It cannot reproduce without a host. It does not have a cell wall to give it support and structure. a. b. С. d.

QUESTION 7 Match the organelle to its function. Nucleus A. Synthesis of secreted proteins and addition of "core" oligosaccharides B. Sequestering and storing calcium ions (Ca2+) so that its cytoplasmic concentration remains very low; also some lipid production Rough endoplasmic reticulum Smooth endoplasmic reticulum Golgi Complex C. Processing and lengthening of oligosaccharides on proteins destined for secretion Lysosome D. Hydrolysis of macromolecules using low pH and hydrolytic enzymes Endosome E. aerobic metabolism - Mitochondria F. Compartmentalization of the chromosomes in a Eukaryotic cell; therefore the site of most RNA transcription as well as ribosome assembly 1. Chloroplast G. Sequestering reactions that have products that may be damaging to the cell and destruction of those damaging compounds Peroxisome H. Internalization of material from outside of cell e.g. for nutrition or pathogen removal I. photosynthesis

Help with question Animal and plant cells have different structures. Provide two structures found in plant cells that are not found in animal cells. What drives cellular structure/function consideration? finally, the protozoan known as paramecium is considered a single called animal-like organism. What two structure/ functional considerations might suggest that animals-like character?

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What differences are there between a free-living, single-celled organism such as a paramecium and a single human cell such as a ciliated cell of the respiratory tract? Use cited.

CSP1501/101/3/2 Question 1: Multiple-choice questions 1.1. The cell membrane is important for all the following reasons except 1. it determines what substances enter and exit the cell. 2. it separates the cell's internal fluid and the surrounding extracellular fluid 3. it acts as a site for cell-to-cell interaction and recognition. 4. it is an essential site for DNA transcription. 1.2. The function of a cell nucleus is: hydrate production

please answer this statement analysis asap thank you

9 and/or 10 please

Q1. You are required to design a carbon-based, eukaryotic, unicellular organism that contains membrane-bound organelles that match those on Earth. Describe specific structures and components that you would include in the cell wall, plasma membrane and internal cell membranes of your cell that would assist the cell's survival in the low temperatures and high pressure experienced on Kepler-28d. (200 words maximum) Answer here:       Q2. It is critical that your cell contains the capacity to transport and traffic cellular components both intracellularly and extracellularly. To facilitate this you will need to develop an endomembrane system.  Outline the function of the endomembrane system, including which organelles will be included within your endomembrane system. (200 words maximum) Answer here:       Q3. Your cell must be able to synthesise its own proteins. Assuming the mechanism of transcription and translation remains unchanged from Earth-based organisms, describe how the…

12:02 A M & Question View Choose the right answers Question 1 The cytoskeleton of the eukaryotic cell includes which type of structures and protein? A- intermediate filaments made of actin B- microtubules made of actin filaments C- microfilaments made of tubulin D- microfilaments made of actin Question 2 mitochondria: A were thought to evolve originally as small eukaryotic cells B have no inner membrane C require other organelle to complete their function D produce ATP E do not produce ATP Question 3 which of the following is not a charasteristic of all prokaryotic cells? A ribosomes, B flagella, C MRNA, D cytoplasm, F plasma membrane, E DNA Question 4 which of the following is found in eukaryotic cells but not in prokaryotic cell? A- DNA B ribosomes II

topic: yeast cells (dalmau plates) what are the Principle of PDA, AcA, and MA plates? PLEASE EXPLAIN ALL

Question:- Formulate a hypothesis on how bacterial cells use their characteristics to take up hydrocarbons from oil spills. Specify the mode of transport through the cell membrane (active vs. passive/endocytosis vs. exocytosis) and support your claim with scientific reasoning. Describe how these bacterial cells would take up hydrocarbons if: - they only possessed a cell membrane and lacked the cell wall. - they possessed membrane-bound organelles such as vesicles. Include in your answer the lipid bilayer, structural components of cell membranes and those of cell walls, and discuss the selective permeability characteristic of membranes..

The image below shows a density gradient centrifugation carried out to separate a mixture of lysosomes, peroxisomes and mitochondria Organelle mixture 60L 1.11 Centrifuge 1.15 2 1.19 1.22 1.25 Which fraction would you take to obtain mitichondria, and why? O Fraction 2 because mitochondria contain haemoglobin. giving them a reddish colour O Fraction 3 because it is the most dense fraction O It is impossible to decide without further testing O Fraction 1 because it is the least dense fraction O Fraction 2, because mitochondria contain haem, giving them a reddish colour Increasing density of sucrose (g/cm³) 3.

* Question Completion Status: A Moving to another question will save this response. Quèstion 6 which cellular organelle produce ATP by aerobic respiration ? O 1. golgi bodies O 2. ribosomes 3. RNA O 4. peroxisomes 5. Mitochondria A Moving to another question will save this response. AR

Question:- Given the very complex lipid composition of cell membranes, what variations exist within the different membranes of organelles in an animal cell? What are the functional consequences of these differences?

Question 2 - Which of the following is required for import of mitochondrial matrix proteins? (select all that apply) N-terminal import sequence signal recognition particle signal recognition particle receptor GTP ATP import sequence receptor Question 3, What is the source of energy needed for unidirectional translocation across the membrane in (a) post-translational translocation into the ER; (b) translocation into the mitochondrial matrix; and (c) cotranslational translocation into the endoplasmic reticulum (ER). ATP hydrolysis in all cases GTP hydrolysis in all cases (a) ATP hydrolysis; (b) GTP hydrolysis; (c) ATP hydrolysis (a) GTP hydrolysis; (b) ATP hydrolysis; (c) GTP hydrolysis (a) GTP hydrolysis; (b) ATP hydrolysis; (c) ATP hydrolysis (a) ATP hydrolysis; (b) ATP hydrolysis; (c) GTP hydrolysis none of the above

PLEASE HELP WITH THIS PRACTICE QUESTION, MY MAIN REFERENCE IS CAMPBELL BIOLOGY TEXT BOOK.....A LENGTHY AND DETAILED ANSWER WOULD BE APPRECIATED..

this is a molecular cell biology question