QUESTION 31 Which molecule is displaced when a vesicle and its target membrane fuse? OA. Water OB. Phospholipids OC. SNARES OD. DNA O E. Cholesterol QUESTION 32 Which of the following is a possible explanation as to why a transcription factor that you expressed in the cytoplasm using a plasmid stayed in the cytoplasm and did not move into the nucleus? OA. The transcription factor is lacking a nuclear localization signal. OB. The protein lacks a proteasome-targeting sequence. OC. The transcription factor is lacking a signal sequence to direct it to the ER. OD. The transcription factor is lacking a KDEL retention signal. QUESTION 33 A newly formed COPII-coated vesicle has all of the following except OA. Sar 1 OB. Clathrin OC.Sec 13/31 OD. Sec 23/24 OE. V-SNARE

Q: Compare and contrast the structure of eukaryotic cells and prokaryotic cells.

A: Cells are elemental units which perform various metabolic process . Organisms which possess cells…

Q: Watson and Crick solved the problem of the structure of RNA O True False

A: A zygote is formed by the fertilization of male and female gametes during sexual reproduction.…

Q: QUESTION 40 What is an organelle that pinches off portions of its membrane to form a transport…

A: Amongs the all organelle transport vesicle is lysosome which is a part of endomembrane system. It…

Q: Post-transcriptional control of gene regulation: None of the above Can stop gene expression quickly…

A: Proteins are a type of macromolecules that are critical for different varieties of roles in cellular…

Q: You inject a large fluorescent dye with a molecular weight >10,000 Da into a cell that is connected…

A: Gap junctions are intercellular channels that allow direct communication between the cytoplasm of…

Q: In which of these parts of the cell would a hydrophobic molecule be found? O Inside of the nucleus O…

A: Answer. The plasma membrane is a dynamic, quasi-fluid structure and forms the external boundary of…

Q: Question 2: In which direction are polypeptides built by the ribosome? A. N' to C' B. C' to N'

A: Genetic code is read by the ribosome. mRNA that contains the genetic code is always read from 5’ to…

Q: Which statement is FALSE? O a. Lignin comprises the highest percentage of dry mass of cell wall O b.…

A: A cell wall is an external structural layer that surrounds some types of cells. It may be hard,…

Q: QUESTION 5 How is cytokinesis in plant cells different from cytokinesis in animal cells? A.…

A: The process of separation of the cytoplasmic contents of a cell into two separate daughter cells is…

Q: Question 8. In a patient that has a mutation in the enzyme that adds phosphate groups to the mannose…

A: A mutation is a change in the DNA sequence of a gene or chromosome. Mutations can be caused by…

Q: Question 58 What kind of genetic information do prions carry? none O DNA only O RNA only both DNA…

A: The human forms of prion disease are most often the names Creutzfeldt-Jakob disease, fatal familial…

Q: Question 88 How do DNA and RNA differ? O DNA is double stranded while RNA is single stranded. all…

A: DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) are two types of nucleic acids found in…

Q: Question 18 Ribosomes are made up how much RNA component? (A) 50% в) 1/3 © 2/4 D) 2/3

A: Ribosomes are the organelles present in cells which are made from RNA and protein. Ribosomes are the…

Q: Question 1. Which of the following is never found in prokaryotes? A. Ribosomes B. DNA Polymerases C.…

A: Introduction :- Ribosomes, also known as Palade granules, are macromolecular machines that perform…

Q: Question 5 What would occur if the concentrations of GAP and GEF were reversed? (high [GEF] in…

A: Answer; imported cargo proteins would not be released in the nucleoplasm Explanation: If the…

Q: Where are the RNA components of a eukaryotic cell synthesized?

A: A eukaryote is an organism that belongs to the domain Eukarya, one of the three domains of life,…

Q: Question 9 Expression of genes independently of regulation is termed: A repressible regulation. B…

A: Genes are the functional segments of DNA. They encode for proteins which are the ultimate players of…

Q: QUESTION 34 Which of the following is NOT a product of gene expression? O DNA O FRNA protein O MRNA…

A: All the genetic information of an organism is stored in the DNA and RNA molecule. The information…

Q: Which membrane protein is responsible for binding hormones that can trigger changes in the cell's…

A: Membrane protein: These are the protein molecule which are attached to the membrane of cell or cell…

Q: What event occurs to divide the sister cells in two during cytokinesis?

A: The completion of mitosis is usually accompanied by cytokinesis ,giving rise to two daughter cells.…

Q: Question 1 A new receptor has been discovered in the cells of the human liver. The following…

A: A protein called mitochondrial antiviral-signaling protein (MAVS) is required for innate antiviral…

Q: QUESTION 3 The first law of thermodynamics states that: O A. energy can be changed from one form to…

A: Laws of Thermodynamics are the laws that deal with the study of energy.

Q: QUESTION 4 When mRNAs are edited to remove nonsense regions, this is called and it happens in the O…

A: The central dogma defines the flow of genetic information from DNA to the proteins. DNA strands are…

Q: Which of the following methods can be used to regulate the activity of cyclin-dependent kinases…

A: CDK are the protein kinase which are involved in the regulation of cell cycle.

Q: Explain why the image below could not be from a eukaryote. What characteristics of the image would…

A: Eukaryotes are organisms that has nucleus and organelles within the cell. Nucleus is enclosed in the…

Q: Question 40 Which of the following is not a key step in the activation of MRNA synthesis in…

A: Ans- In eukaryotes, mRNA is synthesized in the nucleus during transcription in which the single DNA…

Q: Which one of these mutations would definitely NOT affect the function of the protein coded by the…

A: Mutation is defined as the event where the gene sequence of the DNA is altered giving rise to…

Q: hich types of RNAS are capped? OMRNAS Osn RNAS O TRNAS O none of the above Movin g to an other…

A: Cap is a structure which is placed as a post transcriptional modification that after transcription…

Q: Why do bacteria form endospores? O Endospores are formed to increase the surface are of the cell to…

A: Endospores are thick walled structures formed by genus Bacillus and Clostridium.

Q: Match the organelle to its function. Nucleus A. Synthesis of secreted proteins and addition of…

A: An organelle is a subcellular structure that has one or more specific function to perform in the…

Q: Match the protein on the left with the nucleotide triphosphate on the right that it binds. Keratin…

A: Introduction Proteins are very complex molecules that perform a variety of important tasks in an…

Q: Question 2. In the presence of low levels of GTP, microtubules inside a cell will undergo due to…

A: Microtubules are essential components of the cytoskeleton in eukaryotic cells, playing crucial roles…

Q: Which of the following membrane-crossing mechanisms requires energy? O a. Turgor O b. Active…

A: Active transport It is the transport of substances from a region of lower concentration to higher…

Q: Which of the following RNAS is the product of transcription?

A: Transcription is the process of making an RNA copy of a gene sequence

Q: 43 are accessory pigments in photosynthesis that reflect blue and red wavelengths best. O a.…

A: MCQ

Q: Question 1. Which of these is NOT a common feature of both eukaryotic and prokaryotic cells? A.…

A: Prokaryotes are less developed organisms whereas eukaryotes are highly developed. Prokaryotes lack a…

Q: A scientist wants to get a hydrophilic drug to the cytoplasm of the cell. Which of the following…

A: The cell membrane is highly non polar in nature , it will allow only mon polar molecule to pass…

Q: QUESTION 49 What process copies a gene into RNA form? O a. Ribosomal RNA O b. Messenger RNA O C.…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Which kingdom contains autotrophic, multicellular, eukaryotic organisms with cell walls made of…

A: RH whittaker was the scientist who gave the five kingdom classification for classifying organisms .…

Q: How many strands of nucleotides is RNA made of? O A. 1 О В. 2 OC. 23 D. 46

A: The genetic material is used to store the genetic information in the mitochondria or nuclei of an…

Q: 33. Which defines a codon?  A. a protein that beins transcription by breaking apart H bonds  B. a…

A: Codon  A nucleotide, in turn, is made up of a nucleobase or simply, base, a sugar, and a phosphate…

Q: QUESTION 2 Latent herpesviruses exist inside cells as nothing more than a loop of herpesvirus DNA.…

A: QUESTION 2   Latent herpesviruses exist inside cells as nothing more than a loop of herpesvirus DNA.…

Proteins

We generally tend to think of proteins only from a dietary lens, as a component of what we eat. However, they are among the most important and abundant organic macromolecules in the human body, with diverse structures and functions. Every cell contains thousands and thousands of proteins, each with specific functions. Some help in the formation of cellular membrane or walls, some help the cell to move, others act as messages or signals and flow seamlessly from one cell to another, carrying information.  

Protein Expression

The method by which living organisms synthesize proteins and further modify and regulate them is called protein expression. Protein expression plays a significant role in several types of research and is highly utilized in molecular biology, biochemistry, and protein research laboratories.