hat materials makes up a cell membrane? a. Phospholipids and proteins b. Cholesterol and nucleic acids c. proteins, nucleic acids and cholesterol d. phospholipids, cholesterol and proteins
Q: Produce a diagram to illustrate the different types of molecules found in cells. Briefly describe…
A: The different types of molecules found in the cells are carbohydrates, lipids, proteins, and nucleic…
Q: What might happen if cells did not have microtubules
A:
Q: Question 14 Select one answer. Ion channels tend to have multiple protein subunits. This indicates…
A: Introduction :- Ion channels are protein molecules that span the cell membrane and allow ions to…
Q: Write an essay on the importance of bonds and bonding in organisms
A: Organism is the any living biological entity. the example of organisms are an animal, plant, fungus,…
Q: what is the function of enzymes
A: Enzymes are proteins that go about as natural impetuses. Impetuses speed up chemical responses. The…
Q: A) B) A. Name specific structure "A" B. Name specific structure "B"
A: Fishes are the organisms which live inside the water some live in oceans and some live-in fresh…
Q: Write short answers. i. Why proteins lose their function upon change in their 3D structure?
A: Proteins are most abundant macromolecules that occurs in cells and parts of cells. They are…
Q: Explain the roles of mRNA and tRNA during the synthesis of proteins. In your answer explain how the…
A: The translation is the process that involves production of polypeptide chain or protein from the…
Q: is the division of the cytoplasmic mass into two parts..
A: Mitosis is equational division.It consists of two phases - 1.Interphase - It consists of G1 , S and…
Q: Which features adapt a cellulose molecule for its function? 1 Long chains of glucose molecules coil…
A: Hello! Since you have posted multiple questions, we are answering only first question. If you need…
Q: Describe Redi’s work and why it was important.
A: Francesco Redi is known as the “founder of experimental biology” and also as the “father of modern…
Q: controls the movement of molecules
A: A cell is a small self-contained unit within whole organisms. It is the smallest unit of the body.…
Q: Evaluate the importance of membranes to cells, emphasizing their various functions.
A: The plasma membrane of a cell is made up of lipid bilayer and proteins that form the boundary…
Q: While how the first cells formed is still unknown, scientists suspect that the first active…
A: Biological macromolecules are those molecules that are monomers ( Nucleic acids, lipids,…
Q: Use osmosis to explain what happened in the egg that was in water. What do you think would happen if…
A: osmosis: it is defined as the movement of water or solvents through a semipermeable membrane from…
Q: _______________ are organisms that transform the energy of the sun into chemical bond energy.
A: Photosynthesis is the process that converts the light energy into chemical energy that can be later…
Q: Choose the combination of answers that most accurately completes the statement.Ionizing radiation…
A: Radiation can be broken into two broad categories: Non-ionizing, which possesses sufficient energy…
Q: Which explanation describes how cells are differentiated in multicellular organisms?
A: Answer : Genes are turned on and off at various times of the cell's life, creating only certain…
Q: Based on the function of the cell membrane, how does the cell fight against bacteria?
A: Cell membranes or biomembranes are quasifluid, elastic, pliable and film-like thin partition over…
Q: What is the importance of microscope in Science
A:
Q: Choose the combination of answers that most accurately completes the statement. Transfer RNA is the…
A: RNA is a polymer of nucleic acid consisting of four monomeric ribonucleotides. Each ribonucleotide…
Q: Is biochemistry include life science
A: Life sciences is a broad domain in biology. It includes various fields like genetics, microbiology,…
Q: DNA _____________ are enzymes that prevent tangling of DNA strands during DNA replication.
A: Topoisomerases is a class of enzymes that reduce supercoiling in DNA by breaking and rejoining one…
Q: How are enzymes used in medicine?
A: Enzymes Enzymes are catalysts, which means they speed up chemical reactions. For thousands of years,…
Q: Explain how nucleotides joined into two chains from the strands of a DNA molecule
A: For all living creatures and even plants, DNA is essential. For the processes of inheritance,…
Q: Which statement describes how heterotrophs depend on autotrophs for survival? a Autotrophs make…
A: Photosynthesis is the process by which Green plants and organisms carbon dioxide and sunlight to…
Q: Name the two main constituents of plasma membrane and show how they are arranged by means of a…
A: Plasma membrane is the outer boundary of the cell. It is selective permeable in nature that is it…
Q: what are the three structures shown in the pictures? a: b: c:
A: DNA is molecule that carries the genetic information in all living organisms.
Q: What is the first step in protein synthesis? A. making an RNA copy of the DNA within the nucleus
A: In eukaryotes, they are made of DNA and a membrane-bound nucleus. The eukaryotes make their own…
Q: Describe in detail an experiment you could conduct to test whether another substance could replace…
A: Water is unique and possesses certain properties such as - it is polar, it is a universal solvent,…
Q: In your opinion, between cytoskeleton filaments and motor proteins which element is more important…
A: A cell prepares for cell division by replicating its chromosomes, segregating them, and creating two…
Q: A student explains that plant cells have cell walls but not cell membranes, while animal cells have…
A: Step 1 The cell is a structural and functional unit of living organisms which consists of a…
Q: Give information about the polymer wafer invented by Robert Langer and Henry Brem to treat brain…
A: Fact: "Robert Samuel Langer, Jr. FREng, is an American chemical engineer, scientist, entrepreneur,…
Q: Justify the statement "Endoplasmic reticulum is protein assembly line of cell"
A: The RER (rough endoplasmic reticulum) carries a number of ribosomes on its surface that helps in…
Q: _____________ is a mechanism that removes and replaces individual nucleotides in DNA when bases have…
A: There are 3 main DNA repairing mechanisms: - Base excision Nucleotide excision Mismatch repair
Q: Which theory of aging states that unstable oxygen molecules tend to steal electrons as they bounce…
A: The unstable oxygen molecules have higher energy and can damage the biomolecules.
Q: What would happen if cell membranes were freely permeable to all molecules?
A: The cell membrane also called a plasma membrane is a biological membrane made predominately of a…
Q: Use the Rules about Matter to answer the questions: Rules about matter There are three rules about…
A: Matter consist of atoms as well as subatomic particles and according the rule of matter.Matter is…
Q: Deduce the number of isomers of fructose
A: Two or more compounds which have same formula but different arrangement of atoms in the molecule and…
Q: Which statement accurately describes the differences between RNA and DNA? RNA always folds into a…
A: DNA or deoxyribonucleic acid is a long molecule that contains a unique genetic code. It is a…
Q: Based on these data, the cells found at the crime scene may have come from which suspect? Pls help…
A: Simple Sequence Repeats(SSR) These are often interchangeably referred to as "microsatellites" or…
Q: How monomers of protein differ from each other
A: Proteins are biomolecules and the body’s building blocks. They play significant roles in body…
Q: three
A: Ribosomes in eukaryotes get their orders for protein synthesis from the nucleus, which transcribes…
Q: In enzymes cut DNA into fragments, which are separated by size to form a pattern of bands.
A: In DNA Fingerprinting enzymes cut DNA into fragments which are separated by size to form a pattern…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Which characteristic of a phospholipid contributes to thefluidity of the membrane?a. its headb. cholesterolc. a saturated fatty acid taild. double bonds in the fatty acid tailA student uses iodine to visualize cells under the light microscope. Iodine stains starch deep blue and glycogen granules dark brown. Observation of the cells reveals the presence of cell walls, dark brown granules, mitochondria, and a prominent nucleus. If the chemical composition of the cell wall is determined, which of the following molecules would MOST likely be the major constituent? A. cellulose B. chitin C. lignin D. peptidoglycanWhich of the named factors might induce bending of membranes? Select one: O a. Cylindrically shaped lipids O b. Carbohydrates C. Conically shaped proteins O d. Cylindrically shaped proteins
- Based on the picture, B. What is the primary function of #5 within a cell? A. Form membranes B. Store energy C. Structural support D. Maintain constant pHWhich is true about the phospholipid membrane? Group of answer choices: A. It is made up of phospholipid molecules which have a hydrophilic tail and a hydrophobic head B. It is made up of 4 layers of phospholipid molecules C. It is made up of phospholipids, which have a hydrophilic head and a hydrophobic tail D. It is made up mostly of proteins but has cholestrol molecules and phospholipids embedded within itwhich component of cell membrane gives the negative surface charge of most cells? Select one: a. Carbohydrates b. proteins c. phospholipids d. Cholesterol. e. enzymes
- Produce a diagram to illustrate the different types of molecules found in cells. Briefly describe their properties and functions within the cell.Draw the different spontaneously formed lipid structures: a. Monolayers and bilayers b. Micelles C. Unilamellar vesicle d. Multilamellar vesiclesWhich macromolecule is a primary component of cell walls, and which argument provides evidence for how the structure of this molecule relates to its purpose within the cell wall? A Lipids are the primary component, and they repel and prevent excess uptake of water because they form carbon chains. B Lipids are the primary component, and they protect the cell and help maintain its shape because they form carbon rings. C Carbohydrates are the primary component, and they repel and prevent excess uptake of water because they form carbon chains. D Carbohydrates are the primary component, and they protect the cell and help maintain its shape because they form carbon rings.
- Cell membranes consists mainly of ________ and ________ . a. lipids; carbohydrates c. lipids; phospholipids b. phospholipids; protein d. phospholipids; ECMMatch the letters on the diagram below to the correct terms. 1. Glycoprotein E 2. Hydrophilic portion of a phospholipid 3. Glycolipid B 4. Hydrophobic portion of a phospholipid G 5. Peripheral membrane protein F 6. Hydrophobic portion of a transmembrane protein 7. Hydrophilic portion of a transmembrane protein AWhy can't ions like sodium (Na+) or potassium (K+) diffuse directly through the phospholipid bilayer? A. Ions can only use active transport to move through the membrane B. Ions are hydrophobic and are repelled by the polar membrane C. Ions are polar and are repelled by the nonpolar part of the membrane D. Ions need to become stable before entering the cell
