Q: To distinguish: The cell wall of Gram-positive and Gram-negative bacteria.
A: The lowest unit of life is the cell. It falls under the prokaryotic and eukaryotic categories.A live…
Q: Determine the ways by which the exon/intron structure of genes contributes to the generation of new…
A: Johannsen (1909) introduced the term gene to replace the terms mendelian component and anlage, which…
Q: Which of the following is typically true concerning the difference between Deciduous Forests and…
A: Introduction A forest is a complex biological system where trees predominate as the main form of…
Q: Starting with the motor neuron, explain how an action potential from the nerve leads to a muscle…
A: Muscle contraction begins as a result of a signal the nervous system produces. The action potential…
Q: What are the Similarities of the source reduction approach to waste management of Commercial and…
A: Waste management is the strategy of an organization that uses to dispose , reduce reuse and…
Q: Define magnification and resolution
A: In biology, i can define the term magnification and resolution on the basis of microscopy.
Q: Which of the following statements about the GRAS list is true? Select one: Oa. It was established by…
A: Given here are some statements regarding GRAS (generally recognized as safe). Following among them…
Q: Lipids are a. Many contain fatty acids in ester or amide linkage b. Most are simply polymers of…
A: The majority of living matter is composed of lipids, carbohydrates, and proteins. Some lipids, such…
Q: Determine the basic principles of using temperature to preserve food.
A: The use of heat can get rid of or lessen the microorganisms found in food items. Commercial…
Q: To distinguish: The integral and peripheral proteins.
A: Prokaryotic creatures are bacteria. They are all unicellular and tiny. The macromolecule class…
Q: Explain how microbes used in the production of fermented products such as beer, cheese, and pickles.
A: Food products contain many varieties of microbes transmitted either through the soil, plants,…
Q: Describe the evidence that supports the endosymbiotic theory of evolution of eukaryotes.
A: Evolution is define as the change in the characteristics of a species over several generations and…
Q: Which of the following mortality rates use the estimated total mid-year population as its…
A: Question 1) Their are two options correct i)Crude mortality rate ii)Cause-specific proportionate…
Q: Describe the reason why bacilli do not form cluster or tetrads.
A: The typical flora of the human body is composed of microbes. The two main variables that affect…
Q: Explain whether the statement "The normal gene function is required for the viability of the…
A: Small fish called zebrafish are utilized in research and the aquarium sector. The body and fins of…
Q: Elaborate in detail how do the bacteria move.
A: Bacteria are tiny, single-celled organisms that may thrive in a variety of environments. These…
Q: A suggested and testable explanation for an event is called a a. hypothesis b.variable c. theory d…
A: Numerous experimental findings lead to an observation. The tests or experiments for an event can be…
Q: Elaborate the function of the Golgi complex.
A: Lipids, proteins, nucleic acids, and carbohydrates are the main building blocks of both prokaryotes…
Q: Watch each video and answer the corresponding questions on the right. Facilitated. vs. Active…
A: There are three methods by which movement of materials, into and out of the cells take place.…
Q: Determine three basic components of the nucleotide of DNA.
A: Both RNA and DNA, also known as ribose nucleic acid and deoxyribose nucleic acid, are macromolecules…
Q: describe: The ways in which the chloroplast is similar to prokaryotes.
A: Greek words chloros, which means green, and plastes, which means one who produces, are the roots of…
Q: During ketosis, acetone may be detected on the patient's
A: It is the process that happens when there are not enough carbohydrates in the body to carry on the…
Q: Dinobryon is a species of protozoa that reproduce asexually. How can this asexual reproduction be…
A: Protozoa are microscopic unicellular eukaryotes that have a relatively complex internal structure…
Q: (a). Explain FIVE (5) common body characteristics of Phylum Echinodermata by using modern echinoderm…
A: Introduction : Animals classified as invertebrates include echinoderms. Actually, the word means…
Q: 1. Define coelom. How is the coelom related to the hydrostatic skeleton?
A: Skeleton is the framework of bones. All animals possess skeletons, even invertebrates have hard…
Q: Suppose you got ill. When you have come to the doctor, he gave you antibiotics medication without…
A: Introduction An antibiotic is a particular class of antimicrobial agent that works against…
Q: h: The cell wall of Gram-positive and Gram-negative bacteria.
A: Cell wall The cell wall is the rigid external protective layer made of polysaccharides that…
Q: Health effort of stress ?
A: Introduction: Whether dangerous events are genuine or just perceived as such, stress is the body's…
Q: Reward-modulated spike-timing dependent plasticity (RSTDP) can be modelled as STDP with an…
A: STDP (reward-modulated spike-timing-dependent plasticity) has recently emerged as a candidate for a…
Q: The process of helps to ensure that a scientist's research is original, significant, logical, and…
A: To advance knowledge and make new discoveries, scientists must communicate their study and findings…
Q: Determine the reason due to which scientists think that new genes arise by the duplication of an…
A: Genes are the fundamental building block and essential component of heredity. Genes grow and evolve…
Q: Which of the following regarding controlling microbial growth is true? a) Microbial death rate…
A: Microbes are small organisms that may cause diseases.
Q: Compare your results from the Sudan IV test without and with emulsifier. What happens to the oil in…
A: Introduction Lipids will show up as positive in the Sudan IV test. A few drops of Sudan IV are…
Q: Determine three important functions of triglycerides in the body.
A: As the name suggests, triglycerides are made up of three fatty acid molecules and one glycerol…
Q: Color the following parts: Spermatic Cord- Gray Fibrous tissue-Brown Seminiferous tubules-Yellow…
A: The testis is one of the two egg-shaped structures seen inside the scrotum. They are responsible for…
Q: escribe the examples of biochemical test that are used to identify the bacteria in the laboratory.
A: According to the definition of a biochemical test, it is a test that is used to distinguish between…
Q: Describe the role of the chromatophores in bacteria.
A: Introduction :- Prokaryotes contain chromatophores. Vesicles attached to membranes are referred to…
Q: Expalin the way in which pathogens slip through processes of water analysis and treatment undetected…
A: Drinkable water is necessary for optimum health, and its significance of water is widely recognized.…
Q: Question:- The feathered head crest of a male Gambel’s quail: a. is used to signal passive or…
A: Explanation: When it comes to the feathered head crest of a male Gambel's quail, there are a few…
Q: To distinguish: The integral and peripheral proteins.
A: Proteins, lipids, carbohydrates, and nucleic acids are the four main types of macromolecules found…
Q: Question:- 1. identify and label all the numbered arrows 2. structure label 3 recieves _____ type…
A: Introduction Any member of the order Anura, which is made up of diverse and primarily carnivorous…
Q: Tomato has diploid chromosomes number of 24. How many chromosomes would be expected in: microspore…
A: The diploid chromosome number is denoted by 2n and it is the number of chromosomes in the nucleus of…
Q: kanin Product Substrate(non-cognate/wrong) Erk (1-Err) k (1-Em) k (1-) ka ka Erk II (1-Emr) k III'…
A: The kinetic theme for the three-state nucleotide addition cycle (NAC) with choice. Since the cognate…
Q: Which of these structures is most resistant to chemical disinfection? (Which is hardest to kill?)…
A:
Q: When a Golden Snail was introduced to Black Native Snails, how would it impact the genetic diversity…
A: Snails are moist, slimy living organisms that belong to Mollusca. They have a tubular foot and a…
Q: This hormone elevates blood sugar concentration O A. insulin B. progesterone O c. estrogen O D.…
A: Introduction :- In multicellular animals, a hormone is any member of a class of signalling molecules…
Q: The genus of bacteria with leaky cell walls which are transmitted among humans by direct contact is:
A: Introduction The bacteria is the unicellular prokaryotic organism that exist in soil, water, plants,…
Q: Hemoglobin OA. Defense proteins B. Transport proteins O c. Messenger proteins O D. Catalytic…
A: Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino…
Q: Identify the chemical reaction and its end product of fermentation.
A: Energy is used by cells to carry out their essential tasks. Through the breakdown of organic…
Q: The passage of the end products of digestion from the small intestine into the bloodstream O A.…
A: The passage of the end products of digestion from the small intestine into the blood stream is…
Step by step
Solved in 2 steps
- Cell membranes consists mainly of ________ and ________ . a. lipids; carbohydrates c. lipids; phospholipids b. phospholipids; protein d. phospholipids; ECMCholesterol is an integral part of plasma membranes. Based on its structure and characteristics, where is it found in the membrane? O on the extracellular surface Owithin the tail portion of the bilayer O attached to the intracellular surface O embedded with the phospholipid heads Previous Page Page 3 of 7Dialysis bags were filled with various concentrations of starch and placed into beakers with 15% starch solutions for 30 minutes. The membrane is not permeable to starch. If there is more than one correct response, separate the letter response by a coma. For example A, B, C 40% 15% 25% 1% 15% starch 15% starch 15% starch 15% starch A В C Which of the bags is submerged in an isotonic solution? Which of the bags will lose water during the 30 minute period? Which bags are submerged in a hypotonic solution?
- Discuss the permeability of the phospholipid bilayer to the molecules and ions listed below. Is the bilayer freely permeable, somewhat permeable, or impermeable to each of these? 1. OH- 2. H* 3. 0₂ 4. C6H12O6 5. H₂O 6. CO₂ Which is not a major function of the protein in cell membranes? They are important for membrane transport They are important for cell-to-cell joining They function as enzymes They regulate membrane fluidity Which is not true about cell membranes? They frequently flip-flop from one side of the membrane to the other - They can move freely within one side of the bilayer Fatty acid tails of phospholipids form the membrane interior The interior of the bilayer is hydrophoicWhich of the following is incorrect about the glycerophospholipids? a. They are not amphipathic Ob. Their components are glycerol, two fatty acids, a phosphate, and an alcohol group Oc. They are components of membranes Od. They can be cleaved by phospholipases at specific sitesThe plasma membrane is composed of a variety of lipid molecules. 1. Phosphatidylethanolamine 2. Phosphatidylcholine 3. Phosphatidylinositol 4. Phosphatidylserine 5. Sphingomyelin 6. Glycolipids 7. Cholesterol. Which lipids contain sugar molecules?
- Cholesterol is an integral part of plasma membranes. Based on its structure, where is it found in the membrane? O within the tail bilayer O on the extracellular surface O embedded with the phospholipid heads O attached to the intracellular surfacePhospholipids are important components of__________.a. the plasma membrane of cellsb. the ring structure of steroidsc. the waxy covering on leavesd. the double bond in hydrocarbon chainsThe presence of cholesterol regulates the in animal cells. Ca. fluidity of a membrane b. polarity of a membrane c. structure of a membrane
- Which of these general statements is TRUE about the lipid called phosphatidylethanolamine (or PE)? PE is zwitterionic at normal cell pH. PE is an aminophospholipid. 3 of these 4 responses are correct PE is a type of cholesterol. PE resides mainly in the inner leaflet of the membrane bilayer.A phospholipid ________.a. has both polar and nonpolar regionsb. is made up of a triglyceride bonded to aphosphate groupc. is a building block of ATPd. can donate both cations and anions in solution۹:4۶ ص * Ooredoo li. A patient with compromised immune system was prescribed Azathioprine by his physician, in your view through which of the following processes Azathioprine will enter inside the cells. 1. out of Select one: O a. Phagocytosis uonsənb Ob. Receptor-mediated endocytosis Oc. Pinocytosis Od. Osmosis Oe. Diffusion