QUESTION 4 Which of the following statements about Chagas' Disease is NOT true? Acute disease is usually non-symptomatic, although rarely it can be fatal in children Chronic disease pathology is mainly a result of amastigote nests formed in muscle cells Complications of Chagas' Disease include cardiomyopathy, megaesophagus, and megacolon Romaña's sign is a clinical feature that appears after prolonged parasite burden All of the above are true.

Q: What is the purpose of checking the %GC in our NGS data? What is the ideal %GC value? Explain why…

A: Next Generation Sequencing is a DNA sequencing methodology by which the order of nucleotides in DNA…

Q: Which species is the stronger competitor for space in the intertidal zone? O Chthamalus Balanus

A: Introduction  The region between high and low tides where the ocean and land meet is known as the…

Q: Which feature is typical of primary active transport?     The transport protein must cross to the…

A: Transportation is an essential, natural and the physiological process which occurs in all the higher…

Q: Is this DNA extraction procedure needed/necessary for COVID19 screening? If not, what is its…

A: Because of the rapid spread and rising number of cases of coronavirus disease 19 (COVID-19),…

Q: Intracellular fluid _____________     includes fluid outside the cells     includes fluid inside…

A: Fluids are present both inside the cell as well as outside the cell ,As water is the main fluid…

Q: How does bulk transport of molecules governed in a eukaryotic cell?

A: Bulk transport mechanisms are required in cells to move large particles (or large quantities of…

Q: When taking the question, it would appear as: Consider global warming, a continual gradual increase…

A: Biological variety refers to the evolution of life from genes to ecosystems, encompassing the…

Q: During the adenoviral SARS-CoV2 vaccine development process, the plasmid encoding the Spike protein…

A: Plasmid is a circular double stranded DNA molecule found in bacteria and is capable of self…

Q: Upper Intertidal Zone Lower Intertidal Zone Balonus kalenvides Chthamalus scellatus The diagram…

A: Introduction: Connell is an American ecologist, but because his research on how interspecific…

Q: How does the ankle joint change in structure and function among salamanders, lizards, mammals

A: The ankle joint is also known as the talocrural joint is a synovial joint located in the lower limb.…

Q: Name each type of mimicry: Batesian Mimicry The harmless locust borer beetle looks, and even sounds,…

A: INTRODUCTION Mimicry One species resemble the characters of other species of animal.

Q: The following are the conditions that determines the direction of ions as it pass through the…

A: The plasma membrane is made up of phospholipids, proteins and carbohydrates. The membrane has…

Q: Which species is preferred by the predatory snail, Thais? Chthamalus Balanus

A: Introduction :- In a biological interaction known as predation, one organism—the predator—kills and…

Q: Which of the following statements is/are TRUE? □ Blood type O+ is considered the universal recipient…

A: According to the ABO system of classification Blood groups are classified based on antigens present…

Q: Which drawing of the intertidal region correctly represents Chthamalus' fundamental niche with an…

A: Introduction :- Almost all non-boreal beaches in the northern hemisphere and many areas in the…

Q: What evidences supported spontaneous generation? 2. How was spontaneous generation disproved?

A: Theory of spontaneous generation implies that different forms of organisms have formed on Earth from…

Q: uestion 3 Which of the following is/are TRUE? Erythrocytes only transport oxygen Basophil granules…

A: Answer: Plasma, blood cells, and platelets are the main components of blood, which is a fluid…

Q: Different recommended BMI ranges exist for people of different ethnic groups.  This is partially due…

A: Answer : True

Q: QUESTION 25 Regarding hemorrhage, the epidural space is a subarachnoid space is a space. space, the…

A: Introduction: The meninges are a group of three membrane layers that cover the brain and spinal…

Q: About _____% of the variance between physical activity levels in humans is due to genetic variation.…

A: Taking care of fitness immediately allows us to be productive and provides us stamina and…

Q: What anatomical feature in digestive cells allows more digestion? a. Goblet cells b. More nerve…

A: Digestion is a process involving the breakdown and metabolising of food particles to obtain…

Q: species are most broadly distributed, which have the smallest range? List at least 3 names per each…

A: Species of organisms are distributed worldwide according to their adaptation ability and the…

Q: How many species are present at year 1000? Justify your answer (i.e., clearly explain your…

A: The term species can be defined as a group of individuals that are able to inbreed. Speciation is…

Q: Can we use biogeographic evidence to support evolution without using fossil evidence? Give examples

A: Introduction Evolution is the critical phenomenon that regulates the survivability and continuity of…

Q: What are the advantages of using the CORYNEX® protein expression system as compared to the commonly…

A: Protein expression systems are specifically designed systems for the purposely production of desired…

Q: following method is employed in the sample preparation for the cryo-electron microscope? O The…

A: Cryo preservation is a process where organic matter is preserved at extremely cold temperatures. In…

Q: Not all prokaryotic cells have flagella. What are bacteria without flagella called?

A: Introduction:- Prokaryotic cells are characterized by absence of a well defined nucleus and membrane…

Q: What molecule forms when Acetyl-CoA enters the Krebs cycle?     ATP     pyruvic acid…

A: Krebs cycle also known as citric acid cycle was discovered by Sir Hans krebs in the year 1937. In…

Q: Compare the homebased DNA extraction method with the Phenol:Chloroform extraction method.

A: DNA extraction is a method to purify DNA by using physical and/or chemical methods from a sample…

Q: ANSWER THE QUESTION PROPERLY Question : Assuming you encountered an unknown microorganism, attempt…

A: Identification of any unknown microorganisms requires a pipeline of  different molecular and…

Q: The following are the conditions that determines the direction of ions as it pass through the…

A: The science of chemical processes that occur inside or relate to live beings is known as…

Q: Which of the following statements is NOT TRUE about membrane transport? to facilitate movement of…

A: Membrane transport is the collection of mechanisms that allows the solute molecules to move in and…

Q: . Explain the cell theory

A: In 1665, Robert Hooke became the first scientist to identify the cell. Hooke observed a swarm of…

Q: 3. Today we examined the pattern of genomic DNA when it is cut by a restriction enzyme. One of the…

A: Genetic engineering is a process that involves the intentional introduction, elimination, or…

Q: 4. What is a peptide bond? Label the peptide bond in the figure. 5. Draw the skeletal structure of…

A: Polypeptide chain The polypeptide chain is the chain of protein which is made up of amino acids.

Q: What is the purpose of control tubes in an experiment? a. To use up more tubes and look more…

A: The unknown sample is tested and compared to positive and negative controls to determine the test…

Q: Which of the following statements is NOT TRUE about membrane transport? to facilitate movement of…

A: The plasma membrane is permeable only to certain molecules. This means that the membrane allows some…

Q: This specialized channel proteins facilitates water transport through osmosis. Spectrins Aquaporins

A: Osmosis is a process of transport of solvent ( water ) from higher to lower concentrations through a…

Q: Question 3. In the bottom pair of graphs about wing lengths, what is true about the total number of…

A: Darwin saw that the finches on the Galapagos had a graduated range of beak sizes and forms and…

Q: The difference in charge and chemical concentration across a membrane is known as

A: Gradient across membrane:- it represents the movement of molecules or ions across the membrane. It…

Q: Answer the question below based on your own understanding; Why do you think all organisms use…

A: DNA and RNA both of them are nucleic acids but When genetic information is transmitted, DNA and RNA…

Q: Where would you expect competitive exclusion to occur most quickly? (Choose the one best answer.)…

A: Competitive exclusion is one of the most important interactions in an ecological system where two…

Q: The polysaccharides are starch, glycogen, and cellulose. In the chart below, I put an 'X' under each…

A: Carbohydrates are composed of carbon, hydrogen and oxygen. The most simple carbohydrate is the…

Q: How do potassium ions travel as they move into the cell?A.Up the concentration gradient and up the…

A: Introduction The cell membrane is a structure that surrounds the cell and keeps the organelles…

Q: Which of the following statements is NOT TRUE about membrane transport? to facilitate movement of…

A: The cell Membrane or Plasma membrane is an external cell layer that acts as a selective barrier as…

Q: Which vertebrates have reduced coracoids bones &/or clavicles?   What is the benefit of this change?…

A: vertebrate : an animal (as a fish, amphibian, reptile, bird, or mammal) that has a backbone…

Q: ies ine Blaypis (OUTGROUP) A-beaver Dam, AZ B-Twentynine Palms, CA C-Hanksville, UT -D-Chilchinbito,…

A: Introduction :  A species is a group of organisms made up of similar individuals that are capable of…

Q: Why are mutations bad and at the same time good?

A: Mutations can alter both how genes communicate information and what data is stored inside them; some…

Q: This type of cell transport requires energy (ATP) and moves substances from low to high…

A: Active Transport When a solute moves in accordance with osmotic , concentration or the electrical…

Q: F₁ generation 1. Parents with the following genotypes were crossed: RR x rr 2. Make a Punnett Square…

A: One of Gregor Mendel's great discoveries was the Principle Of Dominance. He noted that when he…