Did widespread treatment with antimalarial drugs (ACTs) reduce the prevalence of malaria in the population? a) yes   b) no    c) only before 1900    d) there is no correct answer    e) only in western Europe

Q: Draw the steps that take place during conjugation.

A: Bacterial conjugation is a process by which genetic material is transferred from one bacterium (the…

Q: Is the ability to modify traits an organism carries a new technology? Explain

A: INTRODUCTION The technology that is used to modify the traits of an organism is recombinant DNA…

Q: 12.Which is also known as the "voice box" which regulates the air flow into the lungs? Read and…

A: The respiratory system is a network or organs and tissues that help in gaseous exchange i.e., take…

Q: How does carbon enter the atmosphere? Burning fossil fuels Cellular respiration O Both A and B…

A: Introduction :- An atmosphere is a layer (or layers) of gas that surrounds a planet and is held in…

Q: How does the ras path trigger the initiation of a new branch off an existing actin filament –…

A: Actin (thin filament) and myosin are examples of contractile proteins (thick filament). Troponin…

Q: Which of the following statements is TRUE?     Hydrochloric acid makes an acidic environment in…

A: HCl helps to digest proteins. HCl also helps body from infection.

Q: how has climate change affected the US

A: Climate change affected the United States.

Q: How does KU proteins promote DNA repair during mitosis? Explain.

A: DNA repair  It involves different processes through which a cell determines and rectifies the damage…

Q: How does the forelimb grow differently than the hindlimb? How can limb size be so precisely…

A: Introduction During the development of vertebrate limbs, the limb bud is formed. It occurs during…

Q: Draw the chemical structure of the 5' end of nascent RNA transcript in eukaryote:

A: Chemical structure of the 5' end of the nascent mRNA be like-

Q: How many μ moles of acetaldehyde are required to allow complete oxidation of the pyruvate to 15µ…

A: the limited supply of NAD+ will deplete the reaction initially causing the reaction to stop, but…

Q: GQ#15: What do the following terms mean? Write your best answer on the space provided after each…

A: Evolution is the change in characteristics pf species from generation to generation. There are four…

Q: The trp operon is a repressible operon system. What does this mean?

A: Trp refers to tryptophan. The operon is the functional unit of Deoxyribonucleic acid ( DNA) having…

Q: 24.2 The Life Cycle of a Flowering Plant 7. The photo is a cross section of a (an). The numerous…

A: Pollen grains are the male gametophyte of a flowering plant. These develop from microspores, which…

Q: What is the coliform test when is it used? What is its purpose? How does it function? What are the…

A: All water that is naturally exposed to the atmosphere, such as rivers, lakes, and reservoirs. It is…

Q: The planula stage in Cnidarians is similar to what life stage in two other non-animal organisms?…

A: It is critical to learn and know the anatomy and physiology of the body. Many changes in the animal…

Q: What molecules are released by activated helper T cells? Note: This is a multiple question, choose…

A: As they are necessary for practically all adaptive immune responses, helper T cells are perhaps the…

Q: Please answer fast and all other wise I will give downvote. 1. Memory T cells in circulation tend…

A: All these questions are related to components of the immune system which are studied in a branch of…

Q: A mouse was injected with an antigen that is known to induce the generation Th1 helper T cells. At…

A: *Here a mouse was injected with antigen that is known to induce the generation Th1 helper T cells.…

Q: What does this diagram illustrate? Complete the labels.

A: Bacteriophage is a specific virus that can infect the bacteria. These can cause severe damage to the…

Q: Figure Q9–2 shows a diagram of the human eye. Therefractive indices of the components in the light…

A: The term refractive indices tells about the calculation of light ray bending when passes to another…

Q: Why are the testes located outside of the body of organisms?

A: Testes is located outside the abdominal cavity. Testes is present inside scrotum.

Q: Which protein in erythrocytes is responsible for capturing oxygen in the air and delivering it to…

A: Red blood cells, also known as red cells, red blood corpuscles, erythroid cells, or erythrocytes,…

Q: Describe the effects of streptococcal haemoysins giving an example of streptococci that can manifest…

A: The lysis of erythrocytes is known as hemolysis and the enzyme catalyzing this reaction is called…

Q: In guine pigs, rough coat (R) is dominant to smooth coat (r). What is the expected percentage of…

A: ANSWER';- 50% Explain;- A heterozygous guinea pig (Rr) and homozygous passive guinea pig (RR) have a…

Q: Arrange the statements in their proper order by writing the corresponding letter (e.g. A) for each…

A: * Gene activation and inactivation are the complicated and  multistep which are the controlled…

Q: 22) A commonly shared action of all antiarrhythmics is that they _____________________.   A)…

A: Sinus arrhythmias are abnormal heart rhythms or beats that start at the sinus node. They commonly…

Q: Fill out the blanks of the pedigree (AA, Aa, or aa) How many children did the original couple have?…

A: The pedigree analysis helps us to identifying the mode of inheritance of a particular disease and…

Q: What are the adaptive structures of the ectoparasites and the endoparasites? Compare and contrast…

A: Any organism that obtains its nutrition from the inner surface or the outer surface of the host is…

Q: If two mouse populations do not interbreed but are found in the same area, they may form different…

A: Answer :- Option (D) is correct. - Adaptive radiation.

Q: in the abs The diagram shows the process of cellular respiration both in the presence an oxygen.…

A: Aerobic respiration takes place in the presence of oxygen. The fermentation pathways of energy…

Q: Draw the chemical structure of the 5' end of nascent RNA transcript in eukaryotes.

A:

Q: Review the hereditary structures shown in the diagram. OOO O Structure X Structure Y What are the…

A:

Q: 5. In corn plants, a dominant allele I inhibits kernel color, while the recessive allele i permits…

A:

Q: Table 13: Common Names and Scientific Names of Some Organisms Scientific Name Common Name Genus Name…

A: Introduction The science of naming, describing, and classifying groups of biological species based…

Q: As discussed, McArdle's disease might occur while glycogen is synthesized.  What analog inhibitor…

A: Glucose, the key source of energy, is stored in muscle and liver in the form of glycogen. When,…

Q: If you have to choose the most obvious/important factor for a dominant transmission (between the…

A: The traits like dominant or recessive determine the inheritance patterns. These traits help in…

Q: different kinds of waste produced in a Nuclear Medicine Department.  What are the appropriate…

A: Nuclear Medicine Department The nuclear medicine department is that branch of science and medicine…

Q: Please answer the recent examples or studies about cloning entire organisms in 1. Plants 2. Animals

A: Cloning is a laboratory procedure that creates genetically identical organisms via non-sexual ways.…

Q: Model 2 - Selectively Permeable Cell Membrane and Simple Diffusion Extracellular Fluid Wwwwww…

A: Plasma membrane is a semi permeable membrane which is made up of phospholipids and proteins. The…

Q: Using the formulae for dsDNA to calculate g/mol: You have a 4110 bp cloning vector Want to ligate a…

A: The average weight of a single DNA bp is 650 daltons. This can also be represented as 650 g/mol (=…

Q: * 3. If 612,300 individuals died on the same year, what was the death rate? 0.25% 0.5% 1.5% 2%

A: The population is the collection of all individuals of a particular species that are located in a…

Q: Embryo mRNA in dormant seeds is expressed at germination. O Pre-transcriptional control O…

A: Following synthesis, some proteins are dormant unless they are stimulated, which can be accomplished…

Q: Question 49 A group of antibiotic-resistant genes is known as a bundle. cassette. conjugate.…

A: Antimicrobial resistance develops whenever bacteria, viruses, fungi, and parasites evolve and no…

Q: What is a single word that defines a characteristic of most Herpesviruses? Answer: I

A: Herpes virus are very hard to treat due to their complex genome despite having high quality drugs…

Q: Question 23 Where is the ATP primarily made in a plant cell? O stroma and mitochondrial…

A: Introduction A plant cell is a eukaryotic cell that contain a distinct nucleus and certain…

Q: major cause of septic shock is the presence of lipopolysaccharide (LPS) from bacteria in the blood.…

A: Septic shock has high modidity and mortality rate due to its effect on circulation in the body which…

Q: Fever is a sign of pathogen infection. Statement 2: Vasodilation is a type of immune response that…

A: The immune response is the action of the body generated on encountering a foreign particle called…

Q: Describe the reproductive cycle of a retrovirus, such as human immunodeficiency virus (HIV).

A: Introduction  Viral infections are very harmful to mankind. In the post century where we faced the…

Q: Explain how snakes are related to lizards

A: Snakes and lizards are closely related to each other that belongs tothe order squamata of the…