Which of the following are infections of the respiratory system (multiple correct answers) rhinitis - infection of the nasal cavities otitis - infection of the ear bronchitis - infection of the bronchi O urinary tract infection

Q: dye-linked substrate called X-gal (5-bromo-4-chloro-3-indolyl-ß-D-galacto-pyranoside) into galactose...

A: The lac operon contains a group of related genes (promoter, operator, Lac Z, Lac A, and lac Y) that ...

Q: Calculate the number of ATP's formed in the liver from the complete metabolism of one molecule of gl...

A: A molecule found in all living cells that provides energy for a range of metabolic processes as well...

Q: The genome of________ can be either RNA or DNA. a. a bacterium c. a virus b. a eukaryote d. an archa...

A: Introduction: DNA stands for 'deoxyribonucleic acid' and it is the hereditary material in humans and...

Q: The process of starts with a molecule of and has an output of pyruvate.

A: Photosynthesis is the process through which plants convert sunlight, water, and carbon dioxide into ...

Q: 11. In a dihybrid cross, we consider two traits at the same time. Suppose in a species of fish, long...

A: Introduction: Heterozygous refers to the inheritance of an organism of different forms of a specific...

Q: Application: Innate immunity and adaptive immunity from the following options: COVID-19, Hepatitis ...

A: Introduction: Immunity is an organism’s ability by which it defends itself from diseases. It prevent...

Q: 2. The capacitive properties of biological tissues are connected: a - with the active resistance; b ...

A: Capacitance is the ratio of the amount of electric charge stored on a conductor that has a charge to...

Q: Earth is about 4.5 billion years old. In order to characterize the events that happened in this very...

A: Geological time scale can be defined as sequence of geological events happened in the history of ear...

Q: What is the purpose of checkpoint in cell cycle

A: Introduction Cell Cycle:- A cell cycle is a series of events that takes place in a cell as it grows ...

Q: Erwin Chargaff discovered that although the nucleotide composition of DNA varies from one species to...

A: DNA is the store house of genetic information. The segment of DNA that can produce a polypeptide is ...

Q: Which of the following occurs in prophase I, but does NOT occur in prophase II?             Select...

A: Prophase 1 and prophase 2 are the part of meiosis. Meiosis is a reductional division that produces h...

Q: heart attack

A: A heart attack also know  as myocardial infarction happens when a part of the heart muscle doesn't g...

Q: What are the steps of ATP synthesis during rotation of the a3ß3 hexamer? Include which steps corresp...

A: The organic compound adenosine triphosphate (ATP) is a hydrotrope that provides energy to many proce...

Q: Compare the structure of Gram-positive and Gram-negativebacteria

A: Introduction: Bacteria is a single celled prokaryotic organism. Their cell structure is simpler than...

Q: QUESTION 3 Which of the following is the correct comparision of fertilization in sea urchins and mam...

A: fertilization is the process in which the male gamete meets the female gamete and produces a zygote ...

Q: an egg cell were treated with EDTA, a chemical that binds to calcium ions: The acrosomal reaction wo...

A: Physiologically, the acrosomal reaction requires presence of calcium ions for the reaction to happen...

Q: The second parent-phenotype combination would appear to represent a group of test crosses. What rati...

A: Introduction: The physical appearance of an organism such as colour, height, which occurs as a resul...

Q: Complete the table to determine the amounts of other nucleotides found in each DNA sample.

A: DNA Sequencing A laboratory process used to learn the exact sequence (order) of the four building bl...

Q: e citric acid cycle, the starting molecule is and the output molecule is

A: Citric acid cycle is an important step of aerobic respiration. It occurs in mitochondrial matrix in ...

Q: red blood cell and an Elodea cell when placed in a hypotonic solution.

A: Solution that have lower osmotic pressure than other  compared solution is called hypotonic solution...

Q: All about the properties of Coronavirus as an Immunogen.

A: Coronavirus also called covid 19 is a novel viral infection which attacks the cells in the lungs and...

Q: The molecular pore of the DMVS is hypothesized to be

A: This question is based on double membrane vesicles.

Q: What are the two major classes of flowering plants, and how can one distinguish between them?

A: Gymnosperms are plants that do not flower and have naked seeds. There were six phyla of gymnosperms ...

Q: Give at least two examples of DNA traits that are expressed in the strawberry.

A: DNA Traits are the features in an organism that are regulated by genes. Genes are regions of DNA tha...

Q: One of the functions of metabolism is to provide the energy needed to all the processes required by ...

A:

Q: Given the map a 15 b 24 c (where 15 and 24 are the respective map distance between the loci) with a ...

A: The question is related to 3 point test cross. This cross is used to determine relative position of ...

Q: has the same number of chromosomes as the telophase nuclei in Figure 6.4. Explain the different appe...

A: Prophase is the first step in the cell division where the cell starts its processes required for the...

Q: Explain how the system of pores operates in a typical sponge. What are spicules and spongins? What a...

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

Q: Which of the following statements about hormones is correct? O steroid hormones are water soluble O ...

A: A hormone is a signaling molecule that allows cells to communicate with one another. Hormones are pr...

Q: 1. Mendel crossed a plant that was heterozygous for height and heterozygous for pea shape with a pla...

A: INTRODUCTION Dihybrid cross This is the crossing between two organisms which are identically hybrid ...

Q: In medicine, there are many essential but difficult topics, phenomena, concepts and problems. The in...

A: Introduction: Medicine is the science and practise of caring for a patient, including managing their...

Q: Explain Darwin's theory of descent modification.

A: Introduction Evolution is the process of a species' features changing over numerous generations thro...

Q: 1. An extruded breakfast cereal was analysed for total fibre using AOAC Method 991.43 (AACC Method 3...

A: Dietary fibers are a mixture of soluble and insoluble polysaccharides, nondigestible oligosaccharide...

Q: explain what scaffold hopping is and why it is useful for drug development?

A: According to the question we have to explain scaffold hopping. In addition to that, we need to discu...

Q: If you were to engineer some non-adhesive cells to express e-cadherin at either high levels or low l...

A: Introduction Cadherin-1 (CAM 120/80, epithelial cadherin, or uvomorulin) is a protein that is encode...

Q: Explain why I− alleles in the lac system are normally recessive to I+ alleles and why I+ alleles are...

A: The I gene is the gene that is used for determining  the process of synthesis of a repressor molecul...

Q: Contrast monocots and eudicots, the two largest classes of flowering plants.

A: Introduction:- Angiosperm, usually known as a flowering plant, is a type of angiosperm. Angiosperms ...

Q: There was a large proliferation of fossils showing increase in diversity of life.What period is this

A: Geological time scale is the calendar for events in Earth's history. It is divided into eras, period...

Q: In the count plate method, how do we reconcile the number of colonies in the plates to the actual nu...

A: The principle of this method is based on the fact that many bacteria occupy unique positions in the ...

Q: list the types of exocrine glands and relate its type with its function.

A: Introduction Exocrine glands:- These are the glands of external secretion or the cellular sub-struct...

Q: c. In a case of disputed paternity, the blood type of the child is a determinant of disowning a chil...

A: There are four main blood group - A, B, AB, O. Blood group is determined by genes you inherit from y...

Q: Which of the following is an example of positive control? (a) transcription occurs when a repressor ...

A:  A positive control is described as an integral part of an experimental that has a tendency to contr...

Q: The ends of many eras and periods in the geologic time scale are characterized by (1). These events ...

A: My extinction is defined as the disappearance of species faster than they can be replaced by the nat...

Q: The diversity of life is explained by the theory of evolution. Living things on Earth evolve by (1);...

A: People thought that you living things appear all the time through spontaneous generation from both n...

Q: Compare the features of gymnosperms and angiosperms.

A:

Q: Explain the role of lactose in structure ?

A: Lactose is the primary sugar (or carbohydrate) found naturally in milk and dairy. Lactose is made up...

Q: Name and briefly describe the four phyla of gymnosperms.

A: Gymnosperms are plants that do not flower and have naked seeds. There were six phyla of gymnosperms ...

Q: TRAITS NUMBER of STUDENTS 39 PROPORTION Attached earlobes 39/49 Unattached earlobes Right-handed Lef...

A:

Q: Define the purpose of producing many copies of the gene’sencoded protein in a host cell ?

A: In a single gene, information for making specific protein is encoded. Genes are long, consists of th...

Q: Are microbes responsible for normal brain development?

A: Microbes or microorganisms can be referred to as the tiny living creatures present on most part of t...