What are opportunistic infections, and when do they develop?

Q: E. coli is severely exposed to UV light and is DNA damaged, but it attempts to replicate its genome....

A: U.V. Light -- Ultra Violet Light -- It is the shortest wavelength of Ultra violet light emitted  by ...

Q: the heights of two true breeding strains of maize were both 1.75m and when crossed the F1 height was...

A:

Q: The sister taxon of the Chordata is the _____. a. Mollusca b. Arthropoda c. Ambulacraria d. Rotifera

A: All living organisms are classified based on their internal and external features. The science of cl...

Q: Label

A: A pair of sperm-secreting organs that maintains the male reproductive system's health is the testes ...

Q: Which of the following describes an abiotic factor in a forest?  earthworms that burrow throug...

A: Abiotic factors are the nonliving factors and the biotic factors are the living factors. Examples of...

Q: Adenine, cytosine, guanine, and thymine are the nitrogenous bases found in the DNA of which organism...

A: DNA is a long polymer of nucleotides. A nucleotide is made up of three components which include: Pe...

Q: The movement of water through the soil is determined by the type of soil only. a. True b. False

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want rem...

Q: Why is yeast RNA insoluble in in cold water, 95% ethanol, and in diluted HCl solution

A: The electrostatic attraction between the Na+ ions and the PO3- ions is depended on the dielectric co...

Q: What are the genotypes of the mother and father in the pedigree below? The pedigree shows albinism (...

A: The autosomal recessive is of the ways through which many traits, diseases, and disorders can be pas...

Q: Please dear faster  And thanks all

A: The nutritional status of an individual is generally determined by the consumption of a proper amoun...

Q: Whether the organism is a banana plant, a fish or a human being, the information in the DNA of the c...

A: Yes, It is true that whether banana plant, a fish or a human being, the genetic information in the D...

Q: A student observing a sample of cheek cells noticed that all of the cells were identical. Which stat...

A: Cheek cells  Cheek cells are eukaryotic cells and present inside the mouth. They are continuously sh...

Q: Why would a scientist use asexual reproduction to grow two offspring of a plant, instead of using se...

A: It can be natural or artificial. Naturally it occurs through buds, tubers or adventitious roots. Art...

Q: 16. Which of the following is a characteristic of the genetic code? a. codons and anticodons consist...

A: DNA (deoxyribonucleic acid) is the genetic material of all the organisms on the planet except a few ...

Q: 8.) Answer the following questions regarding the following DNA sequence. 3'TACGGGGATAGCCGGCGAATTAAAT...

A: During transcription RNA synthesis occurs over DNA and translation or protein synthesis occurs over ...

Q: 6 and/or 7 please

A: Ans 6. Small molecule inhibition of the enzyme is an important biological system control mechanism. ...

Q: Identify the mechanism of folic acid and describe. Types include oral, parental( intravenous, intra ...

A: Folic Acid are generally used to prevent anemias ie Folic acid deficiency. It consititutes of B-Comp...

Q: Which of the following is the study of patterns in the geographic distribution of species and commun...

A: In ecology, a network is a gathering or relationship of populaces of at least two unique species inv...

Q: What are the characteristic electrocardiographic features of the common cardiac dysrhythmias?

A: Cardiovascular systems include the heart, blood and blood vessels that pumps blood throughout the bo...

Q: Which of these geologic features are sites where magma ruptures from tectonic plates?   Tre...

A: The geological features are those which are related to the earth. Following are the four main geolog...

Q: Which of the following represents the hierarchical organization of genetic material from smallest to...

A: A branch of biology which deals with the study of genes, variations and heredity in organisms is cal...

Q: Adenine, cytosine, guanine, and thymine are the nitrogenous bases found in the DNA of which organism...

A: DNA or RNA are nucleic acid found in  genetic material of living organisms. DNA is long polymer of n...

Q: The nucleotide sequence in a single strand of DNA represents which level of structure? a. quatern...

A: Deoxyribonucleic acid (DNA) stores the cell’s genetic information and is present in the nucleus of t...

Q: You have just isolated the covid-19 virus.  Analysis of its genome reveals that it is composed of a ...

A: Chargaff's rule states that the concentration for each base in a base pair is always equal to its ma...

Q: Why is distilled water beneficial to plants

A: Water is a substance which is made up of chemical elements like hydrogen and oxygen and exist in the...

Q: one cell within a given tissue and describe how it fulfils the concept of form and function

A: The cell is the basic structural and functional unit of all known organisms.A cell is a smallest uni...

Q: Answer the following multiple-choice questions about cancer-promoting mutations. A gene whose mutant...

A: Cancer cells by definition, proliferate in defiance of normal controls and are able to invade and co...

Q: uestion 20 Very few water lilies grow in the desert. What term refers to water availability to lilie...

A:   Habitat is mainly “the home” for an organism. A habitat is that place from where the particular or...

Q: Plant regions of continuous growth are made up of ________. a. dermal tissue b. vascular tissue c. m...

A: Plant tissues can be broadly classified as meristematic and permanent tissue. I Meristematic tissue:...

Q: What is the outcome of competition if K1 = 200, K2 = 150, α12 = 0.25, and α21 = 4? Include a graph t...

A: Carrying capacity can be defined as a species' average population size in a particular habitat. The ...

Q: Enzymes that phosphorylate proteins is an example of gene regulation by ---- "

A: Ans. The charged and hydrophilic group of Phosphorylation is inserted into the amino acids side chai...

Q: Define the Chromatin Structure and Nucleosomes ?

A: DNA (Deoxyribonucleic acid) is a long thread-like structure, which is approximately 2 meters in leng...

Q: II. Fill in the Appropriate Information on table 3. Recipient's Antibodies Blood Type Antibody Antib...

A: Blood is the main circulating fluid in the human body. It is the fluid connective tissue. It is brig...

Q: Describe the conditions and challenges facing organisms living in the intertidal zone.

A: The intertidal zone also known as the littoral zone or as the foreshore and seashore is the area bet...

Q: Which of the following statements does not support the conclusion that giraffes are k-selected speci...

A: The individuals of the same species that reside in a common geographical habitat make-up a populatio...

Q: The benthic zone is home to organisms which are     photosynthetic.     intertidal.     ...

A: Because light does not penetrate very deep into ocean-water, the energy source for the benthic ecosy...

Q: Which of the following is both a phagocyte and an antigen-presenting cell? a. NK cell b. eosinophil ...

A: An Antigen Presenting Cell, like a macrophage, engulfs and digests a foreign bacteria. An antigen by...

Q: In 1-3 sentences each define the follwing terms:  genetic linkage, crossing over, X-inactivation, an...

A: The above question is related to genetics and their types in detail.

Q: 8 and/or 9 please

A: All plants come under the kingdom Plantae. They are eukaryotes, multicellular, and having cell walls...

Q: Kindly please answer it as soon as possible.

A: Recombinant DNA technology consists of techniques that are developed for manipulating, maintaining, ...

Q: The causes and risk factors of Aids?

A: AIDS stands for Acquired immunodeficiency syndrome. It is a chronic condition in which the immune sy...

Health Epidemiology

Health is an essential factor for all human beings. For all humans, health is a critical factor. An individual's ability to meet life's challenges and retain his or her capacity for optimal functioning is reflected in his or her condition of health. This needs the physical, mental, and biological parts of one's constitution to maintain a degree of functioning that has a favorable influence and support for one another.