A child complaining of rectal itching and insomnia is most likely suffering from pinworm hookworm threadworm whipworm

Q: How has biodiversity changed through the stages of succession?

A: Biodiversity means the variety of living organisms or life in a habitat. *It can also be defined as…

Q: a) Describe the processes involved in the knee-jerk reflex and explain why it is called a…

A: A reflex, also known as a reflex action, is an immediate, involuntary reaction to a stimuli in…

Q: Can you explain how photosynthesis works?

A: Plants are producers as it can prepare its own food by means of photosynthesis. This mode of…

Q: Which of the following statements is most likely for a 2-year-old patient with beta-thalassemia…

A: Beta-thalassemia major, also known as Cooley’s anemia, is a type of inherited blood disorder caused…

Q: Describe the structure of the flexible endoscope.

A: An endoscope is a flexible tube with a built-in camera that enables medical professionals to…

Q: This is the anterior pituitary. What structure is indicated by the arrow?

A: A set of organs which cooperate to carry out one or more activities is known as an organ system in…

Q: ompare and contrast gigantism and acromegaly. Discuss the differences in terms of age, aetiology,…

A: Gigantism and acromegaly are the conditions that are related to the growth hormone.  Growth hormone…

Q: Compare and contrast the receptor-binding proteins of the envelope and the receptor used by the…

A: SARS - COV- 2 stands for severe acute respiratory syndrome coronavirus virus 2. It is highly…

Q: Vertical elongated cells of the xylem (such as tracheids or vessels) are developed from a. cortex O…

A: Introduction: The elongated tracheary portions that deliver water are the xylem cells that are most…

Q: The peppered moth, Biston betularia, occurs as light- or dark-colored variants. Prior to the…

A: Directional selection is a type of natural selection in which a certain trait or characteristic…

Q: Diagnosis Using Anthony's symptoms and initial lab results, describe how you diagnosed that the…

A: Anthony were sick from the past few week. X-ray of the heart shown no abnormalities. But upon…

Q: Give an example of at least 2 animals and a specific gene that you wish to add or remove from it.…

A: Transgenic animals are animals that have had their genetic makeup altered by the introduction,…

Q: Explain why the hydrolysis of pyrophosphate is important during DNA replication.

A: The need for replication arises from the fact that every time a cell splits, new cells must share…

Q: where does fertilization occur in the oviduct of a human female ?

A: The joining of the male gametes and the female gametes to create a diploid zygote is known as…

Q: b) Shown below is a short gene of an unknown bacteria genome (Figure 2). (Note: Transcription starts…

A: Hair pin loop is a self complementary Terminator sequence which is formed when the RNA transcription…

Q: Questions 1. Where does the domain fit into Linnaean taxonomy? 2. Why was there a need for the…

A: Domain system in biology is a classification system developed by Carl Woese in the 1970s to organize…

Q: what are the pros and cons of the tobbacco plant

A: Tobacco is the commonly used term for the plant Nicotiana tabacum, as well as, to a lesser extent,…

Q: Which neurotransmitter acts directly at the heart to increase heart rate? a. Norepinephrine b.…

A: The chemical communicators in the body are called neurotransmitters. They transmit information from…

Q: List any three human activities which would lead to an increase in the carbon dioxide content of…

A: Carbon dioxide (CO2) is a major component of our atmosphere, and human activities contribute…

Q: Which is INCORRECT regarding RAAS cascade? a. Renin levels increase in response to a drop in blood…

A: The Renin Angiotensin Aldosterone System (RAAS) is an important part of the endocrine system that…

Q: 11 2. Copy the following table in your notebook. Complete the table by • identifying the…

A: Introduction :  Infection, presence, and proliferation of pathogenic (able to cause disease)…

Q: Which of the following steps DO NOT occur in pyruvate oxidation? A. Addition of Co-A B. Oxidation of…

A: The pyruvate is produced as a end product in glycolysis. The glycolysis involves break down of…

Q: Discuss the sequential steps of innate immune system activation in response to SARS-COV-2 infection…

A: We all know that Covid-19 is a deadly virus which already created a pandemic on our world.It first…

Q: The primary structure of DNA is held together with ___________ bonds, and the secondary structure is…

A: Linear nucleotide sequences joined by powerful phosphodiester bonds are referred to as the primary…

Q: Explain the questions related to animal nutrition: a. Would there be a benefit if antibiotics were…

A: The grow-finishing (GF) phase is the time between the animal's release from the nursery (when it…

Q: In achondroplastic dwarfism, an autosomal dominant disease, the gene is lethal in homozygotes. If…

A: Hardy-Weinberg equilibrium is a mathematical equation used to describe genetic equilibrium within a…

Q: Draw a segment of DNA that has the 5’-TAGC-3’ sequence and its complementary strand

A: Please find the image below. The sequence with molecular details is given as follows.  The question…

Q: Describe various factors that affect plant growth (e.g. growth regulators, sunlight, nutrients,…

A: For growth and development, plants need light, water, oxygen, minerals, and other nutrients. In…

Q: Compare the digestive, respiratory and circulatory system of E coli bacteria and Cactus, then…

A: We all know that E.coli is a bacteria which is mainly a prokaryotic cell and Cactus is mainly a…

Q: Accidental proteinuria Functional proteinuria Renal proteinuria

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to…

Q: b) Shown below is a short gene of an unknown bacteria genome (Figure 2). (Note: Transcription starts…

A: The process of prokaryotic transcription results in messenger RNA transcripts. Translation and…

Q: As the DNA replication move toward the end of the telomeric region, leading-strand replication…

A: Telomere is the physical ends of eukaryotic chromosomes. They protects the chromosome ends from DNA…

Q: Single and double digestion of plasmid pMCS326 were performed using the restriction enzymes AluIII…

A: Restriction mapping is a technique for mapping an unknown section of DNA by breaking it apart and…

Q: Compute for the prevalence of CHD by age group. Age Group 30-39 40-49 50-59 TOTAL Population 1,869…

A: Coronary heart disease (CHD) is a type of cardiovascular disease caused by the narrowing of the…

Q: Why is the cell cycle important to polar bears

A: The cell theory states that all living organisms are comprised of cells and cell is the fundamental…

Q: What is the study of microorganisms

A: Microorganisms are tiny living things that cannot be seen with unaided eyes due to their small size.…

Q: Is Trypsin good or bad for enzyme? and also for health?

A: Trypsin is a serine protease that is synthesised in the pancreas as trypsinogen.   Trypsinogen…

Q: Describe the functions of the human skeleton and link thier functions to specific structures.

A: Body's skeletal system serves as a support framework. It shapes the body, facilitates mobility,…

Q: Figure 3 shows translation elongation in progress. What is the structure labelled A, B, C and D in…

A: Translation is the process of copying the information on an mRNA into a sequence of amino acids to…

Q: 1. What is photosynthesis? 2. Give the chemical equation of photosynthesis 3. Explain the importance…

A: Photosynthesis Photo meaning in the presence of light and synthesis meaning formation.…

Q: How does DNA replication relate to the transmission of genetic material to future cells?   Here…

A: DNA replication is the process by which cells make copies of the genome's DNA.  A cell must first…

Q: a- Select a plant that you eat regularly and mention its scientific name. How do we name the…

A: We have access to a wide variety of fruits and vegetables every day, including kiwi, apples, and…

Q: In Dr. Kettlewell's experiment,  What was behind the color change of the moth?   Question 1…

A: Dr. Kettlewell's experiment: The experiment revealed that birds hunt on peppered moths selectively…

Q: Write one paragraph on why someone would want to pursue a biology degree

A: Biology is the science of life and living organisms, including their structure, function, growth,…

Q: A researcher is performing PCR to amplify a sample of DNA. Unfortunately, he forgot to add the DNA…

A: Introduction: A given DNA segment can be quickly multiplied (amplified) into millions or billions of…

Q: Explain the process of attenuation of the trp operon under high tryptophan levels.

A: The trp operon's expression is controlled by attenuation. A leader sequence is located upstream of…

Q: Which of the following could attribute to variation within a species?  Choose all that apply.…

A: Variation within a species is the diversity of characteristics that exist among different members of…

Q: Explain the advantages of the use of the flexible endoscope for investigation of the…

A: Flexible endoscopes are sophisticated medical tools used to view internal body parts. Endoscopes…

Q: Explain the concept of reproductive value and its significance in the evolution of life histories.

A: Reproductive value (RV) is a concept in evolutionary biology that refers to the expected…

Q: Explain how turgor pressure develops in a cell

A: Cells are the minuscule building blocks of life which make up all living things. Cells vary in a…