Why is PHC not relevant today?

Q: Which of the following is/are the contents of the dorsal body cavity? A. heart and lungs B. brain…

A: Introduction - The cranial cavity, which houses the brain, and the spinal cavity, which houses the…

Q: Explain how the molecular mechanism of DNA polymerase enhances DNA replication.

A: Introduction - The replication of a double-stranded DNA molecule produces two identical DNA…

Q: ___ refers to the collection of all alleles across all gene loci in a population. a) Genetic drift…

A: Introduction :- An allele is a variant form of a gene. It is found on a certain chromosome at a…

Q: A strictly fermentative bacterium produces ATP A. by glycolysis only. B. by photosynthesis only. O…

A: Fermentation: It is an anaerobic process(absence of oxygen) for breaking down glucose to produce…

Q: A potato cube is placed in a solution. The volume of the potato increases. which statement below is…

A: Osmosis is a process of flow of solvent molecules from lower concentration to higher concentration…

Q: Question 2: Is it just a regular cold or COVID-19? Compare and contrast the two infections. In your…

A: Within the twentieth century, the globe suffered pandemics. The pandemics, as horrifying and lethal…

Q: All of the following are muscles that control movements of the eyeball EXCEPT the O A orbicularis…

A: 1) movement of the eyeball is controlled by six extraocular muscles and these are the following:…

Q: e the presence of saliva

A: Saliva is a thick, colourless, opalescent fluid that is constantly present in the mouth of humans…

Q: Explain the cell cycle and cell division

A: Answer

Q: Mark has an autosomal recessive condition called sickle cell anemia, a serious blood disorder that…

A: Sickle cell anemia is an autosomal recessive disorder which ne it can only expression if present in…

Q: Briefly summarize the conventional wisdom (DNA mutation theory) of the cause of cancer. Discuss the…

A: It  proposes that successive DNA mutations in a single cell cause cancer (monoclonality). This…

Q: 19 Across DOwn 1 Enzyme that "glues" Okazaki fragments together 4 Base that will pair with Thymine 5…

A: DNA replication is the process of producing complementary DNA from the parental DNA molecule.

Q: Pruning results in a greater photosynthetic area and therefore lesser foods are manufactured? True…

A: Introduction Pruning is when you selectively remove branches from a tree, It allows room for new…

Q: A concussion is a mild traumatic brain injury.  How might a concussion acutely affect hearing and…

A: *A concussion is  traumatic brain injury which will affects brain function Caused by a blow to the…

Q: For genotype: repP¯ lacP lacP* lacO* lacZ* lacY Select the best description of permease activity in…

A: A) Permease activity:-  Lactose Present; Glucose Present-- 4.lower than basal. Lactose Present:…

Q: What are the specific genetic tests used for Beta-Thalassemia?

A: Beta-thalassemia is a condition that can be inherited from one or both parents. It is a blood…

Q: Calculate the coulomb energy for the following three nuclei using the semi-empirical mass formula.…

A: Introduction The semi-empirical mass formula is used to calculate an atomic nucleus' mass and other…

Q: Q4 - What are two features of your protein's (Phosphoenolpyruvate carboxykinase, PCK1) structure…

A: Answer-4 A protein is a normally occurring, extremely complex substance that consists of amino acid…

Q: WHY IS IT NOT ADVISABLE TO MOVE/ TOUCH THE AGAROSE GEL IN THE PROCESS OF HARDENING.

A: The agarose gel is use as the ground substance for the growth of the various bacteria. Due to the…

Q: 9. What slide preparation technique should you use for the following research goals? Briefly justify…

A: Answer :- a) Maceration technique  In maceration the complex substance is broken down into simple…

Q: Why do Pelicans have a long history as a cultural symbol of self-sacrifice? 2. Please describe the…

A: As per the guidelines, we are supposed to answer only one question. Kindly post the other question…

Q: On the planet of Caracas, in the Stellar Solorais KaChunka Galaxy, there is a population of…

A: Given: The phenotype of interest is Peanutus01. There are two alleles for the autosomal gene…

Q: 8. Explain the steps that lead to phosphorylation (activation) of Akt by EGFR receptor.

A: *NOTE: Kindly repost for other questions Dear Student as per the guidelines we are supposed to…

Q: 3a. George is a marathon runner. Describe the changes in the proportion of energy supplied by…

A: Running is a method of moving very fast on foot.  While running a marathon, few things should be…

Q: All of the following describe a gamete, EXCEPT: a) sperm b) haploid c) zygote d) egg

A: Gametes are an organism's reproductive cells. They are also referred to as sex cells. Female gametes…

Q: Natural selection favored dark-colored fur in the rock pocket mouse.  The selective force on the…

A: Natural selection  It is a natural biological process where organisms adapt and change there…

Q: By average, how many Sau3A (5’GATC3’) sites are there in a 10 kd DNA molecule? (1/4)^6 * 10,000 =…

A: Answer :- For the first question, the restriction site for the enzyme Sau3a is composed of four…

Q: A cell experiences a mutation where the DNA polymerase III enzyme can now add nucleotides to either…

A: A "nucleic acid" is a linear polymer of nucleotides that is a component of the cell's information…

Q: Use what you know about inflammation to explain how periodontal organisms might be responsible for…

A: Suppose that bacterial plaque builds up in patient's oral cavity (on the teeth). This leads to…

Q: A man infected with a viral respiratory infection sneezes and releases tiny droplets containing…

A: INTRODUCTION Virus It is a microscopic infectious agent contain DNA or RNA as their genetic material…

Q: What is the outgroup between deep sea Dragon and shiny loose jaw And 2 similarities and differences…

A: Cladistics or phylogenetics is the maximum usually used technique in the biological category. It…

Q: Human genome includes its chromosomes and plasmids. O True O False

A: Introduction A genome can be defined as an organism's complete set of deoxyribonucleic acid (DNA).…

Q: Next, soy contains isoflavones that are phytoestrogens. Define phytoestrogen and describe how the…

A: Phytoestrogens are chemicals produced from plants and are becoming common human and animal diet…

Q: What is Pepsin

A: Digestion of food begins inside the mouth with the help of the enzyme salivary amylase and digestion…

Q: Once the RNA primers are replaced the fragments in the lagging strands are sealed by DNA pol I. A…

A: The replication is the process of producing double standard DNA molecule from the parental double…

Q: Which of the following receptors is most implicated in the energy crisis following a concussion?…

A: A concussion is a type of brain injury that can occur after a blow to the head. Concussions can…

Q: Ultraviolet light principally causes which of the following dmages to DNA? A methylation of specific…

A: UV light can kill cells by damaging DNA to an irreversible extent. The light initiates reaction…

Q: Why are parasitic infections of nematodes still common despite our understanding of their biology?…

A: The parasitic can reside in the human body's small intestine. They reproduce by laying eggs and…

Q: egmentation O Can be fused into specialized functional regions Is seen in insects, worms, and their…

A: The sequence repetition of similar organs, tissues, cell types on different body segments placed on…

Q: The purpose of this research was not to test the functionality of the transplanted kidneys, but…

A: Kidneys are paired bean  shaped organs. The remove excess water, toxins, wastes from the blood in…

Q: Which of the following is true about neglected tropical diseases? Group of answer choices Though…

A: * Neglected Trophical disesase commonly seen  in countries like Africa and Asia and Latin America…

Q: Within an ecosystem, the total amount of energy produced initially by primary producers will be the…

A: Answer :- Option (A) is correct. - More than.

Q: 1. Why do loons have difficulty walking on land? 2. Where do baby loons spend most of their time…

A: Introduction Loons are water birds, range in length from 60 to 90 cm (2 to 3 feet)re members of the…

Q: Match the different methods of analysis with the approaches in Glycomics Study of enzyme…

A: Glycomics is a subset of the field of glycobiology that aims to identify the structure and function…

Q: Imagine you are going to label a gene associated with apoptosis in Symbiodiniaceae with a Yellow…

A: Splicing is the post transcriptional modification where intron (non coding part of gene) will be…

Q: In 1947, Donal Hebb took some rats home from his lab at McGill University. Hebb let these rats grow…

A: Main morphological difference between neurons of rats growing in laboratory v/s rats growing in…

Q: iscuss the intestinal phase of gastric secretion regulation with examples

A: The digestive system is involved in a variety of processes, including food digestion and nutrient…

Q: For genotype: repP lach lacPt lacO+ lacZt lacY Select the best description of beta-galactosidase…

A: Beta galactosidase is an enzyme which breaks the disaccharide lactose to produce galactos and…

Q: 1. The group of Leonor and Junior conducted an experiment about the fragmentation of planaria.…

A: In this, the given paragraph includes the experimental process and the observations of…

Q: Which of the following enzymes is responsible for the bulk of DNA synthesis during replication in…

A: DNA pol I,II and III are present in prokaryotes. However it is the DNA polymerase III which is…