Describe the physical changes of puberty.

Q: Q6.9. Why is it important to "flatten the curve" by reducing the peak number of infections during an…

A: An epidemic occurs when an infection progresses rapidly to a large number of hosts in a community in…

Q: Describe how a sea star feeds.

A: Starfish, often known as sea stars, are echinoderms with a star-shaped body that belongs to the…

Q: Draw the chemical structure of the 5’ end of nascent RNA transcript in bacteria.

A: DNA (Deoxyribonucleic acid) and RNA are two examples of nucleic acids (Ribonucleic acid). To…

Q: Question 4 Put the following events of neurulation in order, from first to last. Notochord signals…

A: Neuurulation is a process in which formation of neural plate, crest and groove occurs. This process…

Q: List ALL of the substrate-level phosphorylation steps in cellular respiration and the enzymes that…

A: The cellular respiration involves breakdown of glucose and production of energy in the form of ATP.…

Q: It is a tubular reabsorption test wherein it compares day and night urine in terms of volume and…

A: Reabsorption It is defined as the process through which the nephron takes out the water and solutes…

Q: In humans, the development of gonadal sex in females is determined by a. The production of inductors…

A: Gonadotropin-releasing hormone (GnRH) stimulates FSH and LH generation in both males and females.…

Q: 72) In case of RNA dependent RNA polymerase in Newcastle disease virus (NDV), is a a. Its template…

A: Introduction - Newcastle disease virus (NDV) is one of five viral species being tested as vectors…

Q: What is the difference between primase and DNA polymerase alpha?

A: DNA is a polymer made up of two polynucleotide chains that coil around each other to form a double…

Q: What causes the milk to thicken and form curds in yogurt?

A:

Q: The steps to assessing each parameter listed (for animals): - Respiratory rate - MM (Mucous…

A: The objective of the physical assessment is to determine the overall fitness level based on general…

Q: II. Complete the table below. Aerobic Respiration Anaerobic Fermentation Respiration Site Pathways…

A: Respiration pathways :- comparison of aerobic, anaerobic respiration and fermentation.

Q: A bacterium using oxidation/reduction of inorganic compounds as the energy source and CO2 as the…

A:

Q: A female salamander with black eyes is crossed to a male yellow salamanderwith red eyes- All of the…

A: Female salamender has black eyes and male salamander has red eyes and yellow color.

Q: Suppose you are to describe structure 3, which of the following best describes it? 1 2 3 4 Figure 4.…

A: Introduction The given figure shows cell modifications and the labeled parts are:- 1. Free surface…

Q: promoters Insulators are particular that control access of enhancers to translation transcription…

A: Introduction  Gene expression is the process through which information from a gene is used to create…

Q: Gli3 and distal Hox gene expression Gradual reduction in distal Hoxd dosage Ноxd13 +/+ +/- +/+ +/-…

A: Hox genes specifies the identity of the limb region. It also sepcifies whether a particular…

Q: How Health Management Information System can be used to monitor program performance the Maternal…

A: Introduction Health Management Information System (HMIS):- It is an instrument that could be used to…

Q: The human skin houses trillions of bacteria, called the skin flora or skin microbiota. How would you…

A: Introduction The immune system:- It is a complex network of cells, tissues, organs, white blood…

Q: Question 35- Two possible causes of appendicitis are: Question 36- Twisting of the bowel causing…

A: Appendicitis- it is the inflammation of appendix. Two possible causes of appendicitis are- Hardened…

Q: How many protons are pumped in total upon complete oxidation of NADH? How many protons are pumped in…

A: The electron transport chain is responsible for generating electrochemical gradient across the inner…

Q: How do plants benefit from symbiotic associations with bacteria? with fungi?

A: The rhizosphere is the narrow region of the soil around the plan roots, that is influenced by a…

Q: One factor that influences the diversity and/or composition of the microbiome, for example, age,…

A: Microbes are both beneficial and potentially dangerous and make up the microbiome. The majority are…

Q: The oldest body fossils of a land animal are of_____ .a. insects c. cnidariansb. roundworms d.…

A:

Q: phagocytic cells recognize pathogen-associated molecular patterns using their:  Group of answer…

A: Pattern recognition receptors(PRR) These are class of transmembrane toll like receptors(TLRs) found…

Q: Q6.2. There are many diseases that do not infect a person more than once, such as chicken pox and…

A: Introduction Immunity is a complex biological system with the ability to recognise and accept what…

Q: ecological niche

A: All living organisms have a range of environmental conditions under which they can survive, grow,…

Q: Compare and contrast the materials used, venipuncture site, and blood extraction techniques

A: Winged blood collection The butterfly needles are used to find out a superficial vein of the patient…

Q: Crops gain genetic diversity when large swathes of farmland are planted with the same crop. Which…

A: Interspecific hybridization takes place between two different species but is related, while…

Q: What is a cfu?   • The average number of plasmids contained by a bacterium.    • A single bacterium…

A: Introduction A CFU is defined as a single, viable propagule that produces a single colony, It is the…

Q: 56) Prionsare small circular RNA Viruses, those viruses don't have capsid and they can't replicate…

A: A virion is a complete viral particle made up of an exterior protein shell called a capsid and a…

Q: Explain the structure and function of the echinodermwater–vascular system.

A: Echinoderms are deuterostomes, which mark a significant phylogenetic transition in the animal…

Q: The figure shows the level of genetic diversity at three loci in two species of elephant seals.…

A: Genetic diversity at a specific locus is affected by evolutionary factors.

Q: The aerobic breakdown of glucose by bacterial cells yields ATP, while the anaerobic breakdown of…

A: The process that involves complete oxidation of respiratory substrate in presence  of oxygen with…

Q: Tagging of a misfolded protein with the peptide called ubiquitin can result in its destruction by a…

A: Proteins are tagged for degradation with a small misfolded protein ( unneeded or damaged) called…

Q: Give 8 physiological adaptations of mammals. Pls. specify the name of mammals and its specific…

A: A psychological adaptation is a functional, intellectual, or behavioural feature that helps an…

Q: pls help and explain what are some physiological, behavioral, or antamoical similiarties of a…

A: Our world is full of biodiversity. It consist of different kind of organisms. All the living…

Q: Each organism has its way of adaptation; how will you describe the adaptation of an organism to…

A: Adaptation is the process through which an organism adjusts to its surroundings in order to improve…

Q: How does a positive interspecific distribution-abundance relationship occur in ecology?

A: Ecology is the science that examines the interactions of living species, including humans, with…

Q: Which of the following processes would be directly affected by blocking the function of peptidyl…

A: Introduction :- Peptidyl transferase is the enzyme that creates peptide bonds during protein…

Q: For instance, you encountered an unusual one-celled organism, what part/s of its cell would you use…

A: According to the five-kingdom classification by R H Whittaker, organisms are grouped into Monera,…

Q: Pait tsse Meristematic Permanent Cells are capable of cell division Mature cells are incapable of…

A: Tissues are groups of cells that have a similar structure and act together to perform a specific…

Q: After treating cells with a chemical mutagen, youisolate two mutants. One carries alanine and the…

A: Introduction A mutation occurs when the sequence of DNA changes. Mutations can occur as a result of…

Q: 107) Cell death due to viral infection can happen through except a. Lysis of the cells b. Rounding…

A: Option A: Cell death can be induced upon viral attack by various methods. Such as: cell lysis,…

Q: Which of the following have been suggested to comprise the most ancient branch of the euryarchiotes?…

A: There are few important points about euryarchiotes : It is in the phylum archaea . Its features…

Q: 1. Embryonic development occurs during this period. A. from the ninth week of gestation to birth…

A: Here I discuss about embryonic development and gastrulation.

Q: dichotomous key

A: A dichotomous key is an important scientific tool, used to identify different organisms, based the…

Q: The lac operon consists of three structural genes, lacZ, lacY and lacA that are transcribed as a…

A: Lac operon has *3 structural genes- lacZ, lacY, lacA *promoter, *operator, *terminator, *regulator.

Q: 5. Is the epigenetic regulation of DNA exclusive to the X chromosome? Defend your answer (if yes,…

A: Epigenetic mechanisms :- it control access to the chromosomal region to allow genes to be turned on…

Q: Contrast the traditional classification with the current classification of reptiles and birds.

A: Taxonomy is the branch of science that deals with naming, describing, and classifying various…