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Q: Which one of the following answer choices shows the correct pairing of complementary nitrogenous bas...

A: The purine bases are adenine and guanine while the pyrimidine bases are thymine and cytosine. Purine...

Q: Since human activities taking place in lapalala river near the river,what kind of impact does in aff...

A: The Palala or Lephalala river is a river in South Africa whose catchment basin is a sub watershed of...

Q: Warning pain is carried by ______________ nerve fibers.

A: Warning pain also called fast pain is the pain that know body very quickly after the damage is occur...

Q: 17. what vegetative organ of the plants contains lamina and stipules a. leaves b. roots c. flower...

A: Leaf structure consists of lamina and stipule. Hence, the answer to question 1 is (A) Leaves  

Q: An antibody binds to a virus with a large surface area of interaction. Sketch the Gibbs-Helmholtz cu...

A: Antigen-antibody reaction is the basis of humoral immunity or antibody mediated immune response. The...

Q: Arrange in chronological order the evidence that life transitioned from aquatic environments to aqua...

A: Introduction In contrast to land-based terrestrial ecosystems, an aquatic ecosystem is one that exis...

Q: How Does Climate Change Affect Biodiversity?

A: For a long time, climate change and biodiversity have been connected. Although the climate has alway...

Q: Contrast the reductionist approach with systems biology. How are the two approaches complementary? W...

A: Biology is the scientific study of life it is also called as natural sciences it is the combine prod...

Q: Which of these functional groups is involved in the building of a nucleic acid polymer from a nucleo...

A: A functional group is a group of atoms in a molecule with distinctive chemical properties, regardles...

Q: Role of turgor pressure

A: INTRODUCTION     Turgor pressure may inhibit the growth of plant to indicate the cell volume expansi...

Q: The diagram shown represents the coding strand of the myosin gene. Mutations in myosin can lead to m...

A: Here there can be 2 cases of mutation. First one where the stop codon has mutated to another stop co...

Q: Explain why a phospholipid is both hydrophilic and hydrophobic

A: A cell's protection is provided by the plasma membrane, also known as the cell membrane. Inside the ...

Q: A polydactylous, normal-visioned, brown-eyed man with wavy hair has a nonpolydactylous, blue-eyed mo...

A: Introduction :- Astigmatism is a disorder in which your eye, particularly your cornea (the clear fro...

Q: Imagine you are looking at a sample of organisms from pond water . You see a single celled organism ...

A: Eukaryotic cells differ from prokaryotic cells in presence of a membrane-bound nucleus. While plants...

Q: cells in the region of the cell division divide at the base of the a. meristem b. pericycle c. ep...

A: Introduction Cell division is the process through which a cell, known as the parent cell, divides in...

Q: a) Describe the primary roles of microbes in protecting and stabilizing body surface. (b) Discuss ho...

A: With the growth of Human beings;the microbes composition in a human body have adapted to maintain co...

Q: a. What specific type of tissue is shown (in the whole picture)? b. Identify the structure at the po...

A: The epithelium is a type of body tissue that covers all of your internal and external body surfaces,...

Q: How is a protein with a proper sequence generated?

A: Amino acids are biomolecules that are comprised of two functional groups, these are an amino group (...

Q: You are investigating gene interaction in guinea pigs. When you cross two heterozygous wild type bla...

A: In pleiotropy: single gene control more than one type of trait. That is single mutation or gene /all...

Q: Daisy inherits a mutation from her mother that results in the phenotype of red hair. Evegny acquires...

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

Q: How are virus similar to and different from cells?

A: All viruses have genetic material (a genome) made of nucleic acid. , like all other cell-based life,...

Q: I wanted to know where in the concepts of genetics 12th edition book can I find the answer to my que...

A: The genetic code is a set of laws that define how DNA's four-letter code is converted into amino aci...

Q: Using examples, describe the four levels of protein structure.

A: Proteins are polymers – specifically polypeptides – made up of amino acid sequences, which are the p...

Q: Having freckles is a dominant trait in humans. A girl has freckles, but her brother does not. What g...

A: Correct option is D) FF and ff

Q: What are the basic rhythms of sleep?

A: Biological rhythm is an expression regularly utilized conversely with circadian rhythm. These rhythm...

Q: Which two of the components of DNA form the backbones of the DNA molecule? (Choose the one correct a...

A: The DNA or deoxyribonucleic acid is a double stranded nucleic acid, composed of nucleotides. It is p...

Q: Illustrate and label the parts of Electron Transport Chain and Chemiosmosis.

A: Introduction: Respiration is a metabolic process that occurs in all organisms. It is a biochemical p...

Q: d. casparian strips 39. which rarely found in stems but universal in most roots a. passage cells ...

A: Introduction :- A vascular plant's stem is one of two primary structural axes, the other being the r...

Q: What are the reasons for finding Gram-positive organisms on a MacConkey agar plate?

A: Gram staining is a technique for distinguishing between Gram-positive and Gram-negative bacteria bas...

Q: Mutations in myosin

A: myosin is a motor protein most notably involved in muscle contraction.  Small genetic mutations in t...

Q: Explain each division of Meiosis 2 1. prophase 2 2. metaphase 2 3. anaphase 2 4. telophase 2

A: Meiosis is a term which is given by the Farmer and Moore.In this type of cell division;the number of...

Q: 37.    what tissue of parenchyma cells located between the epidermis and inner tissues store food a....

A: 37) Option (d) is correct answer. - Cortex. Cortex is the region where food storage occurs and espec...

Q: G. Aureliano has a mutation in the blue-shaded nucleotide in the TEMPLATE DNA sequence. Instead of a...

A: Introduction :- A mutation is a change in our DNA sequence that happens as a result of errors in DNA...

Q: 15.    plant cells undergo plasmolysis when they lose water a.    true b.    false 16.    which vege...

A: Water moves from higher concentration to lower concentration.  Plasmolysis is the process of movemen...

Q: The function of glycogen in the body is long-term energy storage. Explain in detail how the chemjmic...

A: Glycogen is a polysaccharide that serves as a form of stored energy in animals as well as fungi. Gly...

Q: What best describes frogs in terms of development

A: Frogs belong to the phylum Chordata and class amphibians. All amphibians are bilaterally symmetrical...

Q: A plant bending its stem to grow toward a light source is an example of what

A: A plant is a living organism with a stem, leaves, and roots that grows in the ground. Each plant sho...

Q: Complete culture medium is made of Select one: a. DMEM, 10% fetal bovine serum and 1% antibiotics/an...

A: Culture media  Culture media  are specific mixtures of nutrients and other substances that are requi...

Q: What is the probability that a baby will be black? What is the probability that a baby will be brown...

A: Heterozygous Monohybrid Cross: -   B b B BB Bb b Bb bb    

Q: Match the following "jobs" to the cytoskeletal fiber that makes it happen. ameboid movement (cell cr...

A: The cytoskeleton is unique to eukaryotic cells, and the primary types of fibres comprising the cytos...

Q: A plant was exposed to a light source that only faced one side of the plant. The shaded side of the ...

A: This method also we known as Photosynthesis. Photosynthesis is most important to all lifecycle on ea...

Q: Compare and contrast the structures of a solid-food-specialized insect digestive tract with one modi...

A:  Solid food digestive tracts are more complex and structurally advanced than liquid digestive tracts...

Q: 13) What happens to the 3-D shape of enzymes when they are NOT in their optimal pH range?

A: Each enzyme has a characteristic pH value at which it catalyzes its reaction with the fastest rate a...

Q: Describe the structure of carbohydrates and explain their rolesin cells.

A:

Q: bivales venus and mytilus

A: Bivalves, which belong to the phylum Mollusca and the class Bivalvia, have two hard, usually bowl-sh...

Q: a) How does Venetoclax, a BH3 mimetic, function in increasing cellular death? In your answer make su...

A: Venetoclax attaches to a protein called Bcl-2. This protein is present in high amounts in CLL cancer...

Q: Q The outer layer of the cell walls of yeast often contains polysaccharides called mannans. The prec...

A: We know that polysaccharides are found every here .They are also called glycans. Mannan is polysacch...

Q: Which of the mutations shown will affect the amino acid sequence of the myosin protein?

A: Myosin is a major component of heart and skeletal muscle, and plays a key role in muscle contractili...

Q: What are the precautionary measures to be observed before, during, and after applying the aseptic cu...

A: Aseptic culture technique  It refers to a procedure/method used in laboratories or clinical setting...

Q: The five photographs below were taken at various stages through the process of mitosis in a plant ce...

A: 1) late anaphase   2) early prophase  3) metaphase

Wound infections

A wound is damaged or breaks in the surface of the skin. The wound is divided into two types, they are acute wound that includes minor cuts, laceration, bites, etc, and chronic wounds that can become slow to heal including ulcers on the legs and feet. Redness, pain, and swelling are signs of a wound.