How is it possible for light to change genetic material? Include evidence from the Sim in your answer and use the vocabulary terms light, energy, and absorb.

Q: Which are two ways of controlling protein activity?

A: Proteins are the polymers of amino acids. Proteins serve as hormones, ligands, signalling molecules,…

Q: 30. Mitotic chromosomes are A) 103 B) 104 105 D) 108 times more compact than a DNA molecule in its…

A: Mitotic chromosomes -  The chromosomes into which genome is packaged to ensure its accurate…

Q: In the learning process of biochemistry, we find that many biomolecules have helical structure.…

A: Introduction Proteins are biomolecules composed of monomer units called amino acids that are…

Q: essential part of our diet

A: Nutrition: The biochemical and physiological process by which an organism uses the food to support…

Q: 15. In order to function, all extracellular signal molecules must be transported by their receptor…

A: Through cell surface receptors that regulate intracellular signalling proteins, an extracellular…

Q: What extinction event occurred about 200 mya? What animal groups were most affected by this event?

A: Introduction: Life started on earth around 3.4 billion years ago, in the ocean. The primitive…

Q: Mary wanted to know the amount of microbes in her garden. To do this, she took a 10g soil sample,…

A: Serial dilution is a process done to reduce the microbial count in the sample. This is specifically…

Q: Which depends upon two factors of the percent saturation of a binding site?

A: A ligand is a molecule that binds to the binding site on the receptor or signalling molecule. The…

Q: Cyclic changes of epithelium were found in histological examination of smears from the vagina of…

A: Epithelial tissue is classified into simple epithelium (single layered)and compound epithelium…

Q: Fruit thinning (i) describing fruit thinning in orchards, including why thinning is undertaken (ii)…

A: Tree fruit thinning is a crucial step for increased fruit size and yearly yield. To make your…

Q: 7. We can estimate the relative mobility of a population of molecules along the surface of a living…

A: D) FRAP (Fluorescence Recovery After Photobleaching) is a technique used to study the mobility of…

Q: (39) A 55- year old man begins taking phenytoin a seizure disorder that devel;oped following…

A: Phenytoin is a uses for control of such disease like seizure (convulsions) , psychometer in…

Q: What use is half a wing or the rudiment of a feather for a flying bird?

A: Introduction Life originated on earth around 3.4 billion years ago in the ocean. However, it was…

Q: 3. Antibodies are valuable tools for immunological detection. Two types of antibodies are commonly…

A: Antibodies are "immune system proteins that identify and attach to certain substances known as…

Q: Describe the principle of CT scanning. Explain how coronal, sagittal and transverse images are…

A: Through computer processing, cross-sectional pictures (slices) of the bones, blood arteries, and…

Q: How the cellular machinery synthesizes and processes proteins?

A: Proteins are the polymers of amino acids and are formed on the ribosomes. The amino acids are linked…

Q: 24. True or false?  Prior to calculating cumulative incidence, prevalent cases should be removed…

A: A measure of incidence is the frequency of new cases of a disease (or some other consequence) over a…

Q: 25. Which one of the following is not true about chaotic population dynamics? a. Chaotic dynamics is…

A: The population stabilises pretty quickly at low growth rates. The population oscillates chaotically…

Q: What is the structure of a Fungal DNA?

A: Genetic material is the information that living organisms use to run their bodily system…

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

A: Excessive CO2 concentrations can be dangerous to people. Over 5% of CO2 in the air might result in…

Q: 2. Sam is an immunologist who has designed a DNA vaccine for COVID-19. The vaccine has just entered…

A: In order to elicit an immune response, a DNA vaccine works by transfecting a particular…

Q: How can it be beneficial for males to produce very large numbers of very small sperm?

A: In anisogamous form of sexual reproduction, sperm is the male reproductive cell, or gamete. Animals…

Q: Identify the grade of the milk samples Maximum of 5 sentences. Milk Sample Initial Color A В Blue…

A: Milk is one of the greatest growing mediums for microorganisms. Pasteurized milk and raw milk both…

Q: Why is marijuana illegal? in the Philippines

A: Introduction Marijuana  ( cannabis) is a psychoactive drug it is obtained from the cannabis sativa…

Q: Viruses cannot reproduce unless they are inside another living cell. True O False

A: Viruses are parasites that require hosts for life processes. They lack specific machinery and cannot…

Q: Give two applications of thermal and optical properties (one each) to postharvesthandling of crops.

A: Post harvesting handling is the stage of crop production immediately following harvest, that…

Q: 1. Teresa is a 4-month old girl who suffers from acute heart failure. She urgently needs a cadaver…

A: When a child's heart is unhealthy and they won't survive without a new one, transplants are…

Q: The figure below depicts the mechanism of iron homeostasis in mammalian cells, in which ferritin is…

A: There are two different levels of regulation for human iron homeostasis. The cells that line the…

Q: Which of the following statements is/are TRUE about mutation? 1. Transversion occurs when a…

A: Mutation can be defined as a heritable change in the genetic material of an organism. Mutations are…

Q: Explain the difference between how Roe v. Wade and Planned Parenthood v. Casey understood the…

A: Roe v. Wade and Planned Parenthood v  Casey were two landmark cases in the Supreme Court of the…

Q: 5. Which of the following membrane lipids does not contain fatty acid tails? Explain what the…

A: Lipids are biomolecules made up of carbon, hydrogen, and little oxygen. They are composed of either…

Q: Create a concept map,(not a drawing) that connects the three systems (digestive, circulatory, and…

A: The human body just like many other complex organisms has many organs and organ systems that carry…

Q: What is SRM in the context of scientific investigation? WHAT ARE THE STEPS INVOLVED IN THE SRM…

A: Protocols outline the steps that should be followed in conducting the research, and following them…

Q: Explain three types of scientific models. What is one benefit and one disadvantage of each?

A: DEFINITION A scientific model is a physical representation of a phenomenon. Scientists, educators,…

Q: 9. Which of the following statements about influenza A virus is not correct? A. They have…

A: Influenza a virus can cause life threatening complications.

Q: Discuss the importance of determining the mechanical properties of crops. Cite examples

A: Mechanical characteristics are those that have an impact on how agricultural material responds to…

Q: Brain and spinal cord are two vital organs of our body. How is our body designed to protect them?

A: The spinal cord is a vital organ in the human body. It serves as a pathway for communication between…

Q: Create a concept map,(not a drawing) that connects the digestive, circulatory, and respiratory…

A: The Digestive, circulatory and the respiratory system is interlinked for the functioning of the…

Q: Tagosodes orizicolus 2.Atta cephalotes 3.Gryllotalpa spp.

A: Insects play a major  role in agriculture as they provide nutrients and maintain the fertility of…

Q: 18. The following is correct regarding calmodulin: A) It is a widespread calcium-responsive protein.…

A: Calmodulin It is a small, highly conserved intermediary protein. It constitutes about 148 amino…

Q: Explain the Regulation of Binding Site Characteristics?

A: A binding site is a location on a macro molecule, like a protein, that specifically attaches to…

Q: describe how the conformation of a protein is determined by the sequence of the various amino acids…

A: Protein folding is the processing of the newly formed polypeptide chain into a confirmation that is…

Q: Joseph, being a know-it-all, told Mary that her method would not include all microbes. To…

A: Joseph and Mary had a disagreement about the effectiveness of Mary's method for counting microbes in…

Q: What would happen to a single-celled life form if the information handed down to offspring was…

A: The flow of information takes place from parents to their offspring. The information is transferred…

Q: Which of the following cell types can directly regulate B cell activation and differentiation? 單選:…

A: The stimulation of the Th1 clones with immobilised anti-CD3 mAb greatly boosted the proliferation of…

Q: 1 Foundations Cell Molec The first 17 amino acyl residues in human preproinsulin are…

A: Colinearity simply refers to the relationship between the length of a DNA sequence in a gene and the…

Q: Although reconstructing the history of life in this manner may seem almost impossible, phylogenetic…

A: Systematics uses various data and methods to classify organisms. This information is used to…

Q: How long ago did species begin to move from water to land? What period was this?

A: The Paleozoic era began with the Cambrian period 542 mya. It was the age of marine invertebrates.

Q: Triglyceride is an important energy reserve material for human body. When sugar supply is…

A: The two processes are superficially the reverse of one another. There are, however, several…

Q: Which are the Three binding sites with the same chemical specificity but different affinities for a…

A: Specificity is defined as the uniqueness of a particular subject. There are various types of…