An infant says "Mama" and "Dada" when seeing their parents. What type of language is this infant using? overextension holophrases babbling underextension

Q: Question 7: A. Calculate how to make 10 ml of a 7.5% methylene blue stock solution (from solid…

A: The process of making a solution involves dissolving a solute in a solvent to achieve a particular…

Q: 56. How do sterols help maintain the fluidity of a membrane? Give an example.

A: Introduction :- Sterols are a class of lipids that are characterized by a four-ring structure. They…

Q: Discuss the role adhesion proteins play in the formation of the neural system, neural crest cells,…

A: Introduction: During embryonic development, the formation of the neural system is a complex process…

Q: Explain how meiosis causes genetic variation in the gametes.

A: Introduction  Meiosis is a specialized type of cell division that occurs in the reproductive cells…

Q: A farmer is evaluating four methods of preventing farm runoff from reaching the nearby streams and…

A: Introduction Agricultural runoff can have negative impacts on nearby streams and rivers, causing…

Q: Explain how cytology can help in the diagnosis of diseases

A: Introduction-Diagnostic cytology is the microscopic study of cells for the purpose of diagnosing…

Q: Compare and contrast the morphology of the tissue slides of tonsils and the infant thymus. (i)…

A: Introduction :- Tonsils are a group of lymphoid tissues located in the back of the throat, at the…

Q: Some bacteria produce the enzyme penicillinase, which breaks the beta-lactam ring in the penicillin…

A: Antimicrobial resistance occurs when germs such as bacteria or fungi cease to respond to drugs…

Q: Where are the gametes and spores produced in a liverwort?

A: Introduction  Gametes are specialized reproductive cells that are responsible for sexual…

Q: If antibody responses are not elicited by a Covid-19 vaccine, are there other types of immune…

A: SARS-CoV-2 is a virus responsible for the COVID-19 pandemic that first emerged in Wuhan, China in…

Q: An infant watches a dog run back and forth in the park. When the dog chases a squirrel behind a…

A: Object permanence is the understanding that objects continue to exist even when they are out of…

Q: Cushing’s disease and Cushing’s syndrome both result in an excess amount of cortisol in the body,…

A: Both Cushing's disease and Cushing's syndrome can cause excess production of cortisol in the body,…

Q: For an autoimmune disease to occur, lymphocytes do not learn how to recognize foreign pathogens as…

A: The immune system of the body is responsible in providing the strength to the body to fight as well…

Q: You have a mixture of 4 amino acids (Q, W, E, R, T) that you want to separate using ion exchange…

A: Introduction :- Amino acids are the building blocks of proteins. They are organic compounds…

Q: In the same oak leaf that absorbed 15,440 photons, how many CO2 molecules are fixed to produce the…

A: Introduction  Photosynthesis is the process by which green plants, algae, and some bacteria convert…

Q: 1-purpose of Acid-Fast Method. 2-brief explanation of positive and negative results. 3-Predicted…

A: Staphylococcus epidermidis is a gram-positive, non-motile, non-spore-forming bacteria commonly found…

Q: Photosynthesis requires ATP to produce glucose. Why do plants spend ATP to produce glucose if they…

A: Cell is a fundamental structure in which various metabolic activities are performed.  Cell comprises…

Q: How do you measure the ethanol production by fungus using HPLC?

A: HPLC stands for high-performance liquid chromatography. They are used to analyze both volatile and…

Q: How were bacterial promoters first identified?  Discuss their placement within the gene and roles in…

A: Introduction :- The holoenzyme is a large molecular complex composed of RNA polymerase and…

Q: Which of the following in not an extension of Mendel's A. Codominance B. Polygonic traits C.…

A: Mendel is called the "father of genetics". In order to explain the underlying principles of Genetics…

Q: Acidic environments slow the growth of or destroy some pathogens. Which locations in the body use…

A: Introduction The human body has several defense mechanisms to protect itself against harmful…

Q: 3. Fill in the blanks to complete the concept map for the process of translation. amino acids are…

A: INTRODUCTION Translation This is the process of production of protein using information coded on…

Q: Bacteria can make polyribosomes (polysomes) which help them produce a large amount of proteins…

A: Bacteria are unicellular microorganisms that are found in a wide range of environments, including…

Q: Can the tertiary structure of a protein depend on the type of cell system used for synthesis?…

A: Introduction :- The tertiary structure of a protein is primarily determined by the protein's amino…

Q: When is an epithelial membrane termed as a covering epithelium? A lining epithelium?

A: Epithelial membranes are specialized tissues that line and cover a variety of body structures. They…

Q: The endomembrane system includes the plasma membrane, nucleus, endoplasmic reticulum, vesicles, and…

A: The endomembrane system is a network of membrane-bound organelles that work together to modify,…

Q: Oxidative deamination of adenine produces hypoxanthine (the base of inosine), which can base pair…

A: Answer : Oxidative mutation is one of the types of mutation, in which adenine undergoes deamination…

Q: 24.) Based on the tree on the right, which statement is not correct? a) The salamander lineage is a…

A: Salamandar: The salamander family of amphibians is known for having slender bodies, blunt snouts,…

Q: Rank the chemicals & exaplain your reasoning

A: The chemicals present are Hydrogen, Carbon, Chlorine, Sodium, Vitamins and Calcium.

Q: 2. Which process—diffusion, osmosis, or filtration is utilized in the following situations? Explain…

A: Introduction  Cell transport refers to the movement of molecules or ions across the cellular…

Q: Phylogenetic trees are constructed based on parsimony the idea that the simplest answer is the misy…

A: Phylogenetic Tree Construction. Phylogenetic trees are diagrams that depict evolutionary…

Q: Which type(s) of organism/s does not produce enzymes needed to breakdown toxic forms of oxygen?…

A: Reactive oxygen species is a type of unstable compound that contains oxygen in them and these are…

Q: For a DNA sequence 5'-CTAAGCCGGAT-3', what is the complementary DNA sequence?   Question 6…

A: DNA or Deoxyribonucleic acid serves as the hereditary material of almost all living entities (some…

Q: When a leaf on an oak tree absorbs 15,440 photons, how many glyceraldehyde-3-phosphate molecules can…

A: A tree or shrub in the genus Quercus of the Fagaceae family of beech is known as an oak. The number…

Q: Match the definition or function to the plant structure. Bulb Basal stem Tunic Scales Flower bud…

A: Introduction :  The primary reproductive organ of the plant is the flower. It has four whorls. Calyx…

Q: There is a photo of moss growing on the pavement of my driveway. How is moss able to grow like that,…

A: Introduction Mosses are a group of small, non-vascular plants that belong to the division Bryophyta.…

Q: What did Pasteur's results show? ► View Available Hint(s) When growth medium is not contaminated by…

A: Introduction  Louis Pasteur is known for his contributions to microbiology, including his…

Q: When do scientists use the Hardy Weinberg Equation? After all, the conditions are never r met in the…

A: The Hardy-Weinberg principle is an important concept in population genetics. It states that, in the…

Q: Which of the following statements best describes DNA and RNA? a. Both are found in chromosomes b.…

A: Introduction :- RNA stands for Ribonucleic acid. It is a nucleic acid that plays a crucial role in…

Q: The structural component of the nuclear por e that acts as a barrier to prevent the large passage of…

A: Introduction  The nuclear pore is a specialized protein complex that is found in the nuclear…

Q: Labrador retrievers have 3 varieties of fur colour: yellow, chocolate or black. Two genes are…

A: A trait is a characteristic feature that is unique to specific individual. Each trait is represented…

Q: Does physical activity increase or decrease the risk of bone and joint disease? Please explain and…

A: Introduction Bones are rigid organs that make up the skeletal system of the human body. They provide…

Q: Given what you know about hymenopterans (bees and ants) how genetically related are two half sisters…

A: Hymenoptera is a large and diverse order of insects that includes bees, wasps, ants, and sawflies.…

Q: The microsporidian, Brachiola gambiae, parasitizes the mosquito, Anopheles gambiae. Adult female…

A: Brachiola gambiae is a microsporidian parasite that affects the mosquito Anopheles gambiae, which…

Q: Draw and label the parts of the animal cell. Determine the biomolecules present in different parts…

A: Introduction  A cell is the basic unit of life and is the smallest unit of an organism that can…

Q: What membrane component is represented by A in the diagram? a) cholesterol b) lipid bilayer Oc)…

A: Plasma membrane is the outermost envelope like structure which surrounds the cell and organelles.…

Q: Part 1 With use of Punnett diagrams discuss how the results of experiments carried out by Austrian…

A: Mendelian genetics refers to the fundamental principles of inheritance first described by Gregor…

Q: Background Information: Sarah was born at 39 weeks gestation. Her parents reported typical prenatal…

A: Introduction:- Gestation refers to the period of time during which a baby develops inside the…

Q: How would a PCR reaction be affected if there are no primers in the reaction? a. The PCR reaction…

A: PCR: Through the use of the widely utilised polymerase chain reaction, scientists may quickly create…

Q: Drag each drosophila genotype to appropriate box

A: