Internal validity is important because it determines... If the Hawthorne effect affected the findings Whether study findings are a result of measurement effects Whether the independent variable caused the change in the dependent variable If the study is generalizable to the larger population

Q: 1. Based on the content in lecture and your readings, explain the connection between your microbiome…

A: Bacteria belong to the Prokaryotic domain of life as these are single-celled organisms having very…

Q: List the food and grams carbohydrate: Complex carbohydrate (mostly starch and fiber-rich foods,…

A: Introduction  Macromolecules are large molecules that are made up of smaller subunits called…

Q: Explain the theory of endosymbiosis. Do you think this theory is plausible? Why?

A: Eukaryotic cells are complex cells that contain a membrane-bound nucleus and other membrane-bound…

Q: All cognizant mental activities occur within Olong-term O episodic O working O sensory memory.

A: Cognizant mental activities are memory, learning, and recalling information.  Learning is the…

Q: Step by step Protein Hormone Synthesis

A: Introduction :- Proteins are complex macromolecules made up of amino acids. They are essential to…

Q: Given the mRNA sequence: 5' UAGUUUCAAGU 3', which of the answers below represents the corresponding…

A: The first stage of DNA-based gene expression is transcription, in which a portion (or the whole…

Q: Specify the interconnections among things and explain the idea of heredity.

A: Interconnections:  Genes: *Basic unit of heredity will be the genes. They are the DNA sequences…

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: Compare and contrast at least two reasons cell division is important for unicellular (single-celled)…

A: Introduction  Unicellular organisms are living organisms that consist of only one cell. They are…

Q: Consider a hypothetical beetle population, in which beetle colour varies along a spectrum from light…

A: Selection:  Natural selection is the process by which individuals with advantageous traits are more…

Q: Which of the choices listed below is the correct order of events for the action of lipid-soluble…

A: The question pertains to the mechanism of action of lipid-soluble hormones. Hormones are chemical…

Q: The amino (functional) group is made of nitrogen and hydrogen. True False

A: The term functional group is associated the countless atom combinations that make up chemical…

Q: Binary fission is used in which of the following DNA transfers?   Horizontal Gene Transfer…

A: Binary fission is a type of cell division that is used by prokaryotic organisms, such as bacteria…

Q: How do mosses survive without vascular tissue?

A: Vascular tissue is a specialized tissue present in plants which is responsible for conducting water…

Q: Which type of transporter is available on the cell membrane and tonoplast to move following…

A: Introduction  A transporter, also known as a carrier protein, is a type of transmembrane protein…

Q: This diploid cell undergoes meiosis (chromosomes replicate prior to meiosis). Which of the cells…

A: Cell division is a process where a parent cell divides into two daughter cells.

Q: If a mutation that alters EcoRI site 1 occurs in this piece of DNA, how will the banding pattern on…

A: Answer :  Enzymes made by bacteria called restriction enzymes can break DNA molecules at or close to…

Q: Why can a tourniquet be placed on a leg for hours to prevent bleeding and not induce irreversible…

A: A tourniquet is a device that temporarily stops or restricts blood flow to a particular area of the…

Q: Seeds would be an example of an: I) autapomorphy             II) plesiomorphy             III)…

A: Genetic tree shows the evolutionary relationships between different groups. These relationships are…

Q: Both animal and plants are made up of groups of cells called tissues. What are two structures that…

A: Cells within tissues need to be able to communicate and receive nutrients from their surroundings in…

Q: mutations that alter EcoRI sites 1 and 2 occur in this piece of DNA, how will the banding pattern on…

A: Restriction sites are the locations present in the DNA which are bound by the restriction enzymes to…

Q: f I have a tree basal area (BA) of 1.5ft^2. What is this in diameter at breast height (DBH) inches?…

A: Basal area or (BA) is expressed in square feet and is mainly a measure of the cross-sectional area…

Q: Which is/are the most phylogenetically close to humans based on the tree above? I) lizard     II)…

A: A phylogenetic tree is a diagrammatic illustration which determines how species are closely related…

Q: Alpha helices and beta sheets are characteristic of protein primary structure secondary structure…

A: Introduction  Proteins are macromolecules made up of chains of amino acids. They are involved in…

Q: Construct a pedigree chart that displays the following information:   - Grandparents that do not…

A: Pedigree Chart: A pedigree chart is a graphic that depicts the development and manifestation of…

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

A: This example is of dihybrid cross where two traits are considered at a time. This is also an example…

Q: The parents have the following karyotypes illustrated by two pairs of chromosomes; then, what are…

A: When gametes are formed chromosomes and alleles present on them gets segregated. Gametes are haploid…

Q: Which of the following activities is characteristic of an autonomous toddler? watching another child…

A: Autonomous Action: Autonomous action refers to behavior that is self-directed and driven by one's…

Q: Place the following in the right order from largest to smallest: Molecule, electric, cell, organ,…

A: Introduction  Microbes, short for microorganisms, are tiny living organisms that can only be seen…

Q: QUESTION 3 How could you identify a country that was in the postindustrial stage of demographic…

A: Introduction  Population growth refers to the increase in the number of individuals in a population…

Q: Explain how polyploidy in plants can generate new plant species. Be sure to provide molecular…

A: When an organism has more than two full sets of chromosomes, the condition is called polyploidy. It…

Q: Question 8 Which of the following is NOT evidence that supports the theory of endosymbiosis?…

A: Introduction : Endosymbiosis is defined as the type of relationship in which one organism resides…

Q: Single celled organisms that grow in irregular masses and include molds mildews and yeasts? How…

A: There are several types of fungi that include molds and yeasts. They are eukaryotic organisms and…

Q: Please explain these quotes: 1. Because a woman is born with all her eggs, environmental teratogens…

A: 1. Teratogens are environmental factors that are responsible for causing congenital birth defects in…

Q: Would a plant be able to survive with either PSI or PSII, but not the other? Or are both required?…

A: Photosystems• Non-cyclic photophosphorylation Involves two sets of pigments:- Photosystem 1…

Q: Can plants survive without the Calvin Cycle?

A: Introduction  Cellular respiration is the process by which living cells break down organic molecules…

Q: the primary function of mitchondria is  a. formation of proteins b. making ATP c. burning ATP to…

A: Introduction  Mitochondria are membrane-bound organelles found in most eukaryotic cells, including…

Q: The following lists represent genotypes at imaginary genetic loci. In each case there may be one or…

A: Genotype refers to the genetic makeup of an individual, or the specific set of genes an individual…

Q: 5. Mitochondria are responsible for converting sugar (food energy) into ATP (cellular energy). They…

A: Introduction  Mitochondria are membrane-bound organelles found in the cytoplasm of eukaryotic cells.…

Q: How can deletion experiments within gene sequences help identify important DNA sequences for the…

A: DNA:  DNA (Deoxyribonucleic Acid) is a molecule that carries genetic information in most living…

Q: Each box shows a different type of meiosis in yeast, characterized by the crossovers that occur…

A: Meiosis:  In sexually reproducing organisms, meiosis is a unique type of cell division of germ cells…

Q: Why research on slime molds are timel

A: Slime Molds: Slime molds are a type of organism that is part of the kingdom Protista. They are…

Q: 5. It is Sunday morning and you decide to go out for a run. You notice that you are sweating quite…

A: glands, are organs in the body that produce and secrete substances such as hormones, enzymes, and…

Q: True or False. Explain. A) At no time during protein synthesis does an amino acid make direct…

A: Nucleic acid is a type of macromolecule present inside the nucleus of cell which is involved in…

Q: Explain how speciation occurs and provide some examples.

A: Introduction  Speciation is the process by which new species arise from existing ones. This occurs…

Q: Recall the power law equation Y = aXb. Which of the following statements is true? :   a) a = 0.34…

A: Introduction :- Poikilothermic organisms are organisms that do not have a constant internal body…

Q: An enzyme reversibly binds a substrate. The rate constant (kcat) for catalytic conversion of enzyme-…

A: The enzymes are the proteins involved in increasing the rate of the reaction by acting as a catalyst…

Q: the same Protein X was purified from tissue source A and tissue source B, yielding the following…

A: Introduction  Proteins are large biomolecules that play critical roles in almost all cellular…

Q: Match each cell organelle with its description or function. Each answer may only be used once. >…

A: Introduction A cell is the basic unit of life, and it is the smallest entity that can perform all…

Q: cell membranes is greater than the ease which a lipid diffuses accross the cell membrane true or…

A: The plasma membrane or the cell membrane is the extra layer covering the cell-protecting the cell…

Intelligence

Intelligence refers to the intellectual functioning that compares a person's intelligence quotient (IQ) with other people of the same age. In other words, it is the ability to understand circumstances or situations and arrive at appropriate solutions. Both animals and plants exhibit intelligence.