Q: Science and Technology help us improve a better life by?
A: Science and technology is a multidisciplinary topic that includes both science and technology as wel...
Q: 1. What is the purpose of dichotomous key? 2. Why is this key called dichotomous key?
A: Taxonomy can be defined as a branch of science which deals with the practices of classification.It b...
Q: telophase
A: The cell cycle of the cell , consist of two phases ( Interphase and the Mitotic or M-phase ) .
Q: How do you describe your discovery of your sexuality, your sense of being male or female?
A: Sexuality is a vast topic that is also quite personal. It's about comprehending our sexual feelings ...
Q: In a typical eukaryotic plasma membrane, _____. A. lipids can move and diffuse through the bilayer B...
A: The plasma membrane, also known as the cell membrane, is a membrane found in all cells that separate...
Q: describe the 3 main players in the GTPase cycle (GTPase, GAP, GEF)
A: Nucleic acid is a molecule that carries the information of the cell and expresses that information d...
Q: The short DNA shown below is to be sequenced. Using your knowledge of how the Sanger method works, i...
A: This scenario based on DNA sequencing. DNA sequencing is the process of determining the order of nuc...
Q: Consulting Table 4.1, determine the length and the nature (59 or 39) of the overhang (if any) create...
A: Restriction endonucleases are enzymes utilized in domain of genetic engineering for various purposes...
Q: What is the setting for the refrigerator in storing culture media? Rationalize.
A: INTRODUCTION The setting for the refrigerator in storing culture media is given below.
Q: Describe three key amniote adaptations for life on land.
A: The amniotic egg provides protection to the embryo and allow it to develop on land, eliminating a wa...
Q: Differentiate between: Producers and consumers Omnivores and decomposers
A: Introduction :- An omnivore is a creature that consumes both plants and animals. Omnivores are an ex...
Q: Elucidate the potential reasons why there were changes in the bone structure of the vertebral column...
A: The central axis of the skeleton in all vertebrates is the vertebral column, also known as the spina...
Q: 4. When 2 people use the same dichotomous key to identify the same specimens, is it possible for the...
A: Introduction:- A dichotomous key is a method of identification whereby groups of organisms are divid...
Q: 5. To figure out the initial concentration of a bacterial culture, you made an 8 fold dilution of th...
A: Dilution Factor: The dilution ratio is the ratio of solute to solvent in chemistry and biology. Sim...
Q: 1. Describe what is happening in figures 1-3. 1 2 o. Is the population of mice different in figure 3...
A: Directional selection is a type of an natural selection.
Q: 1. In Coleus, the somatic cells are diploid. Having 24 chromosomes. How many of each of the followin...
A: As per the bartleby guidelines only 3 subparts are allowed to answer, please post other questions se...
Q: Match the Term with the appropriate definition. 1: Genome 2: Karyotype 3: Homozygous 4: Heterozygous...
A: A karyotype is a preparation of an entire set of chromosomes. It determines the size, shape, and num...
Q: A medium containing an abundance of substrate was seeded with 20 mg/L VSS of an active mixed culture...
A: Time taken to double bacterial population is called as generation time.
Q: The analysis of urea in the urine sample is what type of analysis? O Complete analysis O Proximate a...
A: Proximate analysis is a quantitative analysis in which the characteristics of macromolecules in samp...
Q: In humans, the four blood types A, B, O, and AB are determined by three alleles IA, IB, and i. Writ...
A: There are four blood types in humans, are A, B, O, and AB blood type and are determined by three all...
Q: Make a cladogram
A: Introduction: A cladogram is a diagrammatic representation that depicts the relationship between dif...
Q: Differential gene expression describes how... (Choose the answer the best illustrates the definition...
A: The expression of genes in for transcription that is the production of RNA from DNA. After the RNA p...
Q: Label the following: Root / Sporophyte / Antheridium / Archegonium
A: Answer : In case of non flowering plants, Antheridium is the haploid structure producing male gamete...
Q: 2. a. In the following diagram of a portion of a protein, label the types of interactions that are s...
A: The complete structure of protein can be described at four different levels of complexity - Primar...
Q: Explain the role of isotype exclusion in pro-B cells.
A: Introduction:- In a given lymphocyte, either κ or λ light (L) chain, but not both, can combine with ...
Q: Restate Liebig’s Law of Minimum to include conditions/ factors in these present times. Explain your ...
A: Liebig's Law of the Minimum states that yield is proportional to the amount of the most limiting nut...
Q: An ecosystem has an average of 50 cm of rain per year. Look at the rainfall g of lower than average ...
A: Biotic factors - Biotic factors are living components or variables that influence an ecosystem or th...
Q: Some ________ use group translocation as a means of transport.
A: Microbes are little living things that are tracked down surrounding us and are too little to even co...
Q: Why do you think tuberculosis is still a relevant and fast- growing disease in the whole wide world?
A: Tuberculosis is a major problem in the world's poorest countries. There is growing resistance to ant...
Q: Gene A and B are 500,000 bp apart - the genes are either side of a recombination hot spot. Gene C an...
A: * Recombination hot spots are the regions of genome where it can undergoes recombination in higher ...
Q: Discuss reasons why population numbers would be important and how this data could be used to manage ...
A: Increased numbers of a particular species can affect the balance of ecosystem , as the increasing po...
Q: Activity 2.2: The Hormonal Actions During Menstrual Cycle Directions: Complete the flow chart by cho...
A: Introduction :- Menstruation is the monthly shedding of a woman's uterine lining (more commonly know...
Q: True OR False The DNA in the nucleus replicates before mitosis begins.
A: For the proper growth as well as development of an organism , cell division play a vital role . So ,...
Q: Eosinophilic (31 %) 10 (11 %) Neutrophilic (29 %) Highly Atopic :(25 %) (4 %) FIG 1. Asthma sputum p...
A: Background Stratification by the eosinophil and the neutrophil counts increases one's understanding ...
Q: mtDNA is Select one: a. Double stranded linear DNA molecules b. Single stranded circular DNA molecul...
A: Introduction :- Mitochondrial DNA (mtDNA) has a number of unique characteristics, such as a high cop...
Q: Activity 4: Enhancement 1. Write a comprehensive explanation about how the species of finches, that ...
A: Charles Darwin collected several types of finches that show variation in their beaks . These finches...
Q: Complete the table describing the impact on each of the sectors from an increase in population size....
A: sssssssssssssssssssssssssssssssssssssssssssssss sssssssssssssssssssssssssss System Effect on...
Q: aturalist visiting an island in the middle of a large lake observes a species of small bird with thr...
A: Genetics is the scientific study of genes and heredity—of how certain qualities or traits are passed...
Q: Which best describe the HIV REV protein? Code for proteins necessary for synthesis of the viral cap...
A: HIV REV Protein: Rev is a transactivating protein required for HIV-1 (and other lentiviral) protein...
Q: What are the half-circle rotations of a chromosomal region?
A: Chromosomes emerge as thread-like structures inside the nucleus during cell division. Deoxyribonucle...
Q: What is the most significant safety rule in a laboratory? Explain?
A: Introduction :- In contrast to the field or factory, a laboratory is a place where scientific resear...
Q: Deforestation threatens the tropical rainforests of Southeast Asia due to... O a. building factories...
A: The term deforestation is associated with the removal of forest regions for several human purposes. ...
Q: Based on your observations of microorganisms in their living state, which between the wet mount meth...
A: the hanging drop method is better because it allow for longer time visualisation .
Q: How would you test an ecological hypothesis about endangerment of animals due to deforestation
A: Ecological factors associated with wild animals are harsher climate, temperature, luminance, moonlig...
Q: In an aqueous environment, carrying a charge.
A: In aqueous environment, Amine is a cation carrying a charge. In aqueous environment,
Q: What effect does a pacemaker potential have on a smooth muscle cell?
A: Pacemaker cells, which are specialised cardiac muscle cells that directly control heart rate, regula...
Q: The pair of cats produce in their first litter together the following kittens: 3 tortoiseshell sh...
A: In genetics the genes are the hereditary unit of life. The genes performs the inheritance functions ...
Q: Label the following examples as metacognitive knowledge, monitoring, or control. a. You set aside ad...
A: The term metacognition is associated with a process that involves awareness about an individual’s ow...
Q: 3. After 12 days of starvation, a man reduced his weight by 4 kg. The doctor prescribed him biochemi...
A: Introduction: Starvation is defined as a severe deficiency in calorie energy intake needed to mainta...
Q: The main goal of fermentation is to regenerate NAD+ to sustain ATP production by glycolysis. O True ...
A: Purpose of fermentation is to regenerate NAD+ , so glycolysis can continue to happen. Fermentation...
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