Use the information in the tables below to determine the most probable number of bacteria per 100 mL in each sample.

Q: polytomy of three taxa indicates three descendants evolved from their immediate common ancestor.…

A: Common ancestor is the organism through which descendants arise. All the descendants evolved from…

Q: burger is initially contaminated with 100 cells of bacteria.  To solve: How many cells will there…

A: Introduction Bacteria are prokaryotic, unicellular organisms. Bacteria belongs to the Kingdom…

Q: The gene for tall is dominant over dwarf in the garden pea plant. If a heterozygous tall plant is…

A: Alleles are the alternative forms of a gene that are located on the same locus of a homologous…

Q: Objective: using the outcome of genetic crosses, determine whether a mutations that cause the same…

A: Given  All three are mutants  Cross of 1 and 2 = complement  Cross of one and 3 = non complement

Q: Between Ithaca and Geneva, NY at the old Seneca Army Depot is a herd of white tailed deer…

A:

Q: 7. show In humans, the allele for blood type A and the allele for blood type B co-dominance. A…

A: Introduction  A and B blood types are the dominant variants of the blood types. For this reason, one…

Q: Discuss the importance of determining the physical characteristics/properties of citrus and onion

A: introduction: 1)Citrus; Swingle (1943) devided the genus citrus into three independent genra:…

Q: Cnidarians do not have mesoderm. Discuss the costs and benefits of this condition, especially with…

A: Explanation: Cnidarians do not have a mesoderm layer in their bodies. Because of this state, the…

Q: 4. For each variable note if there is an increase, decrease or if the process stays the same or is…

A: A herbicide's objective is to prevent or destroy the development of weeds. This contributes to…

Q: 6. Give an example of negative feedback in nature. 7. Give an example of positive feedback in…

A: Introduction  Positive feedback, also known as exacerbating feedback or self-reinforcing feedback,…

Q: Question 2: DNA repair enzymes preferentially repair mismatched bases on the newly synthesized DNA…

A: The mismatch repair mechanism recognizes and fixes base mismatches created during DNA replication…

Q: What seems to be a common occurrence with all mass extinction events? Rising CO2 Rising water pH…

A: Introduction  The word "extinction" refers to the end of a particular type of organism or a set of…

Q: Drink # Glucose Concentration in mM 1 2.455 mM 2 0.307 mM 3 3.750 mM 4 1.100 mM 5 1.500…

A: Glucose mol mass =c6h12o6  12*6+1*12+16*6 =180g/mole And we know 1M =1000mM So 1mM = 10^-3M 1.…

Q: Discuss the life cycle of Chlorophyta comprehensively.

A: Chlorophyta is included in green algae and is known for presence of chlorophyll a and chlorophyll b…

Q: Which are the organisms in one of the food chains in this food web?  Who is the producer in the…

A: In biodiversity, a food chain contains different kinds of organisms from producers to consumers.

Q: Which of the following systems is predominantly stimulated by nicotine action in parasympathetic…

A: Introduction: The smooth and cardiac muscles are innervated by the nerves that make up the ANS. The…

Q: Other than salinity, what other parameters can a refractometer measure? How is it different from…

A: Salinity is the saltiness or amount of salt dissolved in a body of water, called saline water.It is…

Q: What are cellular membranes mostly made out of? Choose the best answer. O Lipids and proteins O…

A: Introduction :- All cells have a cell membrane, also known as a plasma membrane, which separates the…

Q: How do the “types of vertebrae” change throughout the evolution of vertebrate taxa, from fish (2…

A: Comparative anatomy is the study of the anatomy of more than one species. Rather than focusing on a…

Q: Complete the following problems. Restriction enzymes (REs), which cut D NA at specific sequences,…

A: The restriction enzymes are the endonuclease enzymes, which cuts the DNA at specific sites called…

Q: Classify and characterize the plant-like protists (algae) based on the following parameters.…

A: Note: As Per Guidelines, we can answer 3 sub-parts of a question at one time. Please ask rest…

Q: Give similarities and differences between the following: a. ecologist vs. environmental scientist b.…

A: Ecology is the study of the relationship and interactions of different components of a habitat. The…

Q: 5. Which herbicide: Disrupts proton flow and decreases ATP synthesis. Binds to a protein causing it…

A: Introduction Agrochemicals are agricultural chemicals that refer to pesticides including…

Q: The Leslie Street Spit is a wild-life rich park peive of land sticking out into the lake. It is…

A: Introduction Biodiversity defined as the variety of animals, plants, fungi, and microorganisms…

Q: After eight years of married life, during which time she had frequent intercourse with her husband…

A: The father of the first child with OO +/- can be either the husband or the lover. The father of…

Q: Given the following traits that the parents have, assign the letters H for hair type, E for eyelids,…

A: A trait is characteristic feature that is unique to particular individual. A trait is represented by…

Q: All land plants produce. ______by mitosis and ____________ by meiosis. Selected Answer: spores;…

A: Introduction: The haploid and diploid generations of plants alternate during their life cycle. Only…

Q: You find that in a population of a butterfly species that that the frequency of allele 1 at the…

A: Hardy-Weinberg Equilibrium the formula is --- p² + 2pq+ q²= 1  p² = dominant homozygous frequency q²…

Q: The largest cycloneuralians are also the only ones with external fertilization. Which phylum is…

A: * Cycloneuralians belongs to the clade of ecdysozoan animals which consists of  Scalidophora and…

Q: Columbia CNA with 5% Sheep Blood Agar is undefined, differential and selective. Which ingredient…

A: INTRODUCTION Columbia sheep blood agar This is the 5% sheep blood agar used for the isolation of…

Q: 1.It is known that there is an ionic asymmetry between inside and outside of the cells membrane.…

A: MRP- Membrane resting potential It refers to the voltage across a given cell membrane during the…

Q: What makes an experiment controlled?

A: Scientists test their hypotheses using controlled experiments. A hypothesis is an assumption, an…

Q: Explain why brain edema might occcut in people with servere hyponatremia and consuming too much…

A: INTRODUCTION Brain edema This is the over accumulation of fluid in the brain.

Q: Which theory suggests that cell dysdifferentiation is a common mechanism behind aging and cancer?…

A: This question is based on the cell dysdifferentiation, aging process and cancer.

Q: Is there any value in anecdotal evidence?

A: Anecdotal evidence is evidence based only on personal observation and obtained in a non-systematic…

Q: 12. d) noltionos le ter Wonsmo color-blind A red-green man (sex-linked gene) marries a normal woman.…

A: Introduction: Simply said, colour blindness is the inability to see or distinguish between colours…

Q: MC In humans, the condition for normal vision dominates color blindness. Both alleles are linked to…

A: Introduction :  Inheritance is defined as the transfer of genetic traits from parents to their…

Q: If you are going to prepare a vaccine against SARS-CoV 2. how would you grow the virus?

A: With the rising pollution and poor diet and exercise habits, one may face a high chance of…

Q: State one example of an emergent property. Describe how a feature of the whole is not observed in…

A: A property that develops as a result of joining individual elements or components into a system is…

Q: If you can please fill out the chart

A: Dyes are used to improving the resolution during gel electrophoresis. Nucleic acid staining dyes…

Q: 1) If an animal cell is placed in HYPERTONIC solution, what happens to the cell? nothing happens…

A: Based on osmotic concentration solutions can be of three types namely- hypertonic solution,…

Q: How does the mitochondria structure relate to its function so that it can....

A: The mitochondrion's structure is tailored to the job it does: Outer membrane: Transport proteins…

Q: Arrange and match in chronological order the pathway of water in syconoid sponges: Dermal ostium…

A: Sponges  Sponges belong to the kingdom porifera also knows as pore bearing animals.

Q: Differentiate the Pediculis humanus capitis versus Pediculis pubis based on their morphology,…

A:

Q: In the following diagram, what is the correct term for the structures indicated by letter B?…

A: Histone  Special group of proteins found in the nuclei of eukaryotic cells responsible for DNA…

Q: 64 65 calx A pure culture contains only A. one species of microorganism. B. bacteria. C. a variety…

A: Culture:- it is a method of multiplying the microbes as well as eukaryotic cells in a appropriate…

Q: 1)Explain the differences between the following terms: -Gene, allele, and locus -Genotype versus…

A: Genetics In biology, the study of organism genome is known as genetics.

Q: The Hardy-Weinberg model describes a non-evolving population. Group of answer choices True False

A: Introduction :- In the absence of disturbing forces, the Hardy-Weinberg equilibrium states that the…

Q: Blood glucose levels remain stable between meals despite the fact that the body's cells continually…

A: Glucose is an instant source of energy. It is used in the process of glycolysis and the citric acid…

Q: 16. Most bacteria are heterotrophs. What is a heterotroph? O Heterotrophs produce their food from…

A: Nutrition is the intake of food and energy. Energy is necessary for growth, reproduction, and…