What features are present in a microscopic image that indicate the microscopic technique (Transmission Electron Microscope, Scanning Electron Microscope, Reflective Light Microscope, Transmission Light Microscope) that was used?

Q: tomato, yellow flowers (Y) is dominant to white flowers (y). A true-breeding yellow flowered strain…

A: This is an example of monohybrid cross in which only one trait or character is involved. Pure…

Q: 14) If the density of propanol is 0.828 g/mL and a sample of propanol has a mass…

A: Density of a solution is determined by the ratio of mass to volume. Propanol is a 3-carbon alcohol…

Q: The ER occupies an extensive portion of the cytosol. Which compartment is physically connected to…

A: The endoplasmic reticulum (ER) is essentially the eukaryotic cell's transportation system. Rough…

Q: 1. Nephrons within the kidney are responsible for filtering blood to maintain homeostasis within the…

A: 1. Starting the labeling from the right side; The 1st box (uppermost) is pointing towards Proximal…

Q: Explain why dispersal behaviour shown amongst majority of species improves reproductive success.

A: Dispersion is crucial for every species, free-living or parasitic, since a population isolated to a…

Q: Draw a picture of a squamous tissue cell: Draw a picture of a cuboidal cell: Draw a picture of a…

A: The type of cells that lines the insides and outside of various organs and components of the body is…

Q: State all the farming techniques or technologies humans use to grow a rice. What is the importance…

A: Rice is a cereal grain that is widely consumed around the world. It is a grass that is primarily…

Q: Activity 3b - Diffusion across a semipermeable membrane 1. Define selective permeability. 2. Explain…

A: Activity 3b Selective permeability Cellular membranes have a characteristic called selective…

Q: 9-Sand fly is an intermediate host for_____   A-AIDS   B-Syphilis   C-Leishmania   D-Malaria

A: Intermediate Host:  These hosts are known for harboring the parasites in its life cycle and in which…

Q: true or false  bb.Neurons can communicate using electric impulses in the axon and neurotransmitters…

A: Nervous system is also the command centre of our body. It transmit electric signal from brain to…

Q: explain the inheritance and parental genotypes that would produce the following dihybrid phenotype…

A: We need to identify the inheritance and parental genotypes that would result in the following…

Q: Offspring (new cell) DNA is identical to the parent DNA in: mitosis O meiosis O both

A: Cell division is required for the growth, repair and formation of reproductive cells. Cell division…

Q: 6. Based on this hypothesis, draw how would a membrane conductance plot of this TTX-poisoned neuron…

A: Tetrodoxin is a kind of neurotroxin present in the puffer fish. It is found mainly in the liver and…

Q: What are the three categories of biological agents? Which of the three categories are the greatest…

A: The potential for a weapon of mass destruction (WMD) attack has been a concern for public health…

Q: 0 0. Figure 3. Electron micrograph of root cells.

A: Roots are one of the important part of the plants. They help in the absorption of water and minerals…

Q: iCQ5) viruses are able to by using the enzyme integrase. a) Lysogenic; Release from the cell without…

A: An infectious bacterium called a virus is made up of a protein-coated fragment of nucleotides.

Q: Compare the differences in the arrangement of the chorion, amnion and placenta in the formation of…

A: Identical twins, also known as monozygotic twins, are twins formed when a single egg is fertilised…

Q: Use the given terms (in parentheses) to complete the following sentences. (closed square, controlled…

A: pedigree:- 1.Due to the limitations of studying humans investigations rely on pedigree analysis.

Q: lased on the oxygen binding correct statement: O₂ saturation (%) ४ 8 88 8 80 40 20 0 Myoglobin…

A: The correct statements can be identified as follows- a. The sigmoidal binding curve of haemoglobin…

Q: In peas, tall (T) is dominant to short (t). A homozygous tall plant is cross with a short plant. The…

A: Introduction :  Punnet square is a figure that shows many genotypes that could occur in progeny…

Q: Two true-breeding pea plants are crossed. One parent is round, terminal, violet, constricted, while…

A: A tetra hybrid cross is a type of genetic cross that involves the inheritance of four different…

Q: What is the equilibrium membrane potential due to  Na+   ions if the extracellular concentration of…

A: A biological cell is an enclosed structure composed of a lipid bilayer, as well as proteins,…

Q: The culture medium that contains penicillin is a type of ________media.

A: Culture media were introduced in the 19th century and have since gone on to revolutionize…

Q: There are many ways you can accomplish a 1000-fold dilution. Propose 3 different serial dilution…

A: Serial dilution is a method for precisely determining a substance's concentration in a solution. To…

Q: 1) In some species of pea plant, pea colour is determined by one pair of alleles and pea shape by…

A: It is said here that in some pea plant species, pea color is controlled by one pair of alleles while…

Q: act as a source or a sink

A: The decision of whether a given part of the system should act as a source or a sink depends on the…

Q: Long bearded macaques are a (hypothetical) species of monkey who grow long white hair on their faces

A: The best way to test the hypothesis woul be d. Test if male macaques who have had their faces shaved…

Q: What is the final magnification that you would obtain if you were viewing an object through a…

A: In a microscope, magnification refers to the increase in the apparent size of an object being…

Q: 2. For each of the following feedback loops, explain whether it is positive or negative. a) Blood…

A: Feedback mechanism - It is a physiological regulatory system in our body , which returns the body to…

Q: Asap

A: A mutation occurs when the DNA sequence of a gene or chromosome changes. It can happen naturally or…

Q: The motor unit types (S, FR, and FF) that were initially identified in the cat medial gastrocnemius…

A: Motor units are a collection of muscles fibers that are innervated by a single motor neuron. Motor…

Q: For each G protein below, draw an arrow to its downstream effector(s), second messenger(s), and…

A: G proteins, sometimes referred to as guanine nucleotide-binding proteins, are a family of proteins…

Q: Classify the following joints as fibrous, cartilaginous, or synovial. Give reasoned justifications…

A: Introduction :  Fibrous joint :  The joints between two bones that are linked by dense connective…

Q: Proteins are constructed by amino acids that are linked together. How many different amino acids…

A: INTRODUCTION   Proteins are massive biomolecular and molecular structures that consist of one or…

Q: Define Genome, Transcriptome, and  Proteome. Include examples of each one and a very detailed…

A: Rapid advancements in science and technology have enabled various scientists and others to research…

Q: Which of the following is a correct similarity between anthozoans and platyhelminths? O a. Both have…

A: Introduction :  The germinal layer of cells is a primary layer of cells that are formed during…

Q: What are the benefits to a diploid sporophyte over a haploid sporophyte? List and explain atleast…

A: ANSWER: More variation in the human gene pool As a result of having twice as many chromosomes as…

Q: Please discuse the various methods of gene regulation in prokaryotic cells including the lac operon.…

A: INTRODUCTION Lactose plays an inducer role in the lac operon. The regulatory gene is activated if…

Q: 1. In the space provided below, draw your plates and indicate the number of different colonies and…

A: The visual qualities of a bacterial colony on an agar plate are known as colony morphology. An…

Q: Malaria, TRICHURIS TRICHIURA  are common parasites found in Guyana, discuss the prevalence,…

A: Parasites are of various kind which causes diseases in the human body. They are transmitted by…

Q: How does the microscopy in Figure 2 show that the capsule and an S-layer can exist in the same cell…

A: Surface layer (S- layer) is the self assembled monomeric proteins forming to protect the surface of…

Q: There is a non-harmful species of fly that has a body coloration pattern that is similar to bees and…

A: It's important to note that mimicry is not always a perfect adaptation, and there are many factors…

Q: How did they investigate envolution differently?

A: Evolution is a natural process by which biological organism adapts themselves according to their…

Q: Please explain one type of “DNA repair” mechanism (what is it, when is it used, how does it work).

A: The process by which a cell detects and repairs damage to the DNA molecules that encode its genome…

Q: What should be the appropriate oxygen gradient for an algae to grow in an bottle culture (water…

A: The process of photosynthesis allows the algae, like other plants containing chlorophyll, to…

Q: Which of the following is most likely to be true of two modern organisms that have a distant…

A: Evolutionary relationships are the association between two organisms on the basis of their ancestral…

Q: Describe how the association of DNMT1 with the UHRF1 and PCNA proteins ensures that it will be found…

A: To maintain cell phenotype throughout subsequent cell divisions, DNA methylation, which is catalysed…

Q: 2). In rabbits, coat colour patterns are determined by 3 alleles at one locus. Agouti is dominant…

A: There are certain genes which have more than two alleles. A condition in which trait is controlled…

Q: Calculate the number of ATP formed from NADH and FADH2. The calculation should be based on the total…

A: NADH and FADH2 are both coenzymes that play important roles in cellular metabolism. NADH stands for…

Q: In pre-MRNA in eukaryotes, introns are removed by the enzyme a.RNA polymerase b.DNA polymerase…

A: RNA polymerase is an enzyme that synthesizes RNA from a DNA template. DNA polymerase is an enzyme…