1. Name the accessory organs of the digestive system. 2. Why is digestion necessary? 3. Describe the structure of the small intestine interior. Why is this structure an advantage?

Q: Troponin C has been mutated such that it cannot bind to calcium. Describe the effect of this…

A: Troponin C (TnC) is the metal-binding supermolecule monetary unit that initiates the sequence of…

Q: What are the importance (to other organisms, environment, medicine, etc.) of annelids?

A: Anellida Free living found in moist soil(Terristrial), fresh water or marine but few are parasite.…

Q: suggest a strategy that you might employ to isolate all of the genes involved in nitrogen fixation…

A: Nitrogen fixation is the process by which the free form of atmospheric nitrogen is converted or…

Q: what is the role HGF in pancreatic cancer?

A: * HGF is also known as Hepatocyte growth factor or scatter factor which is an  paracrine cellular…

Q: Which of the following is not necessary to cause evolution by natural selection? Phenotypic…

A: Introduction  Evolution is the key process that regulates the survivability and continuity of…

Q: How can microbes be used to decrease the use of chemical fertilizers and pesticides?

A: When it comes to protecting plants against disease and promoting their growth, chemical fertilisers…

Q: What are centrioles? In which type of cell are they present?

A: Centrioles- Centrioles are paired barrel-shaped organelles located in the cytoplasm of animal cells…

Q: 300 carries the allele for this disease. However, in some populations, including the Irish…

A: The first option is correct that is all three populations descend from a small number of settlers.

Q: structures originating from area pellucida and area opaca

A: Area pellucida forms the outer layer of the embryo and the area opaca forms layer around the area…

Q: The Escherichia coli chromosome is a circular DNA molecule and contains a single origin of…

A: Introduction :  DNA replication  in E.coli is a process through which daughter DNA synthesized from…

Q: Describe the three domains and argue for and against classifying organisms in these domains.…

A: Domains are the taxonomic group above the level of the kingdom.

Q: Availability of energy is less for entities at higher trophic levels. Why?

A: Introduction We will answer the question in below step

Q: A kid let go 4 snails he bought at the pet store in a pond. A year later, the population of snails…

A: When a population follows exponential growth, an increase in population can be calculated by:  Nt =…

Q: Growth Factor (GF-signal) Activation of GF Receptor (RTK-receptor) To cause Cell proliferation/cell…

A: Receptor tyrosine kinases(RTKs) are the receptor proteins that are present on the cells which are…

Q: Predict the level of gene expression of the lac operon, as well as the status of the lac represso…

A: Operon functions as a single regulated unit composed of one or more structural genes, a promoter…

Q: Explain telmoere cell maintaince.  Give examples.  Give a diagram to back your answer

A: Answer

Q: In a population of 344 individuals, a locus has two alleles: T and t. If 125 individuals have the tt…

A: Given population count (no. of individuals) = 344 The two alleles are T (dominant) and t…

Q: The figure shows the level of genetic diversity at three loci in two species of elephant seals.…

A: Genetic diversity at a specific locus is affected by evolutionary factors.

Q: Synthesis of the purine nucleotides AMP andGMP proceeds by a branched pathway starting with…

A: Feedback inhibition is a biological regulatory mechanism wherein the final product of an enzyme…

Q: a. Are red flowers crossed with white flowers produce all pink flowers complete dominance,…

A: The flower color is encoded by the genes present in the DNA of an organism.

Q: : At the edge of a wound cells need to respond to the loss of connections to other cells. Explain…

A: At wounds edge the cells damage and hence they loss the connections or communication with the nearby…

Q: II. A 45-ycar-old man complained of rapid weight loss, tachycardia, increased sweating, occasional…

A: Phaeochromocytoma is a condition When irregular secretions of harmones adrenaline and…

Q: Given the following DNA sequence: 3'-TACTTNGTNCTNTCN-5' where N stands for any nucleotide, give the…

A: Introduction The process of duplicating a DNA molecule is known as DNA replication. When a cell…

Q: In a population with two alleles at the R locus (R and r), the frequency of the genotype rr is 0.17.…

A: Hardy-Weinberg Equilibrium is a concept that serves as a benchmark for researchers to analyse gene…

Q: In humans, what is characteristic of the y chromosome? a. Submetacentric centromere b. No satellites…

A: Note: As per Guidelines, We Can Answer One Question At A Time. Ask Again To get rest answers.…

Q: Explain Telomere cell maintenance

A: A telomere is the non coding region present at the end of the chromosome that contains repetitive…

Q: The table below shows the number of individuals from 4 species of frogs sampled in a pond. What is…

A: Shannon diversity index ( H) is also known as Shannon weaver index. This is commonly used to…

Q: Provide an sufficient explanation as to how a positive interspecific distribution-abundance…

A: Distribution-abundance relationship tells about how the species which are widely spread in different…

Q: 6. What IS loose connective tissue? 7. What are the components of connective tissue?

A: Introduction :- Loose connective tissue is the most common type of connective tissue. It is the most…

Q: The survival, growth and reproduction of microorganisms are influenced by physical and nutritional…

A: *The survival and growth and reproduction of microorganisms are influenced by physical and…

Q: 4. What is parthenogenism and its importance? 5. What is hyper- infection syndrome and why is it…

A: Fertilization is the fusion of male and female gametes and the formation of a zygote and an embryo.…

Q: Which anomaly do all of the following characteristics describe? 47,XXX Kleinfelter Syndrome b.…

A: Genetic disorders:  A genetic condition is an illness caused in part or entirely by a deviation from…

Q: ecological niche

A: All living organisms have a range of environmental conditions under which they can survive, grow,…

Q: CLAIM: is a renewable resource t become nonrenewable due to

A: Renewable resources are those resources which can be replenished within short period of time. Non…

Q: PCR errors during library amplification are one possible source of false positive results. If an…

A: PCR is a polymerase chain reaction. This is a biotechnology used to amplify the DNA copies.

Q: Would you consider the “smoking-lung cancer relationship” as an example of the biological…

A: almost 10 lakh people die due to lung cancer every year. 90% and 85% of men and women have lung…

Q: Inbreeding increases the frequency of ________ in a population.   Question 73 options:…

A: Inbreeding is a term that indicates breeding between closely related individuals. On contrary,…

Q: what happens during the process of nitrogen fixation

A: Introduction :- Nitrogen fixation is a necessary biological activity that occurs at the beginning of…

Q: 4. In Drosophila, AAAXX is ---while in humans, AAXXXY is------ a. Metamale--female b. Intersex-male…

A: Sex in drosophila is determined by X to A ratio. If the ratio is one then the organism is female if…

Q: Picking up a pencil requires what kind of stimulus to a muscle? OSub-threshold stimulus O Threshold…

A: Introduction :- Skeletal muscle is a type of striated muscular tissue that is directly controlled by…

Q: a) What is the consequence of discharging larger volumes of sewage that is untreated into a river?…

A: a) The consequence of discharging large volumes of sewage that is untreated into river is that the…

Q: Which of the following statements about genetic drift is correct? Genetic drift causes predictable…

A: Genetic drift is an evolutionary change in the allelic frequency of a population as a matter of…

Q: Interpret a cladogram, describing the meaning of its specific nodes and branches.

A: Introduction The study of the evolutionary history and relationships among or within groups of…

Q: Use the SGF-signaling pathway image as a reference, to answer the following questions. Use the data…

A: ANSWER;-

Q: 4 Draw a map showing the order of the genes that enter the F- cell for the figure on the right. Hfr

A: The plasmid mapping is given in the figure. The F- is the recipient cell.

Q: -Explain and illustrate these processes; Intramembranous Ossification and Hemopoieses.

A: Bone is a mineralized connective tissue that exhibits four types of cells: osteoblasts, bone lining…

Q: When preparing competent cells for transformation, the bacterial pellet should initially be placed…

A: Outer surface of bacterial membrane is negatively charged due to presence of negative groups on…

Q: X-linked traits are more common in males than females. Why?

A: Introduction An X-linked trait is one in which a gene is found on the X chromosome. The X and Y…

Q: Which of the following statements is false? O The sun provides energy which then becomes usable in…

A: Ecosystem is the finite arrangement of the biotic and abiotic factors of a environment to support…

Q: Critically review the difficulties encountered in choosing taxonomiccriteria.

A: Taxonomy is the aspect of systematics and includes the naming and classification of organisms.