Provide a detailed explation of telomeres in cell aging

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: . A woman with Turner syndrome is found to be colorblind (an X-linked recessive phenotype). Both her…

A: Turner syndrome is a chromosomal disorder that impairs women's development. Half of the sex…

Q: with the aid of a diagram explain how the hydrogen uptake enzyme makes the nitrogen fixation process…

A: Mutualism, commensalism, predation, parasitism, and competition are the five basic symbiotic…

Q: Which of the following are causes or consequences of an extinction vortex?   Question 71 options:…

A: Introduction :- An extinction event (also called as a mass extinction or a biotic crisis) is a…

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: The life table below is for a species of lizard. Use it to answer the questions below. It can be…

A:

Q: Why is a chromosome with two centromeres (adicentric chromosome) unstable? Would a backup…

A: A chromosome is a thread-like structure present during cell division.

Q: Which type of mutation is most likely to be silent? An inversion A deletion An insertion A…

A: Mutation is the random change in the sequence of nucleotides of a gene.

Q: In a population with two alleles at the R locus (R and r), the frequency of the genotype rr is 0.24.…

A: Introduction In population genetics, the Hardy–Weinberg principle, also known as the Hardy–Weinberg…

Q: 75) In general DNA viruses are a. smaller than RNA viruses b. their mutation rate is higher than RNA…

A: DNA viruses have certain characteristics that make them different from others. The details are…

Q: Why are human races considered to be arbitrary categories from a biological perspective? Because…

A: Why are human races considered to be arbitrary categories from a biological perspective? A. Because…

Q: Which of the following agricultural practices can increase water pollution? a) Manual cultivating b)…

A: Introduction :- Genetically modified crops are agricultural plants whose DNA has been altered using…

Q: 3. What is calcification? 4. Give general features of cartilage. at least 3

A: Skeletal system is a type of body system which form scaffolding structure around the body and meant…

Q: Which of the following is most likely to elicit an immune response that generates antigen-specific…

A: Immune response is the kind of immunological reaction, that happens within an organism to provide…

Q: Explain the process of somatic hybridization.

A: It is possible to achieve somatic hybridization through the following steps:

Q: discuss the isolation of nif genes by complementation.

A: Genes associated with nitrogen fixing can be referred to as nif genes. They're present in bacteria…

Q: explain codominance & incomplete dominance  -mitosis defects (ex:down syndrome). give 3, then…

A: 1. Codominance- it is the appearance of both parental phenotypes together in the offspring. Effect…

Q: Describe the cellular mechanisms of Ca++ absorption in the small intestine.

A: * Macromolecules and ions will transport across the cells by means of transportation process. *…

Q: Imagine yourself being assigned to a very poor, remote village to educate the people about…

A: Pond water is a type of surface water that, like well water that can be filtered and used in the…

Q: 76) Nuclear localization signal can be a. Simple sequence in which we have a stretch of acidic amino…

A: A nuclear localization signal (NLS) is an amino acid pattern that 'marks' a polypeptide for nuclear…

Q: Mention any three vector-less methods that are used to introduce recombinant DNA into a competent…

A: The three vectorless methods are as follows:

Q: A community that does not undergo further succession is an apex community. True or false?

A: Introduction The process of change in an ecological community's species structure over time is…

Q: Q.4. Describe the kind of food that would have lactic acid bacteria. Mention their useful…

A: Lactic acid bacteria are probiotic organisms, commonly used in fermented dairy products.  They…

Q: directional selection?   Question 70 options:   During a drought, individual leopard frogs of…

A: Directional selection is the one where the individuals of one extreme phenotype are more favoured…

Q: Two groups of geneticists, in California and in Chile, begin work to develop a linkage map of the…

A: Linkage is defined as either the gene's close association or other DNA sequences that are present on…

Q: The steps to assessing each parameter listed (for animals): Blood pressure Heart rate Temperature

A: Note: As Per Guidelines, We Can Answer three sub parts at a time. As again to get rest answers.…

Q: Draw a schematic diagram showing the components involved in the regulation of the tryptophan оperon.

A: Answer

Q: compare and contrast the theory of ecological community and population genetics.

A: The two different levels of ecology are 1. Population 2.Ecology Population ecology refers to the…

Q: Which one of the four trees below, shows a different pattern of relationship as the three others?…

A: The different phylogenetic trees are given in the figure which depicts the relationship between…

Q: In humans, webbed fingers is dominant (W-); non webbed fingers is recessive, ww. A man with webbed…

A: We have,  Allele representing webbed fingers - W Allele representing non-webbed fingers - w Since…

Q: You're studying two lakes in neighboring valleys in the Cascades. One lake has a food web with three…

A: Based on the principles of trophic transfer, the lake with longer food web should have lower net…

Q: es that stimulate Il will get to the response step or not. Keep in mind the purpose of this pathway…

A: Ras MAP kinase Pathway. The MAP kinase pathway is initiated at the receptor level . The receptors…

Q: Q.2. Discuss the main ideologies crucial in the biological control of diseases and pests.

A: The biological control strategy involves the employment of life forms that act as pest and hazardous…

Q: Comparison between plants and humans defensess

A: Plants and human defense are different in some manner, though there are some similarities also

Q: Write instruction to make cell culture medium using DMEM consist of 10% FBS, 1% streptomycin.

A: Introduction Streptomycin is an antimycobacterial drug which is used in the treatment of…

Q: 6- The bacterial growth curve; O would have a shape which is dependent upon factors such as medium,…

A: The bacterial growth curve shows the number of live cells in a bacterial population over any period…

Q: In a population of 466 individuals, a locus has two alleles: T and t. If 108 individuals have the tt…

A: The locus has two alleles: T and t. TT, TT and tt genotypes are present in the population.

Q: which enzyme is used in the processing of miRNAs that are encoded in the genome but not in the…

A: Introduction Short interfering RNA or siRNA along with miRNA with DICER enzyme form the silencing…

Q: Which process is only carried out by prokaryotes eutrophication   weathering of phosphate rich…

A: Prokaryotes are usually microbes which are single celled structure visible only under microscope.…

Q: Discuss the ecological importance of tapeworms.

A: Answer

Q: • Part B a cotransformation experiment, using various mbinations of genes two at a time, the…

A: As you perform an experiment in which another Gene g was studied and it demonstrated positive…

Q: Autosomal homologous chromosomes A. have identical gene locations and alleles B. are joined at the…

A: Introduction :- For genes with the same corresponding loci, homologous chromosomes are made up of…

Q: 78) The 2009 Human H1N1 virus is the result of a recombination event that a. Happened two times b.…

A: The 2009 Human H1N1 virus is the result of a recombination event that happened between swine, human,…

Q: Given: Father - heterozygous for the H locus of the H antigen, heterozygous for the B locus of the…

A: Introduction Homozygous means that you inherit the same version of the gene from both parents,…

Q: Crops gain genetic diversity when large swathes of farmland are planted with the same crop. Which…

A: Interspecific hybridization takes place between two different species but is related, while…

Q: Distinguish among Klinefelter, Down, and Turner syndromes. Which syndromes are found in both sexes?

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

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

A: Answer

Q: Discuss the ecological importance of trematodes.

A: Introduction Trematoda is a subphylum of the Platyhelminthes phylum. It consists of two types of…

Q: Cellular Respiration] Among the glycolysis products, which will most likely to make a high net…

A: Cellular respiration occurs in four stages- in the first step glycolysis occurs where glucose is…

Q: In the tree below, the group in the red box is Libytheinae Danainae Calinaginae Charaxinae Satyrinae…

A: Within a cladogram, a branch that includes a single common ancestor and all of its descendants is…