Describe the most significant hormones responsible for sex differentiation. List the most important hormones during puberty. Describe the significance of hormonal regulation during pregnancy and present the changes in hormonal balance during menopause.

Q: Please answer fast What role do sigma factors play in prokaryotic transcription? Which sigma factor…

A: In prokaryotes (as in eukaryotes), transcription necessitates a partial unwinding of the DNA double…

Q: The fossil record (a) usually occurs in sedimentary rock (b) sometimes appears fragmentary (c) is…

A: All life on Earth descended from the universal last common ancestor, who lived between 3 and 4…

Q: Discuss the significance of the Hardy–Weinberg principle as it relates to evolution and list the…

A: In the absence of disrupting events, the Hardy-Weinberg equilibrium implies that genetic changes in…

Q: An epidemic may be detected by observing

A: Endemic is used to describe diseases that spreads rapidly to a large number of people of a given…

Q: When can the regenerative capacity of the connective tissue clearly observed? And what specific…

A:

Q: To collect blood from infant patient and you need low ? amount, Which source is good * Arterial…

A: The human body is made various organ system. All these organ systems perform different physiological…

Q: Explain why IgM cannot activate complement by itself.

A: Antibodies which are also known as immunoglobulins are large Y shaped blood proteins produced by the…

Q: Define about computer-automated high-throughput DNA sequencing ?

A: DNA sequencing is a commonly used method after the gel electrophoresis to determine the order of…

Q: Explain how and why the queen honey bee abort the sexual maturation of the worker bees?

A: Queen bees have a specialised reproductive system , which lets them make some choices on the types…

Q: I. Identify the reactants, enzymes, cofactors/coenzymes and products involved in the glycolysis…

A: The entire number of biochemical processes involved in sustaining the living circumstances of cells…

Q: What are the similarities and the differences between codominance and incomplete dominance? What are…

A: Codominance and Incomplete dominance are two kinds of hereditary inheritance. Codominance basically…

Q: Enumerate the similarities among the lophophorates phyla.

A: lophophorate phyla include:  Bryozoans Brachiopods Phoronida Entoprocta

Q: situation: a. How would your advice the survivors? b. How would your advice the families of the…

A: First I'll evaluate and identify the risk by trying a less risky option. And see preventing access…

Q: •What the different columns in a cohort life table represent.

A:

Q: What seems to be the function of the spindle fibers ?

A: Spindle fibers are a network of threads like filaments that are forms during the cell division…

Q: 10. Which of the following statements explains Lamarck’s Theory of Use and Disuse? *   A. Body…

A: Lamarck's theory of use and disuse  According to Lamarck's theory, the structure we use more…

Q: Nascent form of the mRNA A. undergoes splicing only after capping B. is also called hnRNA C. is…

A:

Q: we read that in tumor cells Rb protein is hyperphosphorylated. In response to that, will p53 level…

A: Phosphorylation leads to interdomain locking, which alters the structure of pRb and inhibits it from…

Q: Discuss the process of eukaryotic transcription in details please.

A: Transcription is a process in which RNA is synthesized from the template strand of DNA. Like any…

Q: All amino acids are synthesized from intermediates in what pathway(s)? All are correct O Glycolysis…

A: All amino acids are synthesized from the intermediates of - All are correct. (Glycolysis, Krebs…

Q: Some eukaryotic promoters contain an element positioned around nucleotide +1 called a…

A: The transcriptional initiator (Inr) for mammalian RNA polymerase II is a DNA sequence element that…

Q: In mitochondria, solar energy changes to chemical energy stored in the produced sugar. Select one: O…

A: All organisms sustain on the various functions that are important for them to live. All these…

Q: Ku proteins involve. nucleotide excision repair DNA repair before S phase single DNA strand break…

A: The Ku proteins bind to the ends of the linear phage DNA and stimulate LigD to ligate the ends to…

Q: If chaetognaths belong to Lophotrochozoa, they would be more closely related to animals like…

A: Chaetognaths are phylum of the predatory marine worms.

Q: What is Biological classification? What is the need of classification?

A: The naming of organisms by two words is referred to as biological classification. One is a generic…

Q: two events in meiosis lead to genetic variation and when does each occur?

A: Meiosis is a simple biological process that occurs in the germ cells of sexually reproducing…

Q: Ultraviolet radiation can cause purine and pyrimidine bases to cross-link. True false

A: Adenine and thymine are the purines which are smaller two-ringed bases, and the pyrimidines consists…

Q: Public health strategies on the prevalence of diabetes.

A: Diabetes is a chronic metabolic disease which needs proper care and attention to control it.

Q: Patients with sever ly reduced C3 levels tend to have а. Increased number of severe viral infections…

A: C3 means complement component is a protein present in the immune system. It is important for innate…

Q: What are the causes of diabetes, discuss the current and previous causes of diabetes?

A: Diabetes is a chronic, metabolic disease in which  blood glucose levels get elevated (or blood…

Q: How do eukaryotic and prokaryotic RNA polymerases compare?   Eukaryotic and prokaryotic RNA…

A: Prokaryotes have only one RNA Polymerase, while eukaryotes have three (RNA Polymerases I, which…

Q: Explain why monarchs have different survival probabilities in species A and B

A: The monarch butterfly and natural milkweed plants have a symbiotic relationship. Monarch butterflies…

Q: On a separate sheet of paper. A. Classify the Value of Biodiversity: Give the value of each organism…

A: INTRODUCTION  Biodiversity is referring to the diversity of living organisms that are interdependent…

Q: Dicuss a campain for Diabetes in the UK.

A: Campaigns are the way to convey the message or awareness to the people for achieving specific…

Q: EFFECTS OF INSECT POSSIBLE SOLUTIONS REPELLANTS TO THE ENVIRONMENT ADVICE TO THE CONSUMERS

A: Insect Repellents: These are a class of compounds that retards or deters the movement of insects.

Q: When in a cell cycle are the chromosomes actually replicated

A:

Q: A new Drosophila phenotype is investigated with a series of crosses. P (parental) organisms are…

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

Q: _snRNP of the spliceosome recognizes to the 5' splice site through conventional base-pairing. These…

A: Splicing is a process that removes non coding sequence of genes from pre mRNA. Non coding sequence…

Q: RNA molecules differ from DNA molecules in that they *   a. are single stranded rather double…

A: Codon is a sequence of three DNA or RNA nucleotides. Codons encode the amino acids which eventually…

Q: Which of the following lake would be in the latest successional stage? A. with no submerged…

A: Ecological succession is the process that describes how the structure of biological community…

Q: Drosophila melanogaster, the common fruit fly, is a model organism due to the similar relationship…

A: In the Drosophila melanogaster due to similiar chromosome to humans and fruit fly the eye color…

Q: The common energy currency molecule in any cell is: Select one: ADP glycogen охудen АТР

A: Cellular respiration is a process that takes place in aerobic organisms (aerobic respiration) in…

Q: Tabulate the distinguishing characteristics of the horseshoe worms, the lamp shells, and the moss…

A: Horseshoe worms, lamp shells, and the moss animals all belong to clade lopophorata.

Q: According to the __________ perspective, physicians rose to dominance in the American health care…

A: Healthcare industries has taken  a great initiative in many perspectives. Moreover with the…

Q: Which strand below would be the complementary strand for the sequence AAACGCTT O GGGTATCC O AAGCGTTT…

A: A "nucleic acid" is a linear polymer of nucleotides that is a component of the cell's information…

Q: At a high pH the overall charge on a diprotic amino acid is more [ Select ] than the overall charge…

A: The amino acid sequence of a protein can reveals information about its three-dimensional…

Q: Lype P = n! (p)* (q)"* х! (n - x)! Practice Problem: You cross a true-breeding pea plant with red…

A: Genotype of true breeding plant producing red flowers = RR Genotype of pure plant producing white…

Q: What is the effect of increasing the concentration of lactose in the action of the enzyme lactase?…

A: Lactase  Lactase is a enzyme with digest lactose present in milk or in any solution. It break…

Q: a. Summarize the factors that are causing lower numbers of caribou in herds in Alaska b. what impact…

A: Reindeer or caribou is a species of deer with polar distribution and it is native to arctic,…

Q: What is opsonization? What is the role of antibodies in this process?

A: When the immune system recognizes foreign antigen enters in the body, complement activation occurs.…