Do all gram negative organisms grow on EMB? A. no B. yes

Q: A mouse was injected with an antigen that is known to induce the generation Th1 helper T cells. At…

A: *Here a mouse was injected with antigen that is known to induce the generation Th1 helper T cells.…

Q: please thoroughly explain why answer is b

A: Bhi The producer of the show thinks he has to have a cat video if he wants his show to go viral, so…

Q: A scientists collects strains of a virus from three different years: 2020, 2021, and 2022. The virus…

A: * Given that the scientist has collected strains of a virus from three years that is 2020 and 2021…

Q: Sequencing genomes of the Lassa virus to test hypotheses about its spread is an example of the…

A: ANSWER;- Evolutionary medicine. Explain;- Recombination with the host or other organism happens when…

Q: What are the physiological changes that can occur when an individual adds resistance training to…

A: Introduction Resistance training is any exercise that causes the muscles to contract against an…

Q: : Which of the following choices is the most appropriate for Which of the following choices is the…

A: Regional block used as anesthetic technique. This is used to inhibit nerve transmission to…

Q: II. Fill in this table to show the properties of xylem and phloem cells. Some answers have been done…

A: Plants are less sophisticated than mammals and need fewer food and water to exist. A plant's roots…

Q: Hypothyroidism during pregnancy causes some defects in growing babies. State any two of them.

A: The thyroid glands secretes three hormones - tetraiodothyronine or thyroxine (T4), tri-iodothyronine…

Q: Write the technical terms for: i) The sterile stamens ii) When stamens are attached to the petals

A: i ) In botany, sterile stamen is called as  staminode . Sterile stamens meabs these stamens does not…

Q: A rare genetic disorder affecting the degradation of hemoglobin made a man suffer extreme…

A: Sangers method is a DNA sequencing method and is also known as enzymatic chain termination method.…

Q: Which form of RNA acts as a blueprint for protein synthesis in the ribosome? a. tRNA O b. rRNA O c.…

A: Introduction Proteins are complex biomolecules and macromolecules that are made up of one or more…

Q: activities demand more body movements? Explain. Give 2 systems that are directly affected whenever…

A: * when we exercise we feel increasing in breathing and hear beat too. * we require more oxygen when…

Q: A. Explain how respiration takes place in plants in: Roots Leaves Stem

A: Respiration takes place in roots-  Roots, the underground part of the plants, absorbs air from the…

Q: Answer the following questions using your understanding of the Calvin Cycle to make one maltose…

A: Calvin Cycle involves 3 stages:- 1. Carboxylation, it is the process in which atmospheric carbon…

Q: Fill-up the needed data in the following table showing the comparative characteristics of…

A:

Q: A. Explain one reason why a farmer or home gardener might want to use a commercial mycorrhizae…

A: Plant roots and fungi form a symbiotic relationship known as mycorrhizae. Their main function is to…

Q: contrasting external characteristics between Phylum Nematoda and Phylum Mollusca.

A: Whenever we observe and compare two organisms we first observe the external feature and these are…

Q: A pregnant staff is concerned about harmful radiation to her fetus.  She can work on these areas of…

A: Non-ionizing radiological procedures These are the imaging procedures which does not use ionising…

Q: In the context of the cell cycle, which cyclin is most important for the G1 to S transition, the G2…

A: * cell cycle is a series of events which takes place in cell for growth and division of cell. *…

Q: How well are current and future generations expected to adapt to climate change?   a. humans will…

A: In nature it is a rule that every organisms should adapt the present environment for their…

Q: In 1985, a 0.5-mm cell was discovered in surgeonfish and named Epulopiscium fishelsoni. It was…

A: Introduction Protozoa are microscopic unicellular eukaryotes with a complex internal structure and a…

Q: How will you separate RNA from the aqueous phase?

A: ribonucleic acid is a kind of nucleic acid found in all living organisms. Its primary function is to…

Q: When the cDNA was sequenced by the Sanger method utilizing ddCTP, the following products were…

A: Answer :: If the dCTP was not present, the polymerization would come to a standstill, resulting…

Q: 16) In what situation would a beta blocker be INDICATED? A) Hypertension B) Hypotension C)…

A: Beta blockers are the class of drug that are used in the case of arrhythmia, chest pain, heart…

Q: s 9

A: 1 is  spermatogonia 2 is primary spermatocytes 3 is connective tissue 4 is Interstitial cells

Q: The population of a small country increases exponentially at a rate of 3% per year. Predict what the…

A: When there is increase in size of population in the proportion of the present size then the growth…

Q: If you grow Trp R E.coli cells in a medium containing tryptophan, which of the following stem-…

A: The tryptophan binds to the trp repressor and causes it to change shape, converting into its active…

Q: Describe how Balantidium coli invades the tissue. How is it different from invasion by Entamoeba…

A: Parasitic infections are found all around the globe and various diagnostic techniques have been…

Q: A mature follicle releases an ovum in response to a surge in A) follicle-stimulating hormone. B)…

A: Ovulation is the process of releasing secondary oocyte in the fallopian tube from the ovary.

Q: Which statement regarding the parasitoid wasps that infect the cryptic skipper species of Costa…

A: The correct answer choice is - the wasps are cryptic species as well, with DNA barcoding revealing a…

Q: In the context of the cell cycle, which cyclin is most important for the G1 to S transition, the G2…

A: Cyclins are a group of proteins that regulates the cell cycle progression. Cyclins function by…

Q: I am working on reconstructing the phylogenetic history of North American squirrels. I decide to use…

A: *Phylogenetics is study of reconstructing the evolutionary history of extant taxa based on present…

Q: Which of the following base change in the sense strand will result in the alteration of the net…

A: Option (A) TCT codes for - Serine (Polar, but Uncharged) TTA codes for - Phenylalanine (Non polar)…

Q: What are the three major pathways that eventually become entry points of molecules into the Krebs…

A: The Krebs cycle or TCA cycle is the very important step in aerobic cellular respiration that occurs…

Q: Observations of the developing chick embryo reveal that skeletal muscles develop from the…

A: The neural crest is often termed the fourth germ layer. It develops from the neural tube from the…

Q: A. What are the benefits of shallow rooting and showy inflorescences to desert plants? B. With warm…

A: A.In deserts,there is a very little amount of rain and even the rain water is absorbed by the…

Q: Differentiate Bone and Cartilage on the basis of the matrix present in these connective tissues.

A: Introduction - Cartilage does not have any blood vessels, whereas bone does. Bones are innervated,…

Q: Describe 3 physiological adaptations that enhance depth and duration of diving in animals such as…

A: This question is about adaptation of seals.

Q: In the regulation of glycogen phosphorylase, which of the following statements is true? The inactive…

A: * Glycogen phosphorylase is one of the phosphorylase enzymes that catalyzes  rate limiting step in…

Q: what is chromosome, mitosis and meiosis

A: Chromosome - Chromosome is a highly condensed type of DNA found in the cell nucleus. A chromosome is…

Q: Bacteria that were once treatable through the application of antibiotics are now resistant to them,…

A: *Antibiotics are nothing but medicines that fight against bacterial infections by killing the…

Q: profile-image For which organism and life stage would you expect to see the most rapid senescence?…

A: Introduction The slow decline of functional characteristics of living organisms is known as…

Q: Please place the following Chordate adaptations in order of most ancient (1) to most recent (4). 1…

A: Evolutionary developmental biology, is considered a new norm in evolutionary biology. It arose from…

Q: Each one gives some basic information and summarizes its main role in translation. mRNA:…

A: Translation takes place in the cytoplasm. It synthesizes proteins.

Q: 19) The major reason for the decrease of resting heart rate for people who have participated aerobic…

A: When a person engages in physical activity, the heart beats faster during the activity and for a…

Q: Put the numbers in the space provided to indicate the order of Capsule Staining. If the statement is…

A: The primary function of capsule staining is to differentiate capsular material from bacterial cells.…

Q: Describe the evolution of circulatory systems in animals (include at least two invertebrate examples…

A: Circulatory systems: Circulatory system consists of heart, blood vessels and connective tissues that…

Q: Question 43 The end of the Miocene brought what to Africa? drop in temperature reduced rainfall…

A: Human evolution is defined as "the process by which humans evolved on Earth from now-extinct apes."…

Q: Which of the following disease are not preventable with traditional vaccines? O a. TB O b. Polio O…

A: A vaccine is the antigen or mixture of antigen that used to induce artificial active immunity and…

Q: 25) In muscle contraction cycles, bridge during which myosin; actin; ATP; energy actin; myosin; ATP;…

A: The skeleton muscle is the classic example of interaction between actin filament and myosin…

Soil Ecosystem

Soil provides a habitat or living environment for a large number of different species of organisms as well as plants. It provides all the essential nutrients and minerals for plants to grow. All these together form the soil ecosystem.