Q: a. The name of each level of treatment. b. A description of the type of treatment used at each level...
A: Wastewater is the waste discharge of water from various sources like household, industrial and storm...
Q: In the DNA extraction. What is the purpose of squashing the fruit?
A: DNA is a double-stranded molecule kept together by weak links between base pairs of nucleotides. It ...
Q: A drug forms a channel in the thylakoid membrane. Given this scenario, which of the following statem...
A: *chloroplast is the major site in plants that perform photosynthesis. * Chloroplast consists of C...
Q: Consider the genes that specify the structure of hemoglobin. Arrange the following events in the mos...
A: Hemoglobin is present in red blood cells.Hemoglobin is made up of heme and oxygen molecule and respo...
Q: Know the relationship between exons and protein domains.
A: Introduction: Nucleic acid coding segments found in mRNA are known as exons. Non-coding segments in ...
Q: Which of the following is not part of MALT? View Available Hint(s) for Part A Peyer's patches ...
A: The spleen is not part of MALT.
Q: Virulence factors allow microbes to be pathogens. This means that a bacterium with more virulence fa...
A: Option c Can more easily infect hosts and cause disease. Virulence is defined as the degree of path...
Q: . The human insulin gene is transcribed, translated and then placed in the bacterial cytoplasm.
A: Human insulin is the name which describes synthetic insulin which is laboratory grown to mimic the i...
Q: A gene, which we will call gene C, can be epigenetically modified in such a way that its expression ...
A: Introduction: Gene is the structural and functional unit of inheritance or heredity which transfers ...
Q: If the 2n chromosome number of an organism is 12: (a) what is the probability of having a spermatid...
A: Probability is equal to number of outcomes divided by total possible outcomes. Diploid number of chr...
Q: Spirochetes are free-living, anaerobic bacteria that contain spiral-shaped cells. Nematodes are roun...
A: Answer: Option A In nematode genomes, certain genes are duplicated more than once. Unlike Spirochaet...
Q: Complete dominance at both gene pairs but the first gene when recessive is epistatic to the effect o...
A: Interactions between Genes Individual genes do not work in isolation from one another, but rather i...
Q: Define the concept of restriction-enzyme digestion ?
A: Enzymes are biocatalysts. These speed up biochemical reactions and are proteinaceous in nature. Thes...
Q: 11-15. In humans, widow's peak (H) is dominant over a continuous hairline (h), and short fingers (F)...
A: In this conditions, widow's peak (H) is dominant over a continuous hairline (h) , and short fingers ...
Q: The segment of DNA shown in the figure has restriction sites I and II, which create DNA restriction ...
A: The segment of DNA shown in the figure has restriction sites I and II, which create DNA restriction ...
Q: Escherichia coli is a facultative anaerobe that ferments sugars. In the absence of oxygen, it does n...
A: Aerobic respiration is a phenomenon in which the energy is harvested to fulfil energy requirements....
Q: ng using only iron (Fe3+) and nitrite (NO2-). This bacterium does not consume organic molecules. Ho...
A: In the class of chemoautolithotrophes, chemical energy is their source of carrying out metabolic pro...
Q: A tall, purple pea plant that is true-breeding is crossed with a short, white pea plant. What will t...
A: introduction:- Mendel examined seven features in his pea plants, each of which was expressed as one ...
Q: Explain why G protein–mediated receptor systems depend onmembrane fluidity.
A: The cell membrane, also known as the plasma membrane, is made up of a double layer of phospholipids....
Q: If there are 9 chromosome pairs, how many univalents are there at anaphase?
A: The chromosomes are found in eukaryotic cells that is the compact form of DNA. The DNA with histone ...
Q: Cold-blooded organisms may adapt to changing environments by making their membranes more fluid when ...
A: The study of the molecular mechanisms of bioactivity between and within cells, comprising molecular ...
Q: Describe the possible roles of allosteric modulation in theregulation of metabolic pathways.
A: Enzymes are proteins that act as a catalyst, speeding up chemical reactions without changing themsel...
Q: How do protozoa digest?
A: Protozoa digest their food through intracellular digestion, which means that organic material is abs...
Q: What are bacterial plasmids ?
A: Cloning is one process involved in gene manipulation and recombinant DNA technology.
Q: If a fish is able to breathe outside of water but does not reproduce, that trait?
A: Introduction: Evolution is the change in the inherited characteristics of biological populations ove...
Q: Which of the following events did NOT occur during thePrecambrian?a. Formation of the ozone layerb. ...
A: Introduction The Precambrian Period, which predates the current Phanerozoic Eon, is the earliest per...
Q: (a) (b) (c) The part of the illustration at the bottom (c) shows Initial inflation of the BP cuff O ...
A: Sphygmomanometer is the device used to measurement of blood pressure.
Q: Condition: A transmembrane (or integral membrane) protein that acts as a H+ channel has been added t...
A: The electrochemical proton gradient across the thylakoid membrane helps to synthesize ATP in the pro...
Q: Distinguish among inducible, repressible, and constitutive genes.
A: A gene is a fundamental unit of heredity in biology, consisting of a sequence of nucleotides in DNA ...
Q: Describe the ways that viruses can spread between hosts.
A: Virus is small collection nof Genetic code like DNA or RNA which surrounded by Proteins coat and whe...
Q: As people get older, plaque can build up in the main arteries in the area of accumulation. How does ...
A: Atherosclerosis is a type of arteriosclerosis in which irregularities in the arterial wall, known as...
Q: A chemolithoautotroph is respiring using only iron (Fe3+) and nitrite (NO2-). This bacterium does no...
A: The lithoautotrophic bacteria are classified into two groups, one is photoautolithotroph that derive...
Q: Given that out of the 64 codons of MRNA, 61 codify amino acids that form polypeptide chains, what ar...
A: As there are 20 amino acids and 64 possibilities of mRNA codons. There it is expected some amino aci...
Q: Which class of antibodies functions as a dimer? IgE IgG IgM Secretory IgA
A: Immunoglobulins or Ig molecules are synthesized and released by the B-lymphocytes or B-cells. It is ...
Q: When there are no one in-between, example tounge twisting. A. sexual variation B. Discontinous va...
A: Due to some gene and chromosomal rearrangement, Embryo or zygote or a newborn baby is different fro...
Q: A small-scale pedigree study involving 15 families with a total of 50 children was performed to dete...
A: C. z = 0.2 indicating no linkage Synopsis Genome-wide experiments are rapidly changing our underst...
Q: The virus attaches itself to the cell that it is intended to infect. The newly made viruses are rupt...
A: Narrative description of image provided.
Q: RrYy x RrYy .1 YY 1 RRYY 2 RRYY 1 RRyy 1 RR 2 Yy -1 yy .1 YY 2 RrYY 2 Rr .2 Yy 4 RrYy 2 Rryy 1 yy 1 ...
A: Dihybrid cross It refers to the genetic cross which involves mating of two organisms that are hybrid...
Q: Explain why certain genes in eukaryotic cells are present in multiple copies.
A: Genes are expressed by the process of transcription and protein synthesis.
Q: a. genotype of the parents b. Punnett square C. genotypic ratio d. phenotypic ratio
A: Here, based on the data given in the question Parents genotypes and phenotypes:- HhFf X HhFf (Widow'...
Q: A diploid organism has chromosomes. Use colours or symbols to show which chromosomes are which throu...
A: Meiosis is a process in which a single cell splits twofold to form four cells with half the number o...
Q: Which type of myosin is found in contractile bundles?
A:
Q: Some bacteria secrete chemicals that prevent the phagocytic digestion of a bacterium by interfering ...
A: Usual cellular lytic processes involve ingestion of bacterium by certain cells and their fusion with...
Q: As people get older, plaque can build up in the main arteries in the area of accumulation. How does ...
A: Change in rate of blood flow and blood pressure due to formation of plaque in arteries in older age....
Q: In 40 words or fewer, explain what an enzyme cascade is in the context of signal transduction pathwa...
A: Ligands are the chemical signals between the cells that bind to the receptor protein on the surface ...
Q: The genotypic ratio of the cross between Aabb x aaBb is O 3.1 O 11 0 9:3:3.1 O 1:1:1:1
A: The genotypic cross-ratio along with the Punnett square is discussed in details in the step 2.
Q: Which of these is caused by the effects of auxin? (choose all that apply) 1.Maintaining apical domin...
A: Answer :- As we know that Auxins are powerfull development harmone created by plant normally. They a...
Q: Complete dominance at both gene pairs but the first gene when dominant is cpistatic to the other. Du...
A: Introduction :- The effect of one allele in a heterozygous genotype entirely covers the effect of th...
Q: What are the four groups of gymnosperms?
A: Introduction:- "Gymnosperm" is derived from the Greek terms "gymnos" (naked) and "sperma" (seed), so...
Q: Flowering Plants Flowers / Double Fertilization / Endosperm / Fruit Gymnosperms Ferns Mosses and Hor...
A: This picture depicts plant evolution. This diagram is called as phylogenetic tree.
What features distinguish progymnosperms from seed ferns?
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