Describe an example of how overfishing can lead to ecological damage and fishery collapse.

Q: What is the main principle that governs aseptic technique? Explain in minimum of 4-5 sentences.

A: Answer 

Q: True or false? Inbreeding can increase the frequency ofa harmful allele in a population’s gene pool

A: Inbreeding is a process in which two closely related organisms which are related through common ance...

Q: Use examples to explain sexual selection and its outcomes.

A: Sexual selection is a type of natural selection in which members of one biological sex choose mates ...

Q: illustrate the life cycle of the intestinal fluke and the other life cycle of lung fluke

A: There are about thirty species of trematodes (flukes) in the genus Paragonimus that infect both anim...

Q: Using illustrations describe the structure of a typical cloning vector and discuss the functions of ...

A: "Biotechnology" is the use of our knowledge of biological processes to the development of beneficial...

Q: Which of the following is/are not found in a bacterial mRNA molecule? (a) stop codon (b) upstream le...

A: The transcription can be described as the process involved in the formation of mRNA molecule from DN...

Q: Meiosis: Sequence of Stages Number the stages of meiosis from 1 to 8 to show their correct chronolog...

A: Meiosis is a reductional division contains meiosis-I and II. In meiosis-I, the prophase-I is the lon...

Q: What does the term "Micronutrient" mean in technical language to biologists? What are the similariti...

A: The term micronutrients are used to describe chemical element or substance such as vitamins and mine...

Q: 1) In Gram staining, to what cell structure do the dyes bind? 2) Would it be useful to perform a Gr...

A:

Q: (a) Complete the table, using a letter D, R or B, to show whether each statement applies to: DNA onl...

A: Genetic material is the hereditary substance in the cell. It carries all information specific to org...

Q: With endurance athletes, an increased stroke volume at rest will occur because of   Select 3 correc...

A: Stroke volume is defined as the amount of blood that can be pumped out by heart per beat.

Q: In many bird species, sex is preceded by a courtship dance. If a male’s dance is unrecognized by the...

A: Charles Darwin is the father of evolution, and his theory explains how species evolve throughout tim...

Q: Once separated from other cellular components, extracted DNA can be used for a variety of purposes. ...

A: Introduction:- Biotechnology relies heavily on the extraction of DNA. It serves as the foundation fo...

Q: 6. By incubating cells with an inhibitor of TFIIH helicase activity. Which step in the transcript wo...

A: Answer - The initiation & the starting of the elongation process will be stopped if the cell is ...

Q: Using suitable illustrations describe a method to sequence a fragment of DNA and include how the sam...

A: DNA sequencing is the process of determining the sequence of nucleotides (As, Ts, Cs, and Gs) in a p...

Q: What is the purpose of A kinase–associated proteins (AKAPs)? Describe how AKAPs work in heart muscle...

A: The A-kinase associated proteins (AKAPs) are a group of structurally diverse proteins, which have th...

Q: why dna sequence used in the construction of recombinant dna molecules can originate froma ny specie...

A: Recombinant DNA Technology:   Recombinant DNA Technology is a method for creating artificial DNA by ...

Q: 17. Which of the following situations below show an example of colored-to tubes interfering with the...

A: The following situations show an example of colored-top are tubes interfering with the assay are: E...

Q: Describe some models of speciation and give examples of each.

A: An evolutionary process IN which a new species comes into form is known as speciation. A species is ...

Q: How would the discovery of DNA and how DNA "works" have changed how scientists could research develo...

A: Since the discovery of DNA, scientists have gained a huge amount of knowledge regarding the structur...

Q: What do you think will happen to the accumulated lead metals of the plants after a successful phytor...

A: Phyto remediation is the process by which plants are used to removes pollutants in the soil. The pla...

Q: you observe that coastal marshes are increasingly becoming flooded and that nearby coral reefs are d...

A: Introduction :- Salt marshes are important parts of the aquatic food web, but they can also protect ...

Q: Describe the events required for full activation of protein kinase B. Name two effects of insulin me...

A: Protein kinase B (PKB) is also used to define as a way to refer to as Akt. It is a threonine/serine-...

Q: Background Layout- Theme Transition 1... 2 3 LI 4 I5 1 lII 6 I7 I 9 I. The image shows the blastula ...

A: To study on mitosis, scientists frequently check specific cells. The whitefish organism is a decent ...

Q: What criteria are used in the biological species concept to define a species? Choose all that apply....

A: The classification system divides the organisms on the basis of their looks, habitat, behaviour. the...

Q: State which phase of mitosis the following descriptions belong to: The chromosomes unwind and become...

A: Cell division & Mitosis Mitosis is a process of cell division also called as Duplication divisio...

Q: A researcher was mutating prokaryotic cells by insertingsegments of DNA. In this way, she made the f...

A: A mutation is a permanent change in the DNA of a cell such that the sequence deviates from what is m...

Q: Which of the following would be least likely to cause the sympathetic nervous system to activate? Lo...

A: The sympathetic nervous system is one of the two divisions of the autonomic nervous system, the othe...

Q: In a populationof manatees, short whiskers are recessive to long whiskers. There are estimated to be...

A: The ideal population is found in Hardy Weinberg equilibrium. The population is not facing any migrat...

Q: s evolution important to all living things, and why do we need to adapt to the ever-changing conditi...

A:

Q: Which of the following is not a fossil?a. Dried-out animal bones in a layer of desert sandb. A patch...

A:

Q: The lowest level of stimulation that a person can consciously detect 50 percent of the time the stim...

A: Sensation is the process of transmitting information from sensory receptors to the brain, allowing a...

Q: With suitable examples, explain how mechanisms that do notinvolve adaptive traits can change allele ...

A: Allele frequency means frequently appearance of particular allele appears in the population. Change ...

Q: Distinguish between Bacteria and Archaea

A: The microorganisms in kingdom Monera are considered as the most ancient living forms on earth. The k...

Q: the force of blood-- in your arteries when your heart contracts (beats) diastolic pressure None O sy...

A:   Cardiac cycle is the term used to describe the relaxation and contraction that occurs as a hard wo...

Q: List three examples of proteins that act on nucleic acidsduring transcription

A: Three examples of proteins that act on nucleic acids during transcription are: RNA polymerase I: Th...

Q: General Biology 1 Talk in great detail and length about the four stages of cellular respiration. The...

A: There are four stages of cellular respiration:  Glycolysis, The link reaction, The Krebs cycle oxida...

Q: Methemoglobinemia (MetHb) is a blood disorder in which an abnormal amount of methemoglobin is produc...

A: Introduction :  Methemoglobinemia is a blood disorder. In this abnormal amount of Methemoglobin are ...

Q: What is a genomic DNA library? A. All DNA fragments identified with a probe O B. A general collectio...

A: Genomic libraries are mostly used for the  sequencing applications. A genomic library contains all ...

Q: How can you contribute to the preservation of life and the natural resources? What advocacy efforts...

A: Biodiversity gives working environments that supply oxygen, clean air, and water, fertilization of p...

Q: What molecular biology principle is the basis for DNA fingerprinting?

A: DNA fingerprinting is a molecular technique which can detect minisatellites in the genome to produce...

Q: Organisms living at the bottom of oceans, rivers, and lakes are all called benthos.

A: Introduction: The benthic zone, which includes the sediment surface and some sub-surface layers, is ...

Q: A tampered sack of powdered milk was analyzed by getting 50 grams of composited sample and diluting ...

A: Dilution : We know that the solute of the concentration will be decreasing in solution . There is a ...

Q: If our DNA contains all the information about who we are, how can something that does not involve ch...

A: Introduction: The term "phenotype" refers to the observable physical properties of an organism. An o...

Q: 1) In capsule staining, why does the capsules did NOT take in any dye?  2) In endospore staining, w...

A: Stain is a dye used to colour living or dead organelles. Stains are of three types -  Acidic  Basic...

Q: A eukaryotic gene contains 14 exons. Most of the transcripts from this gene contain all 14 exons, bu...

A: Introduction :  Different combinations of exons of same gene when combined and produce different pro...

Q: Farmer Brown had two hogs, Olga and Hank.  Olga and Hank were normal, healthy hogs, but whenever Far...

A: Ogla and Hank must be both heterozygous for the condition. That is why they are producing some offsp...

Q: The spectrophotometric profile of this RNA extraction can be interpreted as Spectro-DNA2.pdf 212 KB ...

A: This is method use for assessing the RNA concentrations and it's purity. 

Q: Beta turn (B-turn) Type I and l'are shown below. The type of turn shown in the beta-hairpin structur...

A: * The beta hairpin also called as beta ribbon or beta beta unit. * Beta unit is a simple protein mot...

Q: (a) Name the following: (i) The type of cell division which occurs in the cells of the reproductive ...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...