Describe two mechanisms for causing uniparental disomy.

Q: genotypes of parents

A: Answer :

Q: List distinguishing traits of conifers and describe their life cycle.

A: Conifers are a group of plants categorized as gymnosperms and include some commonly known plants…

Q: How many chromosomes are there in a human sperm cell? Select one: а. 23 pairs of chromosomes O b. 46…

A: Sperm is the male gamete produced by the process of spermatogenesis .  Gametes are the formed by the…

Q: . Janitor fish (Pterygoplichthys pardalis) live in the river dominates the other species inhabiting…

A: Pterygoplichthys or commonly known as Janitor fish is a genus of South American armored catfishes.…

Q: How do the following factors affect the activity of restriction enzymes? pH conditions Mg2+…

A: Restriction enzymes are those enzymes which cut the DNA at specific places so that they can be used…

Q: From the biological standpoint, a. What is a LIVING SYSTEM? What are its components? b. How can a…

A: (A) LIVING SYSTEM:- Definition:- Living system is defined as open, self organising forms of life…

Q: Write five different laboratory instruments used to test blood in different fields. Explain the…

A: 1. Westergren ESR tube - It is a long narrow tube used to measure Erythrocyte sedimentation Rate. It…

Q: What are the advantages and disadvantages of having a Moist, permeable skin in amphibians?

A: ANSWER;- advantages;- Most amphibians have thin skin that is very permeable (allowing fluids and…

Q: Which has the highest coefficient of digestibility? Carbohydrates Lipids Sugar…

A: The correct option is D. Proteins

Q: five developmental processes in the starfish that are similar to the sea urchin.

A: Starfish It is also called sea stars. It is an echinoderm that belongs to the class Asteroidea. It…

Q: Name one keystone species that has been extinct or on the verge of extinction. What will happen to…

A:

Q: Choose and describe a scientific technique or practice related to genetics and eugenics. Provide the…

A: The chromosomes are made up of DNA (deoxyribonucleic acid) molecules that carry genetic information.…

Q: What is the Central Dogma of biology? •. Name FOUR polymers in your body right nOW.

A: Central dogma of biology is the process of synthesizing protein from DNA.It was first proposed by…

Q: What is a mesosome in a prokaryotic cell? Mention the functions that it performs.

A: When the plasma membrane invaginates into the nucleus of a prokaryotic cell, a convoluted membranous…

Q: Fill the remaining section about animal diversity   1. Common Name: Acorm Worm Phylum:…

A:

Q: Describe the similarities and differences between van der Waals attractions and hydrogen bonds.

A: The interactions in the biological system may be covalent or non-covalent. The covalent bond is…

Q: 18. Which statement is TRUE about population? *       A. The population growth in an ecosystem must…

A: The organisms living in an environment is termed as a population. The population can range from a…

Q: 6. Identify the mode of inheritance for the following pedigree. Provide the genotypes of indicated…

A: Inheritance patterns are the ways through which genetic traits are passed on to the next…

Q: Construct a dichotomous key containing the following

A: Dichotomous key : A dichotomous key is an important scientific tool, used to identify different…

Q: At which enzyme concentration does all of the available substrate react with the enzyme?

A:

Q: The seasonal migration of Salmon, beginning life in freshwater, migrating to oceans to grow, and…

A: ▪︎Many types of fishes  migrate on a regular basis, ranging from daily to annually or longer, and…

Q: Which antibiotic would be a good choice for treating a systemic (in the blood) MRSA infection

A: Methicillin-Resistant Staphylococcus aureus MRSA is a gram-positive bacteria. It is named so as it…

Q: When chromosomes improperly separate it is called what? What type of condition could this cause?

A: Introduction - Chromosomes are thread-like structures within the nucleus that securely wrap DNA.…

Q: Identify four risk of contaminations from vaccine production

A: * The production of vaccines can be done from transgenic plants and animals. *There can be several…

Q: Why can bacterial ribosomes be targeted by antibiotics? a) Because they are different from…

A: Ribosomes Cell have tiny granular structure known as ribosomes. They are composed of ribonucleic…

Q: E. Top Carnivores

A:

Q: Suppose you spot two species of birds feeding side byside, eating seeds from the same plant. You…

A: In the field of biology, competition is a type of an interaction that lies between any organism and…

Q: Describe cellular action mechanisms of testosterone and related androgens.

A: Androgens are sex hormones which are present in both males and females there are responsible for…

Q: 1. Why does blood pressure increase with plaque build up?   2. By pass surgery: vessels are put in…

A: Answer

Q: For most dividing cells in a diploid organism, the time spent in mitosis is approximately 4% of the…

A: A cell cycle is the series of cyclic events that takes place in a cell for its division. There are…

Q: The "cause" for something to happen is called: A. Response B. Effect C. Homeostasis D. Stimulus

A: Any self-regulating mechanism wherein an animal tends to retain stability while adapting to…

Q: PLANT AND ANIMAL REPRODUCTION PART A. DIRECTIONS: The concept map below displays relationship of…

A: Plant reproduction is a phenomenon of development  and growth of new plant either from fusion of…

Q: Describe the anatomical abnormalities that would be present in someone living with dilated…

A: anatomical abnormalities that would be present in someone living with dilated cardiomyopathy…

Q: Discuss how bats and bats pollinated flowers are modified to maximize each other 2. Describe an…

A: Pollination is a process in which flowers reproduce sexually through meeting of the female and male…

Q: Give an example of DNA and RNA with 15 nucleotides

A: * DNA is the  Deoxyribonucleic acid  contains genetic information and instructions for protein…

Q: Please explain 3 potential complication the use of stent-grafts for the treatmen abdominal aortic…

A: In old age men and smokers, this abdominal aortic aneurysms are most commonly seen. An enlargement…

Q: in cells, an enzyme catalyzes the reaction ab → a + b. it was isolated, however, as an enzyme that…

A: Enzyme catalysis is the use of a biological molecule called a "enzyme" to speed up a process. The…

Q: Crossover occurs during what phase? What is this process and why is it important?

A: ANSWER) Crossover occurs during the Prophase 1 of meiosis. Cross over is important for the…

Q: sa sex-linked, recessive disorder (X). Using the details below, fill in the Punnett square to…

A:

Q: What tree below represents the consensus tree for the two trees above?

A: * consensus tree is a phylogenetic tree which summarizes the branching information of a set…

Q: Cell wall inhibitors –  (including Penicillins) -   Inhibitors of protein synthesis Injury to plasma…

A:

Q: C. Answer the questions correctly. 1. Plants and animals are both capable of reproducing asexually.…

A: 1) Animals that reproduce asexually include planarians, many annelid worms including polychaetes and…

Q: How are the minerals absorbed by the plants?

A: Plants soak up minerals in the shape of ions from the soil. Earlier it became a concept that the…

Q: Baddeley, in his working memory model, proposed a system for rehearsing at the level of mental…

A: Short-term memory is explained with the help of a model called the multi-store model. As per the…

Q: mate change cause the ecosystem to become u

A:

Q: What is periderm? How does periderm formation take place in dicot stem?

A: Periderm is made up of three layers: the phellogen, the phellem, and the phelloderm.

Q: When chromosomes improperly separate it is called what? What type of condition could this cause?

A: The chromosome is an important structure that exists in both prokaryotic and eukaryotic cells. There…

Q: Saration plasmids? 9. Predict and explain the effect of each of the following conditions on the Tm…

A: The Tm value is defined as the temperature at which half of the ds DNA is denatured . a) Now at pH…

Q: Explain pressure flow hypothesis of translocation of sugars in plants.

A: Introduction In this question we will explain pressure flow hypothesis of translocation of sugars in…

Q: The degree to which a given allele is expressed at the phenotype level 3 The allelic constitution of…

A: Mutations are sudden, heritable changes in the sequence of the DNA that alter the amino acid…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.