Rotational movement of the head is sensed by the: middle ear semicircular canals O cochlea O vestibular apparatus

Q: Arguments in favor of the overkill hypothesis of megafauna extinctions are   a. Basically…

A: Evolution is a continuous transition of living forms, beginning with the basic forms of the past and…

Q: In cladistic analysis, (a) ancestral characters are used to reconstructphylogenies (b) characters…

A: Cladogram analysis i.e., diagram of hierarchically branching is called as Cladistic analysis, which…

Q: Why is it important fo chromosomes to be condensed during mitosis decondensed during interphase?

A: During cell division, the condensation or decondensation of the chromosomes takes place. When the…

Q: There are 20 amino acids needed to make proteins in the animal body. Why aren’t they all considered…

A: Introduction Amino acids are the basic building blocks of the proteins in our body. Amino acids not…

Q: Describe the types of cells in a sponge body, and explain howthey work together to keep the animal…

A: The thin body wall is derived only from two embryonic layers ectoderm and endoderm. A third Jelly…

Q: What name is given to the inactive precursor of an enzyme? A) preenzyme B) antigen C) zymogen D)…

A: Enzymes require an ideal pH range to operate properly. The tertiary structure of the enzyme is…

Q: in this exercise both parents were heterozygous for every traitWould there be more, less, or no…

A: Heterozygous means that an individual has inherited various versions of a gene or genetic trait from…

Q: Cell Membrane Components Represented by Rationale and Processes Hydrophilic head of the Scratch…

A: Lipids (phospholipids and cholesterol), peptides, and glucose groups linked to some of the proteins…

Q: Check all that apply: What are the 2 ways that nitrogen is returned to the atmosphere? * Nitrogen…

A: Introduction :- Nitrogen-fixing bacteria are prokaryotic microorganisms capable of converting…

Q: transport of respiratory gases in humans to transport of water in vascular plants.

A:

Q: 100) The HA protein of Influenza vaccine is a. The HA1 is responsible for binding to unexposed…

A: Answer :- Option (B) is correct. - The HA protein of influenza vaccine is the HA protein of the…

Q: In a population of 123 individuals, a locus has two alleles: E and e. If 30 individuals have the ee…

A: Hardy Weinberg equilibrium is the equation to explain the population evolution whether there is any…

Q: In a cross involving polygenic inheritance, three (3) gene pairs control plant height. The shortest…

A: Introduction When the characteristics which are inherited to the offspring are controlled by two or…

Q: 69) in the first round of translation in Sheeppoxviruses the products are a. the proteins go back to…

A: * sheep pox also known as variola which is an  highly contagious disease of sheep due to a poxvirus…

Q: consist of series of flattened membrane-bounded cisternae (also called saccules) disk shaped stacked…

A: Introduction A cell organelle is a tiny cellular structure that performs specific functions within a…

Q: 78) The 2009 Human H1N1 virus is the result of a recombination event that a. Happened two times b.…

A: The 2009 Human H1N1 virus is the result of a recombination event that happened between swine, human,…

Q: What do you call a finger-like projection that arises from epithelial layer in some organs that…

A: Answer

Q: How many protons are pumped in total upon complete oxidation of NADH? How many protons are pumped in…

A: The electron transport chain is responsible for generating electrochemical gradient across the inner…

Q: What is wrong with simply saying that a suspect is included in a mixture without providing any…

A: Suspect DNA can be identified in a mixture of DNA with the help of DNA fingerprinting. This is a…

Q: Each organism has its way of adaptation; how will you describe the adaptation of an organism to…

A: Adaptation is the process through which an organism adjusts to its surroundings in order to improve…

Q: II. Complete the table below. Aerobic Respiration Anaerobic Fermentation Respiration Site Pathways…

A: Introduction Respiration can be divided into two categories: Respiration that occurs in the presence…

Q: The aerobic breakdown of glucose by bacterial cells yields ATP, while the anaerobic breakdown of…

A: The process that involves complete oxidation of respiratory substrate in presence  of oxygen with…

Q: Breifly desrcibe an experimentthat could distinguish between semiconservative and dispersive…

A: * Meselson and Stahl conducted experiment on DNA replication to distinguish between semiconservative…

Q: Antibiotic X binds to the 50S ribosomal subunit of 70S ribosomes and blocks normal ribosomal…

A: Introduction Antibiotics, also called antibacterials, are drugs that kill or slow the growth of…

Q: Label the dorsal muscles of the frog

A: There are 9 dorsal muscles has been given in the figure.

Q: Compare an open circulatory system with a closed circulatorysystem, and note which groups of…

A: A circulatory system is a transport system that transports nutrients, gases, and other molecules…

Q: In a population with two alleles at the R locus (R and r), the frequency of the genotype rr is 0.23.…

A: Given, Genotypic frequency of rr(recessive)= 0.23 As the R locus is in Hardy-Weinberg equilibrium,…

Q: A patient with heart disease experiences pain at the base of the neck and in the left shoulder and…

A: The cardiovascular system is a network of arteries and veins in which the heart pumps blood. One of…

Q: Explain the function of an origin of replication in the replication of DNA, and know how the…

A: Answer :- The beginning of replication likewise decides the plasmid's similarity: its capacity to…

Q: Evaluate the nutritional content of at least 3 supplements leading in the market and which you are…

A: Proteins carbohydrates and fats. Malnutrition refers to getting too little or too much of certain…

Q: Which of the following are produced during the citric acid cycle resulting from the breakdown of one…

A: INTRODUCTION Citric acid cycle This is a series of chemical reaction that result in the reduction of…

Q: If, for an observed data set, a specified gene, and two phenotype classes (disease and wild type),…

A: Degree of freedom is the measure of independence parameters of variables. It enables the measurement…

Q: The transportation of carbon dioxide involves a reversible reaction involving the bicarbonate ion.…

A: Answer :- Option (B) is correct. - build up in the tissues and become toxic.

Q: State TWO (2) guilt-free healthy practices to enjoy meals. i) ii)

A: Introduction  In today's generation there is lot of disbalance in diet and lifestyle.  There is huge…

Q: Common Name Genus Name Specifie Epithet Scientifie Name Squash Cucurbita maxima Felis catus (animal)…

A: * Binomial nomenclature or binary nomenclature is the system of naming a  species by giving a name…

Q: Briefly explain why SPE procedure should be used to analyze drugs present in the blood.

A: SPE which is solid phase extraction is a technique used for detection of compounds suspended or…

Q: 81) The RNA polymerase (RDRP) enzyme a. Can act on the nucleus only b. Can only be a viral enzyme.…

A: RNA dependent RNA polymerase is an enzyme that catalyzes the processes of RNA replication from RNA…

Q: Which of the following hormones is not involved in the male reproductive system? O FSH O LH O…

A: Introduction :- The biological system of an organism's reproductive system, also known as the…

Q: What impact do requirements for functionality, system output, performance, reliability, and…

A: Quality Planning:  The approach of determining what is most important to the project is called…

Q: ) The SARS-COV2

A: It is option c.

Q: Describe the features of the three subgroups of annelids

A: Annelids belong to phylum Annelida. Annelids are also called as segmented worms. Annelids are…

Q: Describe the physical changes of puberty.

A: Puberty is a period of significant change for a teen that culminates in full physical maturation.…

Q: Use Figure Q1(b) of an action potential to answer questions (1) until (iv) below. Choose the correct…

A: Nerve impulse refers to an electrical or chemical signal that is transmitted along  a fibre. The…

Q: How do the different components like lipids, carbohydrates, and proteins exhibit the…

A: Cell membrane is selectively permeable (Semi-permeability- only let in some molecules inside the…

Q: How do fertilizers boost crop growth? How can largeamounts of fertilizer added to soil also end up…

A: Agriculture is described as the science or practice of farming, crop cultivation or growth, and…

Q: You find a monster that produces a hormone that uses standard G-protein receptor pathways to prepare…

A: G protein is a heteromeric protein made from three units, alpha, beta and gamma. When a ligand binds…

Q: A child has a bicycle accident and is rushed to the ER. The doctors stop the bleeding, but the child…

A: Blood groups represents blood type of person. In ABO blood group system there are 8 blood groups. A+…

Q: Which of the following mutational changes wouldyou predict to be the most deleterious to gene…

A: Introduction :- A mutation is a change in our DNA sequence that happens as a result of errors in DNA…

Q: Characterize the scope of biodiversity on Earth

A:

Q: 98) The influenza virus is a. Segmented genome with a ds RNA b. Segmented genome with a negative…

A: Influenza virus is a member of orthomyxoviridae.

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.