Describe two mechanisms that explain how motor proteins associated with the kinetochore microtubules bring about the poleward movement of chromosomes

Q: This component of cell walls functions to link and connect cellulose. Select one: a. cellulase b.…

A: Along with the pectin and cellulose , the Hemicellulose is a complex carbohydrate that is a major…

Q: In rats, kinky hairs and long nose whiskers are produced in response to the recessive gene (k), and…

A: Mendelian genetics and probability are two interconnected areas of study that are essential in…

Q: Which of the following statements best describes the features of voltage-gated K+ channels?…

A: Voltage-gated potassium (K+) channels are ion channels that help regulate the membrane potential of…

Q: 7. A. In a table give three differences between antigen and antibodies B. Explain the structure of…

A: The immune system is a complex network of cells, tissues and organs that work together to defend the…

Q: Which of the following is true of chloroplastic ATP: Select one: a. it is made in the Calvin cycle…

A: Plant cells contain organelles called chloroplasts that are in charge of photosynthesis, the process…

Q: If you find an RFLP in a gene when comparing sequences of two different people, does that mean that…

A: A gene is a sequence of DNA that encodes instructions for the synthesis of a functional molecule…

Q: What effect would a decrease on sulfur assimilation have in plants? Select one: a. a decrease in…

A: Sulfur is an essential element for plant growth and development, as it plays a vital role in several…

Q: When the weight is traveling downwards, what are the agonist(s) for the action occurring at the…

A: An agonist is a muscle or a group of muscles that directly contributes to the execution of a…

Q: Explain how growth occurs in the long bones.

A: The body's long bones are a particular type of bone that are distinguished by their elongated form…

Q: How would you prepare a solution with a 1:500 dilution of your antibody in a 4mL volume of blocking…

A: Introduction Antibodies, also known as immunoglobulins, are proteins that are produced by immune…

Q: Example/ Hitchhikers thumb is dominant to straight thumbs*. A man with straight thumbs marries a…

A: Introduction In genetics, the terms dominant and recessive are used to describe how specific…

Q: A photoreceptor is a ______________; an example is

A: A photoreceptor is a specialized type of sensory receptor that responds to light. It is composed of…

Q: 6) Where do nitrogenous wastes come from? Why must we excrete them? Natural selection produced three…

A: Waste is produced in many various forms, including industrial non-hazardous trash and hazardous…

Q: Oligodendrocyte Neurlemma Reset Zoom Schwann cell Basal lamina Nucleus Dendrite Endoneurium…

A: Myelinated axons are nerve fibers that have been covered with a layer of myelin, a fatty substance…

Q: Required information CAP FLOW Cerebrospinal fulder CSF, eates freely through the he…

A: Cerebrospinal fluid (CSF) is a clear, colorless liquid that circulates around the brain and spinal…

Q: give my child the shot, make sure to sanitize their skin!" Should you sanitize their child's skin?…

A: Intramuscular injection is one of the most preferred ways to administer vaccines. It involves the…

Q: Fill in the blank for A and B A. The vagus nerve is a so-called cranial nerve- it exists and enters…

A: A nerve is a bundle of many nerve fibers, or axons, that are bound together by connective tissue and…

Q: Which of the following is/are descriptive of all globular proteins? I. They are significantly…

A: Introduction: Proteins are large biomolecules made up of one or more long chains of amino acids.…

Q: What evidence shows that allopatric speciation can occur in fruit flies raised on different food…

A: Allopatric speciation occurs when two populations are separated by a geographical barrier, such as a…

Q: How would you prepare a 1:350 dilution of secondary antibody in a total volume of 3mL

A: Both secondary and primary antibodies are used in Western blotting and many other procedures to…

Q: Explain the structure of the antibody molecule in 120 words

A: Immunoglobulins (Ig), also referred to as antibodies, are Y-shaped proteins that are essential for…

Q: Analyse the role of at least 4 different hormones in homeostasis and the role of insulin

A: Homeostasis is the maintenance of a stable internal environment within the body, including…

Q: Differentiate between the haversian canal and volkmann's canal

A: Bone tissue is a hard, mineralized connective tissue that makes up the skeletal system of…

Q: what does this data us about visual, verbal and tactile responses?

A: An involuntary and automatic  movement in response to stimuli is known as reflex.

Q: Using the skills you learnt in the DNA Analysis tutorial, correctly identify the gene and the…

A: With bioinformatics techniques like BLAST, it is often possible to determine a gene from a DNA…

Q: In which event would you see approximately equal amounts of parental and no-parental gametes being…

A:

Q: The rate of photosynthesis in an aquatic plant can be determined by the number of bubbles released…

A: Introduction Plants, algae, and some bacteria transform solar energy into chemical energy in the…

Q: QUESTION 2: Population size One weekend in early July, a total of 154 Marbled White butterflies were…

A: The mark recapture method includes i) capturing a number of animals ,ii) then marking them and iii)…

Q: 2 Make a comparison between SN1 and SN2 reactions.

A: SN1 Reaction -  Unimolecular nucleophilic substitution. Two step reaction with carbocation…

Q: Cats must eat several times a day. Mention two scientific articles that prove this premise.

A: In the wild, cats are natural hunters and consume small prey throughout the day. Domesticated cats…

Q: An antibiotic kills bacterial cells by preventing export of hydrogen ions from the cytoplasm across…

A: The process of flagellar movement involves the rotation of a filament-like structure attached to a…

Q: Once inside the cell, a virus particle can be transported across the cytoplasm by: a. lysosomes b.…

A: A virus is not a true cell. They are referred to as "particles" and are made up of nuclear material…

Q: Send me 4 scientific articles that show that cats should eat twice a day.

A: I can provide you with some relevant scientific articles on this topic. However, I must mention that…

Q: Which of the following answers best describes secondary sex characteristics? a. The characteristics…

A: Introduction  Physical traits that are secondary to sexual  characteristics emerge during Puberty…

Q: The sensory systems are complex and have the amazing ability to respond to different types of…

A: A sensory system is a complex network of organs, nerves, and cells that work together to detect,…

Q: The outer layer of a bone, consisting of a tough fibrous tissue. Heavily supplied with nerve fibers,…

A: Bones are rigid organs that make up the skeletal system of vertebrates. They are composed of a dense…

Q: An allele B, for white wool, is dominant over allele b, for black wool. In a sample of 1000 sheep,…

A:

Q: Site B has an assemblage that includes heavy fishing gear, many projectile points, and traps.…

A: Fishing gear refers to the equipment and tools used for fishing. There are many different types of…

Q: Identify which of the following are examples of temporal isolation. Two species have different…

A: Temporal isolation refers to a type of reproductive isolation in which two species breed at…

Q: Which of the following statements most accurately describes what happens when an antagonist binds to…

A: Receptor antagonist is a type of substance, receptor ligand or drug that binds to receptor and…

Q: An RFLP can be created by any mutational event that cretes or deletes a restriction enzyme…

A: Introduction: In the field of molecular biology, restriction fragment length polymorphism (RFLP) is…

Q: A cat's stomach can produce excess acidity if it goes hours without eating. Mention two scientific…

A: Cats are obligate carnivores, which means that they require a diet rich in animal protein to meet…

Q: Among the given statements. which ones are true for hemoglobin? Select the correct response(S). It…

A: Hemoglobin is a protein found in red blood cells that is responsible for carrying oxygen from the…

Q: Which of the following genes is believed to have resulted from a favorable mutation, and has been…

A: A favorable mutation is a genetic alteration that enhances an organism's ability to survive and…

Q: The process of digesting food requires work from the body. Why would you expect the body temperature…

A: ATP i.e adenosine triphosphate, is a chemical that transports energy inside of cells. It serves as…

Q: Which of the following phenotypes do you expect in a mouse that lacks adenylyl cyclase? a. They will…

A: Adenylyl cyclase is an enzyme that catalyzes the conversion of ATP (adenosine triphosphate) to cAMP…

Q: Elevated levels of NADH in the liver promote gluconeogenesis. I'm curious as to your thoughts on…

A: Gluconeogenesis is a metabolic mechanism that produces glucose from some non-carbohydrate carbon…

Q: A Chi-squared test can be used to analyse a genome-wide association study by testing for O a. the…

A: A genome-wide association study (GWAS) is a type of study in genetics that identifies genetic…

Q: Matching Question (Answers may be use more than once) Transmit sensory impulse to the teeth speech…

A: Note: Matching options for question 16 are missing! Post this question again with matching option!!…

Q: 7) The mammalian kidney is filled with over 1 million nephrons and this organ is considered a highly…

A: Kidneys are the complex excretory system consisting of nephron which is considered as the basic…

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.