Human Histology *Refer to the attached photo and answer this question: What is the function of the tissue pointed by the arrow?

Q: Cytokinesis in Plant Cells • A plant cell has a rigid cell wall covering its cell membrane ( plasma…

A: When a parent cell divides into two or more daughter cells, this is referred to as cell division.…

Q: The reasons why it can be hard to tell different species apart.

A: Evolution is defined by changes in the outward appearance or behaviour of members of a population.…

Q: What are some potential harms to consider? A study providing a Tai Chi program for older adults in a…

A: Tai Chi is a program specially for the elderly which claims to relieve them from their muscle pain…

Q: To explain: The adaptive radiation and describe the process by which it might arise.

A: Introduction According to the Evolutionary theory proposed by Darwin, every living organism changes…

Q: Explain why genetically modified food be banned? why not?

A: Introduction :- Genetic modification is a type of gene technology that modifies the genetic…

Q: Give 4 different kinds of reproductive isolation.

A: Reproductive isolation Reproductive isolation is a mechanism by which members of different species…

Q: Choose an enzyme or therapeutic protein of high market value. Explain the biological process used to…

A: Glucocerebrosidase is a lysosomal enzyme that catalyzes the breakdown of glucocerebroside intosugar…

Q: All mutations are passed on to the next generation. True False

A: A mutation is a change in the DNA sequence of an organism. Mutations can result from errors in DNA…

Q: Match each term (about the human nervous system) with its correct description elow. myelin sheath 1.…

A: The control and coordination of functions in  humans are performed by the nervous system. The…

Q: a. What is the expected phenotype of an a cell in which HMRa has been deleted? [Select]

A: HMR is a cryptic mating type gene site  in yeast. The information from HMR is transferred by HO…

Q: Explain why each choice (a-d) is correct or incorrect.  A vaccine is effective because  a. The…

A: Vaccine contain weak or inactive parts of particular antigen that triggers an immune response…

Q: To determine: How could an individual determine whether the squirrels with black fur are same…

A: Speciation is an evolutionary process that results in the formation of new, distinct species. It…

Q: Which one of the following amino acids is essential for humans? A. Threonine B. Alanine C. Aspartic…

A: Introduction Amino acids are molecules that form proteins when they combine. The building blocks of…

Q: The biological species concept and discuss its limitations.

A: Definition: - A biological species is defined as a group of organisms that can mate freely with one…

Q: a. What would be the outcome if a cell did not arrest in G1, and then mated in S with a G1-arrested…

A: At G1 check point cells decide whether or not they proceed . G1 checkpoint check the cellular…

Q: How is this trait inherited? I 멋 = IV 1 1 2 O 2 3 O 1 Y-linked O X-linked recessive O autosomal…

A: Pedigree analysis is a chart that represents a family tree, which displays the members of the family…

Q: (4) Zebra Mussels are a highly Invasive Species. When they are introduced to a new ecosystem, they…

A: Fish are aquatic animals that live in the sea, rivers, lakes, and oceans. Individuals increasingly…

Q: What is the melting temp. of the following double-stranded DNA fragment…

A: Melting temperature of the DNA is the temperature at which half of the DNA becomes single stranded…

Q: In the lab, a group of students is carrying out the reaction described and graphed in the previous…

A: The reaction happens when there is effective collisions between the reactant molecules.  The…

Q: What is the answer for A?

A: A dihybrid cross is the mating between two individuals with varying traits for two characters. For…

Q: Describe an example of an environmental change to happen to these monkeys that over many…

A: Evolution Evolution is defined as the process by which organisms adapt to their natural environments…

Q: Explain why each choice (a-d) is correct or incorrect. In clonal selection of B cells, which…

A: B cell expresses receptors ,that are specific to distinct antigen,  is determined before…

Q: Explain the process of an action potential. Be sure to include synaptic transmission in your…

A: ANSWER;- as the action potential arrives at the axon terminals voltage-gated Ca2+ channels open and…

Q: when bred together produced 12 hearting puppies and 4 deaf puppies. What are the genotypes of all…

A: Congenital deafness in dogs (or other animals) can be acquired [caused by intrauterine infections,…

Q: B-oxidation of a 15:0 fatty acid will result in the production of O 7 acetyl CoA, 7 FADH2, and 7…

A: The beta oxidiation occurs in a number of the small cycle steps.    Each cycle gives 1 NADh , 1…

Q: Down 1 Mutations that lead to a premature stop codon being inserted into an mRNA and shortens the…

A: 1. Nonsense (mutation) 2. Nucleotide 4. Oligonucleotides 6. Polymerase 7. Silent (mutation) 8.…

Q: Put the following terms in their correct order from the simplest to the most complex. Skin cell,…

A: Introduction The gastrointestinal tract, as well as the digestive organs, comprise the human…

Q: Which of the following can you do to prevent foodborne illnesses? A. Clean your hands and produce B.…

A: To prevent food borne illeness -  Clean hands properly  Separate meat and non meat during…

Q: How does the defence system avoid attacking self-antigens?

A: INTRODUCTION Immune system This is a system including some processes and organs that helps us to…

Q: Discuss the use of gene therapy in treating cancer.

A: ANSWER;-

Q: Do you expect operons to occur extensively in Eukaryotes? Yes or no and explain.

A: Operons (clusters of co-regulated genes with related functions) are a well-known feature of…

Q: Only natural selection result in evolution. True O False

A: Biological diversity broadly describes the evolution of life from genes to ecosystems, including…

Q: Only answer please, no need to explain… Thank you for your time. i:  Modification of the 5 prime…

A: Answers :  i) capping    ii) all of these    iii) transcription

Q: the GIT's important functions to systemic and cardiac circulation.

A: Nutrition and the Cardiovascular system Nutrition is directly related to what and how much we eat.…

Q: Kindly provide 2 examples plants having "adaptations for climbing" including  (i) mechanical…

A: Different adaptations helps the plants in growth and survival. There are several climbing…

Q: Given a primer sequence 3’- CTGGGAAACATTCTGGAT - 5’, compute for the melting temperature of this…

A: Melting temperature of primer can be defined as a temperature at which one half of the DNA double…

Q: When you bring your hand to your shoulder, your biceps muscle ____ and your triceps muscle ____.…

A: The biceps are located on the front of the upper arm and provide arm flexion, while the triceps are…

Q: Explain why each choice (a-d) is correct or incorrect. A flu vaccine is needed seasonally to be…

A: ANSWER;-d)The flu has several strains that change seasonally. Explain;- The flu vaccine needs to…

Q: Draw the actual set -up from the time the tissue specimen is received up to the time…

A: Introduction Microscopic experiments of cells and tissues necessitate the creation of thin, and…

Q: B. LEAF ADAPTATION The main function of the leaf is in the processes of photosynthesis and…

A: As per our guidelines you are not allowed to answer more than three sub parts at a time please ask…

Q: 8. A steroid hormone was found to be abnormally high in a person who perennially suffers from…

A: Steroid hormones are mainly released by the adrenal glands present ,above the kidneys. Adrenal…

Q: What are some of the environmental factors which influence the rate of transpiration? Discuss the…

A: Transpiration is the biological process by which water is lost in the form of water vapour from the…

Q: When handling fresh fruit, the best time to wash hands is A) before eating. B) after eating. C) when…

A: When handeling fresh fruits , the best time to wash hand is  before eating.

Q: A Drosophila egg that is bed lbcd may develop normally, but the adult fruit fly will not be able to…

A: Bicoid genes The bicoid gene or the bcd genes in drosophila are important genes that control the…

Q: Jane started taking estradiol and progesterone immediately after the start of her menstrual period.…

A: The menstrual cycle begins after puberty and occurs every month and stops after menopause. It…

Q: Vascular plants evolved to have the apomorphic characteristics that enabled them to grow with…

A: Vascular plants These are plants that have specialized vascular tissues; xylem and phloem. These…

Q: Draw, label and describe the leaf type and leaf arrangement of the species c) Lygodium sp…

A: Lygodium spp. (Climbing fern) Climbing fern is known as it can climb trees, shrubs and related…

Q: Draw, abel and describe the leaf type and leaf arrangement of the species a) Salvinia sp (floating…

A: Introduction Ferns are plants that do not have flowers, they reproduce by producing spores, Similar…

Q: One evident apomorphy evolved in vascular plants is the establishment of true leaves which is…

A: Plants can be divided into vascular plants and avascular plants. Vascular plants contain vascular…

Q: A begins as a short segment of the double helix is unwound by A.The RNA polymerase binds to the…

A: Gene expression Gene expression is the process by which a gene is inside for its specific product.…

Dissection

Dissection is the process of cutting up the tissue of a dead or live animal or plant, to do anatomical studies and surgical treatments. The purpose of dissection is to learn more about the overall structure of organs and organ systems and thereby understand the physiology of the organism.