Q: Propagation of action potential and transmission mean: current flow along the cell membrane cur...
A: Introduction: The action potential is the name given to the brief series of events that occur in the...
Q: the gene order for three linked genes being studied is A B C. The number of recombinants resulting f...
A:
Q: The mechanisms of evolution that we have learned contribut organisms we have today. We can see these...
A: Endangered species are any species that is at risk of extinction because of sudden rapid decrease in...
Q: 4. Thomas Morgan collected the following crossover gene frequencies while studying Drosophila. Bar-s...
A: Cross over map: it is constructed by using cross over frequency. More the value of cross over freque...
Q: Sexual adjustment is best viewed as a relationship issue, not just one partner’s problem. T or F?
A: Human beings are social animals. The first man on Earth was a cave man. No societal rules and regula...
Q: QUESTION 10 You are creating a set of Daphnia mutation accumulation (MA) lines to determine mut...
A: Mutation is defined as the change in the nucleotide sequence or chromosomal structure resulting in v...
Q: analysis of eukaryotic cells and how they differ from prokaryotic cells.
A: Eukaryotic cells include plant cells and animal cells and they differ from each other by the presenc...
Q: Identify and explain what insects are expected to have the most sclerotized heads? Does an exoskelet...
A: Scelerotin is typically a brown coloured substance found in cuticles of insects. Scelerotin is forme...
Q: Lesson 3.5 Water and Wind Erosion Quiz Active 1 4. 7 8 10 Which method best helps to prevent wind er...
A: Introduction :- Soil erosion is a slow process that occurs when water or wind detaches and removes s...
Q: Enumerate few functions of bacterial capsule.
A: Given: Bacterial capsule is also called the slime layer. It is polysaccharide and polypeptide rich a...
Q: How would you describe earth of millions year ago
A: It is believed that our planet Earth is about 4.54 billion years old. About 3.5 billion years ago t...
Q: B. If a gamete of an unknown animal species has 44 chromosomes, how many each of the following struc...
A: Introduction: For sexual reproduction to create offspring, two gametes must fuse, each with a comple...
Q: Aerobic Respiration Chart Aerobic Respiration Location (Euk/Pro) ATP ATP used produced Type of produ...
A: Aerobic respiration is a process of cellular respiration takes place in the presence of oxygen to pr...
Q: QUESTION 4 Which of the following is required for activation of the adaptive immune system" O Activa...
A: Adaptive immune response is generated when innate immune system cannot eliminate the pathogens.
Q: Analyze how human actions affect the health of an environment. Use the lion fish as an example.
A: Introduction Humans have been constantly exploiting the resources of nature in order to fulfil the ...
Q: What the grandparents' genotypes are? Why doesn’t the father (II-1) have the disease breast cancer?...
A: Genetic inheritance is the process by which genetic information is passed from the parents to the pr...
Q: Name an evolutionary force that decreases genetic variation in a population.
A: Some of the mechanisms that come under evolutionary forces are mutation, genetic drift, gene flow an...
Q: Why can humans not survive by drinking seawater? Explain using osmosis.
A: Introduction: Osmosis is diffusion of water or solvent through a semi-permeable membrane from the re...
Q: Discuss the role of the regulator in relation with DNA damage and recombination in the article histo...
A: Candida glabrata, is species of haploid yeast, it is a nosocomial fungal bloodstream pathogen, thi...
Q: What makes it possible for endergonic reactions to proceed in organisms
A: Endergonic reaction are the one where the energy is absorbed from the surrounding.
Q: Eukaryotic chromosomes are thousands of times longer than a typical cell. Explain how chromosomes ca...
A: The DNA double helix is wrapped around (this DNA molecule is too long to fit inside the cell so the ...
Q: The endocrine system is composed of glands that secrete hormones that regulate the activity of diffe...
A: The pituitary gland is called the master gland because hormones secreted by it control the activitie...
Q: DNA replication
A: Introduction:- DNA, also known as deoxyribonucleic acid, is a nucleic acid molecule. A 5-carbon deox...
Q: Which of the following statement is not false? Cellulose containing foods can be consumed by humans ...
A: Human cannot digest cellulose. But we eat food rich in fiber that makes up plant cell walls. Nucleo...
Q: A mass in the adrenal gland was found incidentally on a CT scan in a 40-year-old male patient. True ...
A: Adrenal glands are situated above the renal gland and so the name. It is a small gland which makes s...
Q: he cuticle is a complex non-cellular layer secreted by the epidermis. It is the seat of complex proc...
A: The main composition of hemolymph in insects is water, other substances includes amino acid, hormone...
Q: what kind of microscope is used for cellular structure and why?
A: Microscopes are scientific instruments used to investigate items that are too small for the naked ey...
Q: i need the answer quickly
A: The cytoplasm is the cell organelle present in the cell, it is mainly present in plant cells and som...
Q: Multiple Alleles:
A: Given: Gene mutations may produce many different alleles of a gene. Some genes may have as many as 3...
Q: What are the roles of ATP and NADPH in photosynthesis?
A: Photosynthesis is a process that plants and other living things use to convert light energy into che...
Q: On Monday, the average blood glucose of 10 humans before ingesting 50 grams of pure glucone was foun...
A: Solution:- Glycaemic index (GI) is a scale which is used to rank the carbohydrate consisting food. T...
Q: upper motor neurons: lower motor neurons
A: Answer- option D- UPPER MOTOR NEURONES AND LOWER MOTOR NEURONES.
Q: Please answer in detailed explanation about these animal cloning questions a. What is animal clonin...
A: The term cloning refers to number of different processes that leads to production of genetically ide...
Q: In birds of paradise that populate tropical rainforest ecosystems, bright colored beaks and feathers...
A: In the ecosystem of tropical rainforests, most of the birds have bright colored beaks and feathers. ...
Q: Explain what is meant by the term homologous chromosomes ?
A: Chromosomes are condensed forms of chromatin that are visible during cell division. They were found ...
Q: What does a cofactor do?
A: A biomolecule that is not a protein is referred to as a cofactor. Any metal ion or organic molecule ...
Q: 3. The following chart shows the crossover frequencies for some genes on an autosome of organism Z. ...
A: Linkage is the phenomenon in which two gene exist on the same chromosome . When genes exist on diffe...
Q: Which of the following comprise a DNA helix structure? A. Carbohydrate backbone B. Nitrogenous...
A: 1. DNA helix is a double stranded DNA helix structure . Helix structure means the both strand of DNA...
Q: Molecule #T ajvvnat up? (Cal Lipiu, Acid). b)Within the group, how would you classify it? CH̟OH a) H...
A: First molecule shown is a monosaccharide. Different or same monosaccharides join via glycosidic link...
Q: ical reaction, the are converted to products. Select all that apply. reactants J enzymes O catalysts...
A: A chemical reaction is a process in which one or more substances called reactants are converted to o...
Q: What are two main criteria for sustainable process analytics in the bioreactor?
A: Bioreactor is a type of fermentation vessel that used for protection of many chemicals and biologi...
Q: 1. In a three-point testcross, the nonrecombinant progeny are A* B* C* and a b c. The double- crosso...
A: Q. In a three-point testcross the nonrecombinant progeny are A+B+ C+ and a b c. The double crossover...
Q: kin first evolved in vertebrate (backboned) f
A:
Q: there is a type of epithelial tissue called pseudostratified. Why?
A: The tissues associated with enveloping human body’s exposed surfaces can be described as the epithel...
Q: Identify and explain the process by which cells expel materialsin bulkb
A: The movement of chemicals through the cell membrane is referred to as cell transport. The ability of...
Q: Determine the coefficient of coincidence and the interference for these three loci.
A: Coefficients of coencidence =0.530 Interference - 0.47
Q: What is the most likely order of the linked genes R, S, and T if the distance between R and S is 22 ...
A: A linkage map, also known as a genetic chromosome map, is a linear graphic representation of the seq...
Q: ACTIVITY 10.4.1 To understand the entire glycolytic pathway better, kindly complete the table Struct...
A:
Q: One of the biggest drawbacks of cell culture is the amount of time and materials required to produce...
A: Answer :- By and large, the most widely recognized issues incorporate strange development designs or...
Q: What is genetic disorders? Explain by giving an example.
A: Genetics is described as the branch of biology that focuses on the study of genes, their inheritance...
Step by step
Solved in 2 steps
- Question 21 Fill in the blanks. Innate immunity and adaptive immunity has memory; is specific is nonspecific; has no memory is specific; has memory O is nonspecific; has memoryQUESTION 1 An epitope associates with which part of an antigen receptor? O The heavy-chain constant regions only O The light-chain constant regions only O The tail Variable regions of a heavy chain and light chain combinedQUESTION 4 Which of the following is required for activation of the adaptive immune system? O Activation of complement proteins O Inflammation O Memory cells O Presentation of antigen
- QUESTION 4 Explain the events of inflammation process in animal immune system.Class I major histocompatibility complex molecules are found on O all anucleated cells. O antigen-presenting O all nucleated O None of the choices are correct. QUESTION 67 Important characteristics of antimicrobic drugs include O readily delivered to the site of infection. O high toxicity against microbial cells. O remains active in body tissues and fluids. do not cause serious side effects in humans. O All of these choices are correct. QUESTION 68 Antibodies O can bind to an immunogen. O are part of the nonspecific immune response. O can target the immunogen for destruction. O both can bind to an immunogen and can target the immunogen for destruction. O both can bind to an immunogen and are part of the nonspecific immune response.Question 39 Which antibody rises in this graph. PRIMARY IMMUNE RESPONSE Antibody concentration First antigen 1 exposure 4. Time (weeks) O IgE IgG O IgA IgD O IgM Antibody concentration In plasma
- Question 18 sponse. Interferons are produced by O all healthy cells to prevent viral infection. O virus infected cells. O bacterial infected cells. O all healthy cells to prevent bacterial infection.QUESTION 4 A person with agammaglobulinemia: cannot produce antibodies cannot produce interferons does not have functional cell-mediated immunity makes too many antibodiesQuestion 62 62. Host Defenses. Which cell makes antibodies? O cytotoxic T lymphocytes O helper T lymphocytes O B lymphocytes/plasma cells CD4+ T cells
- QUESTION 2 Which type of molecule recognizes macromolecules that are present in/on certain groups of pathogens? Complement proteins Histamines Interferons Toll-like receptorsQuestion 9 of 14 Which of the following acts as a signal for the dendritic cell to begin cross-presentation? Presence of self-reactive CD4 T cells O Expression of endoplasmic reticulum (ER) chaperones calnexin and calreticulin O Phagocytosis and processing of extracellular antigens O Cytokine release following the activation of engaged CD4 T cells Question 10 of 14 Which of the following are true about MHC class I and MHC class II peptide loading? Select all that apply. MHC class I peptide loading occurs in four steps. Peptide loading of class I molecules generated from intracellular proteins occurs in the endoplasmic reticulum. MHC class Il molecules are loaded before they are part of a vesicle capable of fusing with a phagolysosome. Peptide loading of class Il molecules occurs later in the secretory pathway than that of MHC class I molecules.Question 59 59. Host Defenses. Which part of IgG will bind to antigen? Fab O Fc O "tail" of light chain "tail" of heavy chain