What proportion of the population must be vaccinated to prevent measles from spreading?

Q: 32 29 31 30

A: Heart  is a muscular structure and is enclosed in a fibroelastic  sac derived from mesoderm , which…

Q: The deoxygenated blood gets oxygenated at the O spleen O heart alveoli O intestine

A: * Deoxygenated blood means the blood  has a low oxygen saturation to blood that is leaving the…

Q: Unsaturated fatty acids are commonly esterified at the hydroxyl substituent of glycerol at what…

A: Introduction Unsaturated fatty acids have one or more double bonds i.e. they have one or more…

Q: identify the role of ascobic acid in fruits and vegetables?

A: INTRODUCTION Plant products contain a variety of vitamins and minerals that are very useful for good…

Q: Match the following descriptions to the given choices. The first molecule in the biosynthesis of…

A: A hormone is a class of signaling molecules in organisms that play a important role in body.

Q: appeared in the fossil record? A. before fish and amphibians B. after amphibians C. at the same time…

A: Answer of the following questions are given :-

Q: 14 15 16+ 17

A: Answer 17-Superior vena cava 14 - Brachiocephalic trunk

Q: Structure that develops into the seeds Stigma 2- Style 3. Ovary Ovules 1- 4-

A: Flowers is most conspicuous part of plant which comprises of both accessory parts as well as…

Q: Misconception: Evolutionary theory implies that life evolved (and continues to evolve) randomly, or…

A: The genomic composition of populations varies throughout time, resulting in evolutionary change.

Q: What is the molecular explanation for the observation that the I band appears to shorten in a muscle…

A: The basic contractile unit of muscle fibre is the sarcomere. Each sarcomere is made up of two…

Q: A person who is severely underweight is at increased risk for: a. infection b. nutrient depletion c.…

A: *underweight leads to many health concerns like If a person is underweight  body may not get the…

Q: Cite three reasons as to why some animals use asexual reproduction.

A: The production of new individuals from a single parent is known as asexual reproduction.…

Q: Modern sponges produce microscopic spicules (right) to deter predation but, as the earliest animals,…

A: The biological classification put all the plants and animals into different groups and subgroups to…

Q: gametogenesis were non-meiotic

A: Cell division : Cell division is the process by which a parent cell divides into two or more…

Q: 15. Sticky structure where pollen enters the pistil 1- Style Stigma Anther 2- 3- Ovary 4-

A: Flowers are the reproductive portion of a plant. They are associated with reproduction, but at the…

Q: All are functions of lipids, except O precursor of steroid hormones O functional and structural…

A: A lipid would be any organic molecule that is water-insoluble. They consist of fats. The function…

Q: Which positions in immunoglobulin G are likely to have the highest mutation rates? Select all…

A: In the  structure of immunoglobulin G the region marked 1,2 and 6,7 are known are complementary…

Q: Misconception: Humans can’t negatively impact ecosystems, because species will just evolve what they…

A: The correction will be .. as it says in the above misconception , natural selection doesn't means…

Q: Which is NOT a general function of the cellular cytoskeleton?   A Structural support for the cell…

A: The cytoskeleton, which is found in the cytoplasm of all cells except bacteria and archaea, is a…

Q: Identify how many genes are associated with the types of crosses: A.) Monohybrid B.) Dihybrid

A: * Monohybrid cross is a cross between two organisms with different variations at one gene locus.…

Q: What is a myelin sheath?

A: The nervous system is the organ system that is associated with the function of signal transmission…

Q: What are some of the benefits and drawbacks of using insects as experimental animals in order to…

A: Insects are a kind of blessing to the field of genetics. Insects have been used since ancient times…

Q: If two Aa parents have a family of 4 children how many of the children do you predict will be albino

A:

Q: Members of which phylum are known as "segmented worm" Write about their body symmetry, mode of…

A: The segmented worms belong to the phylum Annelids.  Annelids are also known as ringed worms. It is a…

Q: Organisms      A     B     C    D      E             A             X     31   42    8     65…

A: From the table given it is observed the number of amino acids of five different organisms. We can…

Q: Give 5 advantages and disadvantages of transgenic organism.

A: Advantage of Transgenic organisms: 1. Production of Transgenic organisms increase crop yielding. 2.…

Q: Primary functions/Physiological Accessory Layer Tissue Type Structure processes Epidermis Dermis…

A: Epidermis:- Outer layer of the skin Dermis:- Inner layer of the skin Hypodermis:- Innermost layer of…

Q: Gonozoids continue the reproductive cycle by budding medusae. About how many maturing medusae are…

A: These are a few in number and re­stricted to the basal end of the hydrocaulus. The reproductive…

Q: Asexual reproduction does exist with numerous unique adaptations, but it is normally sexual with…

A: Reproduction is the biological process where new individual organisms (offspring) – are produced…

Q: .Two heterozygous individuals have six children, the probability of exactly four homozygous…

A: The binomial expansion theorem is used to predict the probability of unordered combination of…

Q: 4. After a group of deer migrated to a cold mountain, the thin-furred deer and average-furred deer…

A: The process by which individuals with beneficial traits survive and reproduce more frequently than…

Q: Define the term allele (try to put it in your own words if you can!). This would be a good time to…

A:

Q: Choose correct answers Scientific name should always be written in italic. )Authority of scientific…

A: There are numerous organism living on the earth . Learning of each and every organism is in itself…

Q: Would the oligonucleotide primers used in Lab 3 to detect the GFP transgene and GFP MRNA also detect…

A: Plants can spread mRNA silencing from cell to cell as well as over greater distances from roots to…

Q: 18.It stimulates biochemical activities that cause observable physiological responses by organisms.…

A: 18. Hormone  A hormone is any member of a class of signaling molecules in multicellular organisms,…

Q: which ecosystem would be most resilient to threats caused by global climate change?   A) Eastern…

A: Climate change is caused by human activities such as deforestation, pollution, ozone depletion, and…

Q: A researcher performed an SDS-PAGE experiment (with 2- mercaptoethanol) on a mixture containing 3…

A: To accomplish high resolution separation of complicated combinations of proteins, sodium…

Q: in Mouse Utopia Project Why did the mouse population end up extinct?

A:

Q: What event occurs to divide the sister cells in two during cytokinesis?

A: The completion of mitosis is usually accompanied by cytokinesis ,giving rise to two daughter cells.…

Q: 6. The anther and filament make up the 1- Pistil

A:

Q: Conduct additional research and explain where cases of XDR-TB are most prevalent today and the…

A: Extensively drug-resistant TB (XDR TB) is a rare type of multidrug-resistant tuberculosis (MDR TB)…

Q: How are mitosis and meiosis similar

A: Cell division occurs when a parent cell divides into two or more cells cell division is usually…

Q: 5) Types of coated vessicles help with coordinating intracellular transport. Which is an example of…

A: Here we know about intracellular transport through various types of coated vesicles.

Q: communication is one of the most extensively used modes of insect communication. What role do…

A: Insects- These are  small animal that has six legs.  In other worlds you can says that any of a…

Q: tch the following descriptions to the given choices. Enzyme involved in the conversion of…

A: Prostaglandin are active substances, having hormone like functions. Found in human at 1935 in semen…

Q: 14. The thin stalk of the stamen 1- Anther Style Stigma 2- 3- Filament

A: Plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae. The…

Q: What are signs and symptoms potential sickle cell (vaso-occulsive) crisis.

A: Potential sign and symptoms of Vaso-occlusive crises in sickle cell disease.

Q: Give four types of underground stem and give examples for each.

A: Stem shows underground, aerial and subaerial modifications.  It is modified to perform various…

Q: 17-1 Identify the cytoskeletal structures (black lines) depicted in the epithelial cells shown in…

A: Cytoskeleton is an intracellular network of protein filaments present in the cytoplasm of eukaryotic…

Q: Categorize the feedback mechanisms components below during BP regulation. stretch pressure receptor…

A: 1. Sensor  2 effector

Immune Disorders

The collaboration between the cells and proteins that work together as a defense system against infection comprises the immune system.Each of them performs a variety of tasks to recognize and/or react against a foreign body.