Why would adults be more likely to have an allergy to an insect venom than a child? Give one hypothesis based on what you know about allergy development.

Q: The genetic map shows the location of three genes on a chromosome. Order the gene pairs based on the...

A: The technique of determining the positions of genes on chromosomes is known as gene mapping. The clo...

Q: How did the accidental invention of cheese help Ghengis Khan? (And who is Ghengis Khan?)

A: Genghis Khan's real name was Temüjin. 

Q: Spongy Bone

A: Red blood cells are formed in the red bone marrow of  the bones . stem cells are called hemocytoblas...

Q: Select the definition of a microsatellite. short pieces of DNA surrounding the periphery of the nucl...

A: Answer 

Q: How can you compare the structures of the five different kinds of flatworms?

A: Flatworms:- They are soft-bodied invertebrates usually much flattened acoelomate worms. Example:- Li...

Q: Create a diagram which illustrates the typical signaling mechanism of action of ligand gates ion cha...

A: Signal transduction can be defined as a process is while the signallimg molecule initiates the actio...

Q: Explain how fog forms off the San Francisco coast. For a complete answer, you need to use the follow...

A: The term fog is associated with the cloud that is comparatively closed to ground than to the sky. Fo...

Q: MicroRNAS attach to MRNA. In doing this, they... O Lead to the production of more protein O Lead to ...

A: The control of gene expression through micro RNA is dones mainly by binding with the messenger RNA (...

Q: Give your response to the following statement: “Eventually, all species become extinct. So it does n...

A: All the species present in a community interact with each other for resources.    

Q: Why are males  more prone to having x-linked recessive disorders? a. Because the y chromosome is sma...

A:

Q: Explain how coenzymes connect the light-dependent reactionswith the Calvin–Benson cycle

A: Photosynthesis is the conversion of light energy into chemical energy by phototrophs, which is then ...

Q: Explain why living things metabolize.

A: Answer : metabolism is the process of the chemical reactions which occurs in the body which changes ...

Q: Define the following terms that are commonly used describe colonies: 1.  Form -  2.  Elevation -  ...

A:  In microbiology, colony is a group of fungi,  bacteria and other micro-organisms which grows on sol...

Q: Sexual reproduction introduces genetic variation more frequently than asexual reproduction. Which pr...

A: In Asexual reproduction only single parent is involved in producing offspring because of that offspr...

Q: Sofia has suffered a head injury and can no longer speak. However, after rehabiliation she recovers ...

A: MRI - magnetic resonance imaging is a medical imaging technique used in radiology to form picture of...

Q: As a scientist, you need to develop an antiviral drug that will affect the attachment of bacteriopha...

A: The T phages are infectious phages  that is capable of infecting Escherichia coli. They are lytic ph...

Q: Rabbits may be classified as agouti, chinchilla, Himalayan, or albino according to coat color. A cro...

A: Rabbits may be classified as agouti, chinchilla, Himalayan, or albino according to coat color  We kn...

Q: Bombay effect.

A: Bombay effect The Bombay blood group, is a rare blood type. This blood phenotype was first discovere...

Q: What might happen to the contractile vacuoles in a paramecium if the organism were transferred from ...

A: The osmosis is the movement of solvent (water) across a semipermeable membrane from the higher water...

Q: Partial Question 6 Which of the following are true about replisome components at the replication for...

A: During DNA replication, the replication fork is a structure that arises within the long helical DNA....

Q: Most of the carbon dioxide that plants use for photosynthesis comes from______ . a. glucose c. rainw...

A: photosynthesis is the process that plants use to turn carbon dioxide and water into glucose and oxyg...

Q: How can we facilitate normal cell growth and division in the body?

A: What tells cells when and how to divide and when to quit is one of biology's most pressing concerns....

Q: A study by the CDC reported that only 73% of children in some areas of the United States are being a...

A: Vaccination is the procedure of injecting a lesser pathogen or a disease's weakened antigen into a h...

Q: 74. Copy Table 2 into your notebook. List three types of steroid molecules, and explain their purpos...

A:    INTRODUCTION      STEROIDS             Steroids are lipids. They are hydrophic and it is insolubl...

Q: 4. If several pea plants with the genotype TTYY are crossed with pea plants with the genotype Tlyy, ...

A: As per bartleby guidelines we are only suppose to answer one question kindly post the other one sepa...

Q: Which of the following is false? a. the pollen grain shape was studied by Mendel. b. Mendel believ...

A: Gregor Mendel is known as the Father of Genetics. He conducted experiments on the garden pea plants....

Q: What evidence established that lactose serves as theinducer of a gene whose product is related to la...

A: Introduction: A bacterial operon is a unit of genomic expression that is tightly coordinated. It was...

Q: 4. Comparative Morphology Data. Using your text and prior knowledge, determine the morphological cha...

A: Characteristics table attached below If character is present mark in "+", and if absent mark in '--'...

Q: To avoid or lessen sunburn while in the aquatic facility, generously apply sunscreen. Reapply every ...

A: The first statement is correct as the generous application of sunscreen avoids and lessens sunburn. ...

Q: In minotaurs, an allele for round horns (R) is dominant to an allele for straight horns (r). At a se...

A: Dominant allele frequency (p) =.4 p + q = 1 q = 1 -.4 =.6  p 2  +q 2 +  2pq  = 1    The proportion o...

Q: Motor neurons innervating the digits are derived from spinal cord segment________, and then under go...

A: Answer :- Motor neurons innervating the digits are derived from spinal cord segment of muscles and g...

Q: You are living through history due to the Covid-19 pandemic and now have real-world experience relat...

A: COVID-19 is the biggest global event and challenge of our lifetimes, Mostly this pandemic has left o...

Q: Explain why living things need to reproduce and discuss the types of reproduction

A: Reproduction is the process by which an independent individual is brought into existence by a preexi...

Q: I. Apply your knowledge on the basic structure of amino acids by creating a polypeptide chain that i...

A: The amino acids are the basic structural unit of proteins that contain an alpha carbon which contain...

Q: Explain anatomy of gymnosperms

A: Gymnosperms are 'seeds bearing plants' that have their ovules exposed i.e., ovules are without ovary...

Q: Please complete the following question: (attached is the question & the table)

A: Nitrogen, Potassium, Calcium, Magnesium, and Phosphorus all are essential elements for the growth an...

Q: What is the morphology of the following cells:       streptococci     diplobacilli  ...

A: There are four basic shapes of bacteria - (i) coccus: spherical shaped (ii) bacillus: rod shaped (ii...

Q: Which of the following drugs would least likely cause mydriasis?  Cyclopentolate Isoproterenol Epine...

A: 1.The drugs Isoproterenol,epinephrine,Atropine, Glycopyrrolate are cause mydriasis. Answer is 1 for ...

Q: 1. Calculate to prepare a 100 g fish feed that includes 45% crude protein (CP), using Fish meal with...

A: Pearson square method is a simple method to calculate contributions of two or more ingredients in a ...

Q: Describe the fluid mosaic model of cell membrane structure.

A: The cell membrane is also called as plasma membrane, it is membrane which is separate interior envir...

Q: Could you give me the answer?

A: 1. Sitting in one place for long hours have many negative effects on our overall health. It results ...

Q: Which of the following exhibits Invoked Organization? * i. Regal Angelfish ii. Orb web spiders iii. ...

A: Although each living and non-living entity in the world appears to follow its unique pattern, a clos...

Q: What are three organs found in Platyhelminthes that were not found in Cnidari

A: Flatworms are more advanced than cnidarians. Cnidarians are diploblastic whereas Platyhelminthes ar...

Q: how do organisms without a swim bladder behave?

A: * swim bladder is also called Air bladder and Gas bladder. *Swim bladder is an internal organ which ...

Q: Which level(s) of protein structure can you find the a helix and the B pleated sheet? CHECK ALL THAT...

A: Introduction:- A protein molecule is much larger than a sugar or salt molecule, and it is made up of...

Q: List at least one reason why arteriole vasoconstriction helps mammals function and survive

A: *The arterioles main function is to regulate the blood flow r intravascular pressure bu undergoing c...

Q: Can you help me identify the pointed structure thanks

A: There are various kinds of glial cells present in central (CNS) and peripheral nervous system (PNS)....

Q: How do we know that bacteria regulate the expression ofcertain genes in response to the environment?

A: Regulation of gene expression in prokaryotes occurs at several levels such as transcription and tran...

Respiratory Infections

Respiratory infections are infectious diseases of the respiratory tract that are mostly caused by bacteria and viruses. They cause infections of the throat, sinuses, airway path, and lungs. Respiratory infections are typically divided into two types: upper tract respiratory infection and lower tract respiratory infection.