The potato arrived in Europe via the “Columbian Exchange.” Explain.

Q: fa restriction endonuclease recognizes and cleaves a linear piece of DNA and Circular DNA at 8…

A: Restriction endonuclease  These are also known as restriction enzymes. These enzymes have been…

Q: Which of the following individuals would most benefit from a low sodiun O a. Joey is a 5 year old…

A: The World Health Organization recommends that adults decrease their sodium intake to decrease their…

Q: A review of the phylogenetic tree shows a common ancestor for these vertebrates. Which statement…

A: Phylogenetic tree of vertebrates showing common ancestor.

Q: What results are expected if you drop H2O2 into a cut on your arm? Explain why those results are…

A: Answer

Q: 1. What hookworm penetrate into the skin and causes potbelly of malnutrition, microcytic and…

A: INTRODUCTION Parasites These are organisms that lives in a host and take food from the host…

Q: In a well-publicized paternity case, the following facts were determined: the mother, a beautiful,…

A: Child is type O and mother is type A than father should be :-

Q: How do proteases liberate bioactive peptides from various protein sources? Give different examples…

A: Proteases, also known as proteinases or proteolytic enzymes, are a large group of enzymes that…

Q: To examine: Whether the statement “All hormones secreted by arthropods such as crabs and insects are…

A: The main distinction between vertebrates and invertebrates is that invertebrates lack a…

Q: 2 AXIS (left side) '3

A: In frog the axial skeleton has a skull, vertebral column, sternum and ribs.

Q: .The.. . technique of Ziehl- Neelsen known as Kinyoun Method .A cold .B fast .c hot .D .The carbol…

A: Bacteria are ubiquitous , microscopic , prokaryotic organisms which neither possess nucleus nor…

Q: Where is the actual exchange of oxygen and carbon dioxide take place?*         a. Veins       b.…

A: Artery, vein and capillary are three types of blood vessels in our body. They facilitate the blood…

Q: To determine: The hormone which is present in higher amounts in blind women and protects the from…

A: Cancer is a state or condition in which cells grow uncontrollably. Cancers come in a variety of…

Q: What is meant by the description "antiparellel" regarding the two strands that make up DNA?

A: DNA is a double stranded molecule which is composed of two long polynucleotide chains. A nucleotide…

Q: What is the DNA template for the RNA sequence 5' UAACGGAGCCUAAUC 3'? O 5' GAUUAGGCUCCGUUA 3' O 5'…

A: In reverse transcription, RNA is "reverse transcribed" into DNA. This process, catalyzed by reverse…

Q: Describe the synthesis of the leading strand during DNA replication. Assume the replication bubble…

A:

Q: THERE IS A SMELL OF DAMP EARTH IN WATER IS CAUSED THE PRESENCE THEREIN OF 1. iron ions 2. zinc,…

A: Introduction The earthy aroma produced when rain falls on dry soil is known as petrichor. Petrichor…

Q: In which of the following does nitrogenous base pairing (base complementarity via hydrogen bonds)…

A: Nitrogenous base pairing can include DNA-DNA, DNA-RNA, RNA-RNA pairing. Both DNA and RNA are made up…

Q: 1. Which of the following is true? A. Carnivores eat both animals and plants B. Omnivores eat both…

A: Introduction :- A carnivore is an organism that eats predominantly meat or animal flesh. Carnivores…

Q: 1. Which of the following is true? A. Carnivores eat both animals and plants B. Omnivores eat both…

A: Note: As per the guidelines, since all these questions are not interlinked the first three have been…

Q: How does HIV defeat the human immune system?

A: HIV stands for Human Immuino deficiency Virus and upon infecting human causes AIDS (Acquired Immuino…

Q: How can higher altitudes affect the respiratory rate? What happens if a person drinks alcohol after…

A: Introduction  The human body can acclimate to high altitudes both quickly and gradually. The human…

Q: HIGHEST WATER MINERALIZATION IS OBSERVED IN WATER SOURCES 1. surface 2. groundwater 3. interplastic…

A: Mineralisation is the addition of minerals to the water. Mineralisation of water occurs naturally…

Q: Which statement is not true of endoplasmic reticulum? A. There is smooth and rough endoplasmic…

A: The endoplasmic reticulum (ER) is a network or reticulum of tiny tubular structures scattered in the…

Q: So far we have discussed changing environments affecting your species at risk. Changing environments…

A: Introduction Environmental effect:- It is the result of environmental impacts on human health and…

Q: Decomposing organic matter in soil is called______ . a. clay d. silt b. humus e. sand c. topsoil f.…

A: Introduction In the soil, there are numerous bacteria and other microbes that can breakdown organic…

Q: SILICOSIS CAN OCCUR BY INHALATION 1. dust containing free silica 2. coal dust 3. asbestos dust 4.…

A: Side effects of silicosis generally show up after numerous long periods of exposure. In beginning…

Q: The nucleotide sequence of one DNA strand of a DNA double helix is 5’-GGATTTTTGTCCACAATCA-3’.What is…

A: Introduction DNA is an organic molecule that includes genetic information as well as instructions…

Q: Complete the following statements to describe cutaneous and proprioceptors. Not all cholces will be…

A: Cutaneous receptors are located in the skin and propioreceptors are located in the muscles and…

Q: What management implications arose from Clements’ theory of succession? How hascontemporary…

A: 'A developmental process through which the community underwent a well-defined series of stages that…

Q: ROOM FOR VISITORS PHARMACIES - BACTERICIDAL LAMPS, SHIELDED, BECAUSE 1. air in the trading floor has…

A: 1. Air in the trading floor is highly contaminated  Indoor health care is important it significantly…

Q: THE MAIN INDICATOR OF ERIDEMIOLOGICAL RELIABILITY IN WATER DISINFECTION IN WATER SUPPLY STATION (AT…

A: Introduction To kill bacteria in drinking water and swimming pools, chlorine and chlorine-based…

Q: Secretors (genotypes SS and Ss) secrete their A and B blood group antigens into their saliva and…

A: Given: Secretors (genotypes SS and Ss) secrete their A and B blood group antigens into their saliva…

Q: In Drosophila, the following genes and mutations are known: Wingsize – recessive allele for tiny…

A:

Q: To explain: The reason why injecting excess insu could impair brain function.

A: The blood glucose or sugar level in our bodies is maintained by insulin, a hormone produced by the…

Q: AT ELEVATED PRESSURE NITROGEN HAS AN EFFECT 1. causes oxygen starvation 2. leads to the formation of…

A: Answer

Q: During DNA replication, the function of RNA primers is to O serve as a binding site for DNA ligase…

A: Primer is a short sequence that is synthesized by primase (a type of RNA polymerase) enzyme before…

Q: A 3S Center that is a project of Valenzuela City is what category of health care delivery system? 35…

A: There are three levels of healthcare delivery system. These are: Primary Secondary  Tertiary

Q: 10 13 2 16 CERVICAL (coudal view)

A: There is one cervical vertebra present in frog (the atlas is the only cervical vertebra in the frog.…

Q: What is the difference between the systole and diastole and their pressure?

A: The cardiac cycle involves events and patterns of contraction and relaxation of heart to complete…

Q: Which of the following statement does NOT conform why cardiovascular diseases (CVD) are considered…

A: The term cardiovascular disease refers to any ailment that affects the heart or blood vessels. It's…

Q: What is the type of the following variable? double num 12.345; %3D char int string double

A: The type of data contained in a variable is indicated by its data type.

Q: Sugar transport from leaves to roots occurs by_______ . a. a pressure gradient inside sieve tubes b.…

A: The vascular system in a plant is made up of conducting tubes like xylem and phloem. The prepared…

Q: Which of the following individuals would most benefit from a low sodium diet? O a. Joey is a 5 year…

A: Introduction :- A systolic pressure of less than 120 and a diastolic pressure of less than 80 is…

Q: Question 20 The natural increase in appetite that is commonly experienced by individuals who are…

A: Ghrelin is a hormone. Its primary role is to regulate appetite and also facilitates the function of…

Q: mucus cell (arrow d) in simple columnar epithelium a B. the plasma membrane(arrow a), a nucleus…

A: Answer

Q: savanna biomes

A: Biomes are defined by their unique vegetation and animal life.

Q: Which of the following is NOT one of the principal factors that sustains life on earth? - the…

A: Earth is the planet with life having a consistent flow of energy,  water bodies and atmosphere that…

Q: Prove if the statement is TRUE or False with complete solution.   At a dilution factor of,…

A: Data on colonies grown after plating pasteurised milk samples is provided. Because each cell…

Q: birds, trees, etc.) increases from the poles to the equator. Ecologists do not know exactly why, but…

A: Species richness is the measure of biodiversity.  The more the species richness of a area, the more…

Q: We run the HinDIII-digest of lambda-DNA as the standard ladder on the gel. Number the largest…

A: Restriction enzyme or restriction endonucleases are the enzymes that cleaves DNA at specific sites…

Human Evolution

Human evolution is the process of evolution of humans from early man to anatomically modern humans. The process of evolution in humans leads to the gradual development of traits like bipedalism. Humans are the highly social animals that make them the most advanced animal on Earth.  Human evolution is an outcome of interaction among the following processes: