Explain why breastfeeding can have lifelong, favorable consequences for the development of infants in poverty-stricken regions of the world?

Q: Explain the difference between Ecosystem, Biodiversity, and Environment

A: Certain biology phrases refer to essential principles in biology, which is the study of life and liv...

Q: In flies, long wings (W) are dominant to short wings (w). Two homozygous recessive flies are crossed...

A: Given: In flies, long wings(W) are dominant to short wings(w). Dominant traits are always expressed ...

Q: If two gene pairs A and a and Band b are assorting independently with A dominant to a and B dominant...

A: Mendels principle of independent assortment states that the genes assort independently at the time o...

Q: Describe the probable root system of a crop which has been applied with frequent, light and widely s...

A: The root system is the component of the plant axis that descends (grows downward). The radicle is th...

Q: Aaron accidentally touched the hot kettle. Explain what happens using your knowledge of withdrawal r...

A: The somatic nervous system has long been thought to be a subset of the peripheral nervous system. Th...

Q: How are chromosomes named on the basis of their centromere placement?

A: A chromosome is a thread-like structure that exists in living cells. It is made up of genetic materi...

Q: A.) DNA encodes for the cell genome and is therefore a permanent copy to have a functioning cell. B...

A: The two statements given in the question are :  A.) DNA encodes for the cell genome and is therefore...

Q: What is the appropriate protein portion for women?

A: Proteins They are the most prevalent macromolecules in the body and are composed of monomeric units ...

Q: Which statement about N-linked glycosylation is correct? O N-linked oligosaccharides are attached to...

A: The modification of proteins can be done by adding carbohydrate molecules. These are called glycopro...

Q: The peptidoglycan layer of Gram-negative bacteria is embedded in between the outer and inner layer o...

A: In the ecosystem, there are single cellular and multicellular organisms.  Single cellular organisms ...

Q: There are no advantages to asexual reproduction

A: Asexual reproduction - in this process of reproduction there is no need of fusion of gametes .in thi...

Q: Describe one of the types of heterotrophs and what they eat

A: There are five types of heterotrophs are found on the Earth as given blow: 1.Carnivores eat the mea...

Q: Which of the following is the most defensible stațement to make about the role of haplodiploidy in t...

A: The correct answer is-  haplodiploidy is the primary factor responsible for sterile castes in ants,...

Q: . Illustrate the basic steps in DNA extraction

A: The genetic material that is densely packed inside the nucleus and chromosomes is known as DNA. The ...

Q: Which of the steps in the Z scheme is correct? O A. plastocyanin donates an electron to P680 O B. An...

A: As per bartleby guidelines we are only allowed to answer one question at a time, please post second ...

Q: Are these alleles common or rare in humans?

A: Allele is a variant form of gene, humans can be diploid if they have 2 allele, with each allele inhe...

Q: Question 5 Name 2 differences in the structural features of DNA and RNA and indicate the relevance o...

A: DNA and RNA are the two most common forms of nucleic acids. Nucleotides, which include a five-carbon...

Q: Which of the following statement is correct? a. In insertion mutation, an organic compound insert i...

A: Alternation of DNA sequence takes place in mutation which results in change in genotype and phenotyp...

Q: Which type of membrane transporter requires a gradient to move molecules across the membrane? O Volt...

A: A gradient of electrochemical potential is necessary for an ion movement across the membrane. The gr...

Q: Question 8 Predominant nucleotides during protein synthesis are the GTPS. A) True B) False

A: In DNA genetic code stores the information in the form of triplet nucleotides and this information i...

Q: Q3 Creating a lesion in a specific area of the brain allows researchers to  identify stimuli that a...

A: Answer 

Q: What type of molecule is shown here? Give its biological importance?

A: A protein is a naturally occurring, very complex molecule composed of amino acid residues linked tog...

Q: Explain how leaf surface area is correlated to plant transpiration and photosynthesis. Discuss the i...

A: 1.Transpiration :- Transpiration is the Universal process occuring in plant leaf specially is a wast...

Q: Cartilage-matrix proteoglycan has all of the following properties EXCEPT: O contains both N-linked a...

A: proteoglycan is composed of a protein with long chains of repeating disaccharide units termed glycos...

Q: According to Grimes model, which characteristics (life history traits) apply to individuals in the "...

A: Grime's Triangle:  According to Grime's only r(reproductive strategies) and k (competition strategie...

Q: Why is it important that different body structures have differentdensities of nerve innervation?

A: The palmar skin of the palms and the periorbital area of the face are by far the most highly innerva...

Q: Why is cholesterol important in the human body?

A: Sterols are substances that lack fatty acids yet possess fat-like characteristics. Each sterol is ma...

Q: define metabolism, anabolism, and catabolism, give an example of each

A: Given: All living organisms are made up of chemicals. These chemicals, small and big belonging to va...

Q: In your own words, explain the factors that lead to the Phenotypic variation and its importance to e...

A: The variability in phenotypes that exists in a population is hence referred to as phenotypic variati...

Q: If you (presumably a human) received a series of dental X-rays repeatedly in a very short timeframe ...

A: Exposure levels of the radiation during x-ray radiography is incredibly low. Radiation is toxic, but...

Q: Match A, B, C, D and E as the following: -Cortex -Xylem -Endodermis -Epidermis -Phloem

A: Higher plants contain a complex of conducting tissues (xylem and phloem), various dermal layers (epi...

Q: The A and B forms of DNA A both have 12 base pairs per turn of the helix B are both right handed hel...

A: B) are both right handed helices. Both A and B forms of DNA are right handed helices while the Z for...

Q: A student uses iodine to visualize cells under the light microscope. Iodine stains starch deep blue ...

A: A student uses iodine to visualize cells under the light microscope. Iodine stains starch deep blue ...

Q: ) Base excision repair requires polymerases. B.) In DNA repair by excision, the non-damaged strand ...

A: Solution : Correct option is d 

Q: Question 6 Describe in 4 steps the condensation of eukaryotic DNA to chromosomes. Describe each one ...

A: The DNA condensation is achieved by mitosis which is divided into prophase, metaphase, anaphase and ...

Q: The Rh factor is an antigen expressed on red blood cells and is controlled by a single gene. The dom...

A: The populations in Hardy-Weinberg equilibrium are considered not evolving. The allele frequency of t...

Q: Based on the restriction enzyme specificities given below, which will generate blunt ends? Restricti...

A: When a DNA fragment is subjected to the action of a restriction endonuclease enzymes, it cuts the DN...

Q: List the 6 kingdoms in the order in which they came to be. What two domains include a single kingdom...

A: The whole Earth is inhabited by a large number of organisms. These organisms are both unicellular an...

Q: ewing Microscopic Objects" section to identify one way you can manipulate your slide to increase con...

A: Answer: viewing microscopic objects section to identify one way you can manipulate your slide to Inc...

Q: In which solution did potato cell intracellular fuild reach equilibruim with the solution?

A: * During potato experiment we can see the potato may shrink and may swell and may be in no change it...

Q: a. Bacteria – Escherichia coli; Neisseria catarralis; Vibrio coma b. Algae – nostoc, anabaena, volvo...

A: BACTERIA Escherichia coli:- E. coli are harmless and actually are an important part of a healthy hu...

Q: 3. How are essential materials in the filtrate returned to the blood?

A: Introduction: Filtration is the process of transferring soluble components from the bloodstream into...

Q: chi-square

A: A chi-square statistic is a measure of the difference between the observed and expected frequencies ...

Q: 2. Why are paraphyletic groups considered as bad groups in a phylogenetic tree?

A: According to the question, we have to explain the reason that the paraphyletic groups are considered...

Q: N-linked oligosaccharides can be covalently linked to proteins at which amino acid? O Asn Gly Ser O ...

A: N-linked glycosylation is the process of attaching an oligosaccharide, a carbohydrate made up of mul...

Q: Where in the cell would you expect to find an activated, ligand-bound steroid hormone receptor?

A: The ligand-activated nuclear receptor superfamily includes steroid hormone receptors. These receptor...

Q: Just considering stripe 3, draw the expected pattern of expression for eve stripe 3 in a knirps mupw...

A: Introduction :  In case of Drosophila development , upto the mid blastula stage development controll...

Q: Why can we use drops instead of concentration to graph the data? What do we have to do experimentall...

A: concentration:  (1) The quantity of a sub-component (particularly a solute) in a solution. (2) The m...

Q: Please answer fast What was the dependent variable, independent varible and hypothesis of the paper...

A: Variables are defined as any type of characteristics that can deal with different values like age,  ...

Q: Please answer questions 2, 3, and 4

A: The number of heartbeats per unit of time is known as heart rate. Heart rate is usually represented ...

Spheres of physical activity

The spheres of physical activity experience include aspects of everyday life where physical activity is important. In general, the spheres recognize various purposes of physical activity in different contexts. The spheres of physical activity provide a broad basis for assessing the significance and prevalence of physical activity. There are seven spheres of physical activity experience.