Calculate the rate of photosynthesis (mm/hr) for Elodea if when measuring net photosynthesis, the water level moved up 3 mm from the initial level in 20 min, and when measuring cellular respiration it took 15 minutes for the water level to move down 1 mm.

Q: Write a short note on: Adaptations of plants to water scarcity

A: An adaptation is a change that worked out well for a plant or animal. Plants adapt in many ways to b...

Q: Where does the 5’ cap come from ?

A: 5' cap(5 prime cap) is a modified guanine nucleotide which is added to the first nucleotide (5' end)...

Q: Regarding the process of DNA replication, it is correct to state that: a) Nucleosomes are maintaine...

A: Answer c) DNA polymerase requires a previously annealed deoxynucleotide to add the next monomer bein...

Q: What kind of specimen is the given picture and what is its epithelium

A: Simple columnar epithelium All cells are tall, some lined by microvilli. Lines the lumina of digest...

Q: A chromosomal mutation that occurs during meiosis may or may not be expressed in an organisms offspr...

A: Mutations are changes in DNA sequence during a cell division. 

Q: Vaccines typically contain particles that are pieces of the virus or bacteria they target. How do yo...

A: Answer- d) the particles act as antigens, against which the person's immune system will develop anti...

Q: 2. Describe the phenotype of individuals whe inherit two copies of the Hbs allele whq Sickle-Cell Di...

A: * sickle cell Anemia a is blood disorder due to mutation will leads to change in shape of cells into...

Q: How do plants benefit from symbiotic associations with bacteria? With fungi?

A: Microbe growing in the lab necessitates the use of specialized media. The media comprises a variety ...

Q: 1. Which is a more definite characteristic to show relatedness of two organisms? A. Similarity in de...

A: Since you have asked multiple questions , we will solve the first question for you. If you want any ...

Q: Why do you need to always focus slides initially using the x10 objective, even if you wish to use a ...

A: A microscope is a device that magnifies an object so that it can be seen by the observer. Because ce...

Q: i. Name the specific subdivision of the nervous system that the muscle at arrow A would belong to. i...

A: i- central nervous system ii- smooth muscle tissue

Q: How does island biogeography affect species distribution?  Discuss the differences in species distri...

A: Biogeography is a study of distribution of species across a geographic plane and shape  

Q: Your protein has a pI of 8.34 and is in a pH 7 buffer. Which of the chromatographs below would you u...

A: *Cation exchange chromatography is an ion exchange chromatography used to separate molecules based o...

Q: ttached web resources to complete the chart below on the different types of Artificial Selection and...

A: With the advancement in technology several techniques are used to ensure the most effective solution...

Q: As consumers you and I essential roles in diminishing the food industry’s injustices. Child slavery ...

A: The Coffee industry uses most child labour. 

Q: The pedigree below shows the inheritance of red-green colorblindness, an X-linked recessive trait (X...

A:  X chromosome of son is always comes from the mother. Only Y chromosome comes from the father . Any ...

Q: The colligative properties depend on the concentration based on the solvent. True O False

A: The given statement is true . The colligative properties depend on the concentration based on the so...

Q: What are the general reasons of animals' existence in each era: Cenozoic, Mesozoic, and Paleozoic?

A: Coenozoic --- It took a catastrophic event to rid the planet of dinosaurs. Luckily for mammals, the ...

Q: Words to Know Fill in this table as you work through the lesson. You may also use the glossary to he...

A: 1) Law of independent assortment  2) Dominant trait 3) Alleles  4) Recessive trait

Q: What are genes / genes and what is their biological significance?

A: Gene The gene is to genetics what the atom is to chemistry. The gene is the unit of genetic informa...

Q: However the EPAS1 gene which increases the ability of red blood cells carry oxygen even in low envir...

A: Natural selection can be defined as a forces;which results in differential survival among genetic va...

Q: desiccation: the ova or the sperm? Justify your stand. Provides means

A: Solution : sperm is more prone to desiccate quickly. Once sperm is DRY it is dead and cannot travel ...

Q: A researcher mutagenized a group of butterflies and isolated six butterflies with extra-long bodies....

A: This table based on complementary test. In this table crossing of 5 and 6 dose not showing complemen...

Q: 2. From the zygote, pluricellular organisms are formed by serial mitosis. Would this formation be po...

A: The "cell cycle", also known as "cell division", is a set of processes that occur in a cell leading ...

Q: How much agarose powder (g) would you use to make a 50 ml, 1.4% agarose gel?

A: Introduction:- Agarose powder is a linear polysaccharide that forms a gel when it is mixed with wate...

Q: Regarding eukaryotic genes, it is correct to state that:  a) Distal enhancer-like elements decrease...

A: Eukaryotic cell has a true nucleus surrounded by a nuclear membrane which separates the nucleus from...

Q: What kind of specimen is in the picture and what is its epithelium

A: Epithelium is the type of body tissue that forms the covering on all internal and external surfaces ...

Q: 10. What are the problems that vertebrates needed to solve to adapt to the terrestrial environment s...

A: Some of the problems faced by vertebrates included: Water retention (dehydration) Excretion Protect...

Q: DNA polymorphisms can be used as DNA markers. Describe the differences between SNPs and STR polymorp...

A: DNA markers can help link an inherited disease with the responsible gene. the most common types of m...

Q: 1. Refers to the phase which it ensure that important cell-cycle events occur in the correct sequenc...

A: Cell cycle is a process occurring in the cells for them to divide, grow and replicate. The two proce...

Q: Is allosteric inhibition competitive or noncompetitive?

A: Introduction :- When molecules that are substantially similar to the substrate molecules bind to the...

Q: If you had to choose between losing function of your B or T cells, which would you choose, and why?

A: INTRODUCTION B cells Type of lymphocytes that are responsible for humoral immunity. T cell This is a...

Q: How is synaptic transmission terminated in the synapse or at the terminal button?

A: ANSWER;- The neurotransmitter termination can happen in three ways. To start with, reuptake by astro...

Q: 00 000 Epithelium-Mesenchyme transitions (MET or EMT) are crucial morphogenetic events occurring dur...

A:   1) formation of mesoderm from the primitive ectoderm via gastrulation.   2) formation of nephron e...

Q: What is the purpose of respiration?  What are the inputs, products, and energy required or gained? H...

A: Respiration is the process that breakdown sugar and produces energy for metabolic reaction. 

Q: A conditional mutation expresses its mutant phenotype only under certain conditions (the restrictive...

A: A conditional mutation expresses its mutant phenotype only under certain conditions (the restrictive...

Q: GC/L what does the E and GC/L stand for in water measurement?

A: EOP - electro-osmotic-pulse GCL - geosynthetic liners

Q: How would you distinguish a trait caused by a sex-linked recessive allele from  one caused by a sex-...

A: Introduction  : sex linked gene - when  genes present on sex chromosome they are known as sex linked...

Q: Results of Task 1: Include your observations for urine culture and swab culture. Provide a provision...

A: Ans) INTROUCTUION P. gingivalis – which are responsible for many forms of gum disease – can migrate ...

Q: What are the various constituents of domestic sewage? Discuss the effects of sewage discharge on a r...

A: Domestic sewage refers to both solid and liquid wastes created in residences as a result of human ac...

Q: Why is RNA-dependent RNA polymerase(RdRp) so important for RNA viruses ?

A: Virology is a scientific study of viruses and diseases related to the viruses. 

Q: How can you know what happened millions of years ago if no one was there to see it  Explain

A: Every living creature on the planet has the potential to evolve into something. Cells adapt to perfo...

Q: List all the wastes that you generate, at home, school or during your trips to other places. Could y...

A: Plastic bags, paper napkins, toiletries, kitchen garbage (such as vegetable and fruit peelings, tea ...

Q: 3' -T ACATC T T G G C GAC GAC T-5' Mutated DNA Sequence #1: MRNA sequence? (Circle the change) Amino...

A: 1)DNA - 3'- TAC ACC TTG GCG ACG ACT-5' mRNA - 3'- AUG UAG AAC CGC TGC UGA-5' Amino acid sequence – M...

Q: Give a brief account of viruses with respect to their structure and nature of genetic material. Also...

A: Given: The term virus was given by Pasteur.The term virus means venom or poison.Virus was discovered...

Q: For a conservation biologist interested in sustaining populations of the organisms below, why would ...

A: A forest-breeding warbler that suffers poor nesting success in small, fragmented forest patches. Ha...

Q: Predict the numbers of DNA fragments and their sizes if Lambda phage DNA were incubated and cleaved ...

A: Molecular genetics experienced a new era with the discovery of restriction endonucleases. The phosph...

Q: During diffusion an individual particle moves: A) randomly toward the region of lower concentration ...

A: Diffusion It is the processes of mass transfer of individual molecule of a substance because of rand...

Q: In organism A, blue skin colour is dominant over yellow. If, heterozygous blue-skin of organism A we...

A: The alleles are the alternative forms of a gene that are located on the same locus of a homologous c...

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.