How many nucleosomes are involved per turn of the spiral arrangements of the chromatin fiber?

Q: Draw a typical eukaryotic gene and the pre-mRNA and mRNA derived from it. Assume that the gene conta...

A: Introduction Eukaryotes are organisms that consist of a cell or cells containing DNA in the form of ...

Q: 5. Provided with the following data, compute the corresponding CFU/ml of the original culture. Assum...

A: One of the techniques in microbiology for culturing the microbes is the spread plate technique. The ...

Q: Describe three key amniote adaptations for life on land.

A: The amniotic egg provides protection to the embryo and allow it to develop on land, eliminating a wa...

Q: The difference between an integral membrane protein and a peripheral membrane protein is that the in...

A: Peripheral protein:   They dnot enters into the membrane, only associated with membrane prteins or ...

Q: Does species diversity promote primary productivity?

A: The term ecology is associated with studying of ecosystem that is comprised of living beings present...

Q: a gamete of a FISH-X has 32 chromosomes, how many of each of the following structures will be presen...

A: Kindly post remaining questions because as per Bartley guidelines experts can solve max of 3 subpart...

Q: Samantha is a toddler who eats grapes every day but refuses to try other types of fruit. Which one o...

A: Grapes are good source of potassium but not eating other fruits will cause lack of other nutrients l...

Q: What are the types of eggs based on their yolk content? What patterns of cleavage will they undergo ...

A: As per bartleby guideline we are suppose to answer only 1 question. Please post the other question s...

Q: How is hydroponics used in plant physiology?

A: Introduction: Hydroponics is the technique of culturing the plant in a solution of nutrients.It is a...

Q: In the figure below, each number represents a species. The closer two numbers are on the diagram the...

A: A . Genus Cephalotus contains only one species i.e. Cephalotus follicularis . It is  an Australian p...

Q: The filtrate is dilute at the start and end of the loop of Henle. What, then, is the function of the...

A: Introduction: The bladder, ureters, kidneys, and urethra makes up the renal system. This system is n...

Q: DIHYBRID CROSS: In rabbits, assume that spotted skin (G) is dominant over non-spotted skin (g) and t...

A: Dihybrid cross is a breeding experiment between two organisms which are identical hybrids for two tr...

Q: Compare and contrast analogous, homologous and vestigial

A: The living creatures such as birds , fishes etc. are included under the animal kingdom. These organi...

Q: Examine the diagram carefully, and then answer the question below. i vi This diagram shows... • DNA ...

A:

Q: 29. Students of a STEM section conducted a yeast fermentation lab on their General Biology 1 class. ...

A: 29) Given that * The experiment was conducted with yeast. *And the setup with sugar and yeast increa...

Q: What are the culture media that can be used for cultivating non-specific and specific microorganisms...

A: A microbiological culture medium is a substance that promotes the growth, support, and survival of m...

Q: The following DNA nucleotides are found near the end of a bacterial transcription unit. 3′–AGCATACA...

A: Introduction  Deoxyribonucleic acid is a molecule made up of two polynucleotide chains that coil aro...

Q: What are the histone types found in the octamer wrapped by DNA strands?

A: H2A, H2B, H3, and H4 are the four proteins that make up core histones, and they're all found in equa...

Q: The A and B forms of DNA A are both left handed helix B are both right handed helices both have 12 b...

A: Introduction:  B-DNA is the most commonly found form of DNA in nature. This form of DNA is very narr...

Q: Explain why triglycerides have a glucose-sparing effect.

A: Introduction :- Blood sugar, often known as glucose, is the most common sugar found in the body. It ...

Q: Trends and statistics: connection between HBV and HIV

A: HBV and HIV both are blood borne viruses transmitted usually through sexual contact or blood, inject...

Q: Which of the following is defined as the division of the cytoplasm?     interphase     mitosis ...

A: All living beings have cells, which are the most basic fundamental unit of life. Cells are responsib...

Q: What is RNA editing? Explain the role of guide RNAs in RNA editing.

A: RNA, or ribonucleic acid, is one of the three primary biological macromolecules required for all kno...

Q: The FDA finds that chickens across the US are infected with a new type of bird-flu. They determine t...

A: The given code sequence is the mRNA and this undergo into translation process to form the amino acid...

Q: Please answer all questions if possible.  -B-Raf is not overexpressed in cancer though shows altere...

A: B raf is a protooncogene that produce BRaf protein. This protein plays role in regulating MAP KINASE...

Q: An ecosystem has an average of 50 cm of rain per year. Look at the rainfall g of lower than average ...

A: Biotic factors - Biotic factors are living components or variables that influence an ecosystem or th...

Q: Question 7. is the difference in appearance between adjacent parts of an object or an object and its...

A: A microscope is a device that magnifies items that would otherwise be too small to see, creating an ...

Q: ..... On the diagram of a DNA molecule above, select the letter that labels the each component liste...

A: DNA  Deoxyribonucleic acid is the genetic material of almost every eukaryotic organisms.

Q: What is the concept of hydroponics in plant physiology

A: Introduction:- Growing plants requires soil as a supply of nutrients and minerals. It also allows ga...

Q: Explain how cephalization, jaw development, and paired limbs guided vertebrate evolution. Include th...

A: Cephalization-it  is the process in by which nervous tissues become concentrated in the head.

Q: Do the differences among plant species result in higher levels of primary production than would be p...

A: Primary production represents the amount of carbon fixed by the process of photosynthesis in a given...

Q: protein that charges its conformation ( and often its activity) when it binds a regulatory molecule ...

A: Answer -  Ligase -  The RNA primer is responsible for initiation of DNA synthesis are removed by act...

Q: If a population triples in size in a year, what is the per capita growth rate?

A: Introduction: Populations are unique groups of people, whether they're a nation or a group of people...

Q: Why is the left ventricle more muscular than the right ventricle?

A: The human heart is divided into two halves: left and right. The right atrium receives deoxygenated b...

Q: Why do you think tuberculosis is still a relevant and fast- growing disease in the whole wide world?

A: Tuberculosis is a major problem in the world's poorest countries. There is growing resistance to ant...

Q: What is the significance in an aquatic ecosystem ?

A: Aquatic ecosystems perform numerous valuable environmental functions. They recycle nutrients, purify...

Q: The average amount of blood pumped each minute by a healthy heart is about: 70 mL 10 liters 490 ml 5...

A: The cardiovascular system is composed of the heart, blood, and blood vessels including arteries, vei...

Q: How does penicillin binding stop the enzyme from functioning?

A: Penicillin: It is a class of antibiotics. Penicillin was generated from Penicillium moulds. There ar...

Q: What is the effect of increased atmospheric CO2 and reduced ocean pH on skeleton formation in marine...

A: All living organisms that live in the ocean are adapted to the underwater environment. There are sev...

Q: Which of the following phrases does not describe a function of the promoter?a. Serves as sequence to...

A: Promoter sequences are DNA sequences that define the start of RNA polymerase transcription of a gene...

Q: True OR False. During interphase, the chromosomes are tightly bound and visible under a light micros...

A: In interphase  chromatin is in relaxed state and appears loosely distributed throughout the nucleus....

Q: QUESTION 16 Unit 3 is titled "The Hearth Belt: North Africa and Asia" because all of the following "...

A: North africa and asia is considered as one of the great cradles of human civilization.  It is the he...

Q: What will be the quantitative effects of feedbacks such as the release of methane and carbon dioxide...

A: Permafrost is also known by the name of frozen grounds. Permafrost is described as soil that is pres...

Q: In a nucleosome (histone-DNA structure), the histone is highly positively charged. O True False

A: Histones help in the condensation process of DNA.

Q: Define term reninangiotensin-aldosterone system?

A: Cells, tissues, organs, and organ systems are all interconnected and share an internal environment. ...

Q: Explain the term pathogens.

A: The immune system is one of the most critical systems in the body, assisting an individual in fighti...

Q: Bacteria are the most common GMOs because their simple structure permits easy manipulation of their ...

A: Recombinant DNA is a technique for cutting and pasting DNA sequences of interest using enzymes.

Q: How are detergent molecules similar to phospholipid molecules in plasma membranes? Explain the mech...

A: Introduction:  Phospholipids are the class of lipids that are a major component of all cell membrane...

Q: The cell walls of fungi are strengthened by chitin, a strong but flexible polysaccharide. Which of t...

A: Fungi are group of eukaryotic organisms. 

Q: Define malignant

A: Haematology is a branch of medicine that concerns physiology, pathology, diagnosis, treatment and ae...

Oogenesis

The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase. 

Cell Division

Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons: