What is crenation in biology cell?

The term comes from the Latin word crenatus which means ‘scalloped or notched’. In biology and zoology, the term refers to an organism displaying the shape (such as a leaf or shell), while in chemistry, crenation is used to describe what happens to a cell or other object when it is exposed to a hypertonic … Read more

Is the DNA of father and son the same?

Each son receives DNA for his Y chromosome from his father. This DNA is not mixed with that of the mother, and it is identical to that of the father, unless a mutation occurs. It has been estimated that a mutation occurs about once every 500 generations, or every 15,000 years, give or take a … Read more

Whats does biology stand for?

The word biology is derived from the greek words /bios/ meaning /life/ and /logos/ meaning /study/ and is defined as the science of life and living organisms. An organism is a living entity consisting of one cell e.g. bacteria, or several cells e.g. animals, plants and fungi. What does the letter A stand for in … Read more

What is an enhancer in gene expression?

In genetics, an enhancer is a short (50–1500 bp) region of DNA that can be bound by proteins (activators) to increase the likelihood that transcription of a particular gene will occur. These proteins are usually referred to as transcription factors. Enhancers are cis-acting. Is an enhancer DNA or protein? Enhancer sequences are regulatory DNA sequences … Read more

What are two examples of a niche?

For example, within the market for women’s shoes are many different segments or niches. Shoes for vegan women would be a niche market, as would shoes for plus-sized women or shoes for nurses. Nearly every market can be further refined, or divided, by the specific needs and preferences of its constituents. What is niche in … Read more

What is meant by biological niche?

In ecology, the term “niche” describes the role an organism plays in a community. A species’ niche encompasses both the physical and environmental conditions it requires (like temperature or terrain) and the interactions it has with other species (like predation or competition). What is an example of a niche in biology? An example of an … Read more

What is biology in answer?

Biology is the study of life. The word “biology” is derived from the Greek words “bios” (meaning life) and “logos” (meaning “study”). In general, biologists study the structure, function, growth, origin, evolution and distribution of living organisms. What is a biology simple definition? Biology is a branch of science that deals with living organisms and … Read more

What does it mean to be hypertonic in biology?

A solution will be hypertonic to a cell if its solute concentration is higher than that inside the cell, and the solutes cannot cross the membrane. What does hypotonic mean in biology? A hypotonic solution has a lower concentration of solutes than another solution. In biology, a solution outside of a cell is called hypotonic … Read more

What is carrying capacity and why is it important?

The carrying capacity of an area determines the size of the population that can exist or will be tolerated there. Biological carrying capacity is an equilibrium between the availability of habitat and the number of animals of a given species the habitat can support over time. What is carrying capacity in biology quizlet? Carrying Capacity. … Read more

What is the common meaning of variation?

variation. / (ˌvɛərɪˈeɪʃən) / noun. the act, process, condition, or result of changing or varying; diversity. an instance of varying or the amount, rate, or degree of such change. What is an variation in biology? Biological variation or variance can be defined as the appearance of differences in the magnitude of response among individuals in … Read more

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