In a normal eukaryotic gene, if there are 7 introns, how many exons are present?.
Answers
In a normal eukaryotic gene with 7 introns, there would be 8 exons present.
In a normal eukaryotic gene, the number of exons can vary depending on the specific gene. Exons are the coding regions of the gene that are transcribed into mRNA and ultimately translated into protein. Introns, on the other hand, are non-coding regions that are interspersed between exons.
Given that there are 7 introns mentioned in the question, it implies that there are 8 separate regions within the gene: 7 introns and the coding sequence consisting of exons. Therefore, the number of exons would be 8 - 1 = 7.
It is important to note that this is a general assumption based on the information provided. The actual number of exons can vary for different genes, and some genes may have a different exon-intron structure altogether. The exact exon count would depend on the specific gene being analyzed.
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Related Questions
A food chain in an ecosystem flows from green algae, to freshwater snails, to small fish, and finally to large fish.
Answers
The primary consumer would is freshwater snails.
Explanation:
Producers are organisms that produce their own food and not depends on any other organism by the process of photosynthesis such as algae. Primary organisms on the other hand directly depend on the producers for their food and often get killed by secondary consumers.
Freshwater snails are the perfect example of the primary consumer as they get their food and energy from algae and are the primary source of food and energy for small fishes.
What is the difference between a law, principle, fact, theory, and a hypothesis?
Answers
Answer:
A hypothesis is a limited explanation of a phenomenon; a scientific theory is an in-depth explanation of the observed phenomenon. A law is a statement about an observed phenomenon or a unifying concept.
Genetics is the scientific study of heredity? True False
Answers
Answer:
true
Explanation:
genetics is the study of heredity in organisms and heredity is the process of passing traits from parents to offsprings
Answer:
Scientific Study
Explanation:
Genetics is the study how heritable traits are transmitted from parents to offspring
Which component of roots is a differentiating region?
A. Stele
B. Cork
Answers
Answer:
if im mistaken, is it not apical meristem?
A. Stele
Explanation:
The stele is located in the region of differentiation. "It is found at the center of the root, bound by the pericycle. It contains the vascular tissues, xylem, phloem, and cambium."
Cork and apical meristems are undifferentiation and responsible for primary and secondary growth respectively.
Edmentum confirmed.
Which is the site of anaerobic respiration in a cell.
a)chloroplast
b)cytoplasm
c)nucleus
d)vacuole
Answers
Which contributor studied plants and noticed
that all plant parts from the roots to
the leaves were composed of
cells.
Answers
German botanist Matthias Schleiden discovered in 1838 after studying a huge number of plants that all plant are made up of several cell types that make up their tissues.
Who made the discovery that all plants are formed of cells, which helped to advance the cell theory?The cell idea was created by German botanist Matthias Jacob Schleiden and Theodor Schwann. The cell was first described as the fundamental unit of plants by Schleiden in 1838, and then an additional year later by Schwann as the fundamental unit of animals structure.
Who invented plant cells?Under the microscope, Hooke saw tiny, box-like holes in cork, which he illustrated and categorised as cells. He had discovered plant cells! Hooke's discovery established the basis for the notion of cells by demonstrating that cells are the smallest components of life.
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Every few
years, a farmer plants clover in a wheat
field. Explain how this practice might
benefit the farmer.
Answers
This practice will benefit the farmer in fixing the nitrogen in the soil
What is clover?
Clover is a member of the distinguished legume family. On the roots of legumes are bacteria that can convert atmospheric nitrogen into a form that plants can use. Plants utilize nitrogen in large quantities since it is a component of chlorophyll. The farmer enriches the soil with plenty of nitrogen and organic matter by planting clover and plow it beneath. A crop would be seeded after allowing the organic matter to decompose.
Advantages of clover in agriculture:
Clover is a Fixer of Nitrogen.
Clover is a legume crop that is a member of the bean and pea plant family. It helps the soil fix nitrogen. In other words, it works with helpful bacteria to convert nitrogen gas that is present in soil air pockets into stable organic molecules that feed nearby plants.Animals Love It
Because it is so nutrient-rich, clover provides farmers with a high-protein meal for their animals and enhances digestibility. Leaner meat and more nutrient-rich milk are produced as a result of reducing mineral deficiency, which can cause a number of illnesses and problems.Additionally, clover can be used as poultry feed for chickens, geese, and birds (and even humans - clover is edible and its colorful flowers can really make a salad pop).Positive insects and pollinators I adore it, too
Honey bees are drawn to the readily available nectar found within the small florets of white clover and crimson clover, which is why clover honey isn't simply a smart name. Clover, dandelions, and other "weeds" have been eliminated, and this has resulted in a sharp fall in bee populations, according to scientists.Hence clover practice is beneficial to farmers
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Your colleague has collected some sediments from a mangrove swamp and then grows the bacteria from those sediments on an agar plate to determine the concentration of bacteria in those sediments.
a) Describe why the resulting bacterial concentration is an underestimate of the actual concentration of bacteria in those sediments.
b) State what method they should have used instead to more accurately determine the bacterial concentration.
Answers
From the question;
1) It may have been underestimated sue to visibility bias
2) The method of direct microscopic count or direct cell count can be employed.
What about the bacteria?On the particular agar medium employed, not all bacteria contained in the sediments may be viable or able to grow. Some bacteria might no longer be culturable or in a dormant state, which limits their capacity to grow into colonies on the agar plate. This viability bias may lead to the underestimate of the bacterial population by excluding a sizable fraction of it.
A direct microscopic count entails using a microscope to directly observe and count bacterial cells. Without the bias imposed by culture-based approaches, it provides a more thorough count of bacterial cells, including viable and non-viable cells.
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What are 5 ways to prevent non communicable diseases?.
Answers
Quit smoking, eat well, exercise, keep an eye on your blood pressure, manage your diabetes, and assess your stress.
Why is it important to fight non-communicable diseases?Chronic diseases, often known as noncommunicable diseases, are the main cause of death and incapacity worldwide. They account for more mortality in high-income countries than in low-income ones, accounting for seven out of every ten deaths in the United States.
What exactly does communicable illness prevention entail?Don't share towels between washes or personal items that can't be cleaned, such toothbrushes and razors. Safely handle and prepare food. Always wash produce before eating it.
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in appositional growth, chondrocytes within cartilage divide and secrete new matrix.True or False
Answers
True. Chondrocytes, which are the cells in charge of creating and maintaining the cartilage matrix, divide and secrete new matrix during a process called appositional growth,
which results in the growth of cartilage.
Within cartilage, chondrocytes divide and secrete new matrix during appositional growth. cartilage that has become calcified. Two diaphyses and one epiphysis could define a long bone.
As opposed to interstitial growth, which occurs when the chondrocytes within the present cartilage matrix divide and produce new matrix, in the latter case.
Chondrocytes in the perichondrium, the cartilage's outer layer, divide and secrete new matrix as the appositional growth process progresses.
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True or False? Organelles such as the mitochondria and the golgi apparatus are found floating around in the cytoplasm in the cell
Answers
Answer:
True
Mitochondria and goigl apparatus are found floating around in the cytoplasm in the cell.
2 QUESTIONS ONLY EASY!!!
Answers
The statement that supports the theory of evolution is A, "They are evidence that the animals had a common ancestor."
A, The stages of development of the embryos of different organisms are extremely similar, thereby suggesting common ancestors" explains how comparing the embryos of different organisms supports the theory of evolution.
How does these factors determine evolution?Homologous structures are anatomical features that have a similar structure but may serve different functions in different organisms. The presence of homologous structures among different species suggests that these species share a common ancestor and have evolved from a common evolutionary lineage.
Comparing the embryos of different organisms reveals striking similarities in their early stages of development. These similarities indicate a shared ancestry and provide evidence for the theory of evolution. In the early stages of development, many organisms, regardless of their adult forms, display common features and structures.
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Which line represents a reaction with an enzyme? (A or B)
Answers
Answer:
b
Explanation:
Answer:
B
Explanation:
Line b is closer to the enzyme, and that is making it closer to the reactants and the products. the course of reactants is going right, and the top line is going left, so there fore it is the bottom line, or line b.
Which microfossils are useful for paleotemperature determination
using the oxygen isotope ratios of their shells?
Answers
The microfossils that are useful for paleotemperature determination using the oxygen isotope ratios of their shells are foraminifera.
Foraminifera are tiny marine animals that have been living for millions of years. Their shells are made up of calcium carbonate and are well-preserved in sediments. The shells of these microorganisms are widely used in paleoceanography to determine past climatic conditions. Paleoceanography is the study of the history of the oceans in the geological past using sediments and fossils. It helps us to understand how the oceans and climate have changed over time.
Paleotemperature is the measure of the temperature that existed in past geological ages. The temperature is determined by various means, including studying the growth rings of trees, ice cores, and microfossils, and others. Microfossils are microscopic fossils that are found in rocks and sediments that help in reconstructing past environmental and climatic conditions.
Oxygen isotope ratio is the measure of the relative abundance of oxygen isotopes 18O and 16O in a sample. The ratio of the two isotopes changes as a result of temperature changes. The ratio is used to reconstruct past temperature changes.
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Organisms under the taxonomic group Animalia are
A all single-celled autotrouphs
B sometimes mulit-celled autotrophs
C sometimes single-celled heterotrophs
D all multI-celled heterotrophs
Answers
Answer:
D all multI-celled heterotrophs
Explanation:
All living with organisms have been classified into kingdoms. One notable kingdom is Kingdom ANIMALIA. Members of kingdom Animalia are characterised by their HETEROTROPHIC nature i.e. they depend on other organisms for energy source.
Animals are all multicellular i.e. more than one cell and eukaryotic (membrane-bound nucleus). They are heterotrophs, which obtain their food either by saprophytism, predation, etc. Hence, according to this question, all members of the taxonomic group Animalia are multI-celled heterotrophs.
Answer:D
Explanation:
:11
DIRECTIONS: Complete the table. Write down a situation for each agent that
causes the breaking down of rocks.
Agents Situation
Man
Plants
Animals
Wind
Temperature
Water
Answers
Agents Situation
Man Quarrying or construction activities
Plants Tree roots growing through cracks in rocks
Animals Digging burrows or tunnels in rocky areas
Wind Abrasion and erosion by wind-blown particles
Temperature Freezing and thawing cycles cause expansion and contraction
Water Flowing water eroding rocks in a river or stream
Man
Quarrying or mining activities where heavy machinery and tools are used to extract rocks from the Earth's surface.
Plants
Plant roots grow in cracks or crevices of rocks, exerting pressure and causing them to break apart.
Animals
Burrowing animals like rabbits or groundhogs dig tunnels and destabilize rocks in their path.
Wind
Strong winds carry small abrasive particles like sand, which impact and erode the surface of rocks over time.
Temperature
Cycles of heating and cooling causing thermal expansion and contraction, leading to cracks and fractures in rocks.
Water
Freezing and thawing of water in the cracks of rocks, causing expansion and subsequent breaking apart of the rock structure. Also, fast-flowing water in rivers or streams carries sediment and continuously exerts pressure on rocks, leading to erosion and eventual breakdown.
These situations highlight various natural and human-induced processes that contribute to the breaking down or weathering of rocks.
It is important to note that these agents often work together in complex interactions to cause rock degradation over time.
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Is there equity in the worlds energy consumption?
Answers
Answer:
Yes.
Explanation:
es puto el q respondió primero
To begin this problem, write out the equation used to calculate genotype frequencies for a population in HW. Which term in the equation are you being asked to solve for in this question?
a. p^2
b. 2pq
c. q^2
Answers
To begin this problem, the equation used to calculate genotype frequencies for a population in HW is p² + 2pq + q² = 1. The term being asked to solve for in this question is q². The correct option is c.
The Hardy-Weinberg equilibrium equation is used to calculate genotype frequencies for a population.
The equation used to calculate genotype frequencies for a population in HW is:
p² + 2pq + q² = 1
Where:
p² = frequency of homozygous dominant individuals in a population
q² = frequency of homozygous recessive individuals in a population
2pq = frequency of heterozygous individuals in a population
We are being asked to solve for the frequency of homozygous recessive individuals in a population, which is c. q².
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What is the salinity of normal sea water? *
A. about 35 parts per thousand
B. about 40-45 parts per thousand
C. about 17 degrees Celcius
D. about 1.025 grams/ml
Answers
Answer:
Option (B)
Explanation:
Seawater, or salt water, is water from a sea or ocean. On average, seawater in the world's oceans has a salinity of about 3.5% (35 g/l, 35 ppt, 600 mM). This means that every kilogram (roughly one liter by volume) of seawater has approximately 35 grams (1.2 oz) of dissolved salts (predominantly sodium (Na+
Competition between two kangaroos over a common mate would be
Answers
Answer:
intraspecific competition
Explanation:
The organs in the human body perform specific functions for survival.
Organ A delivers blood to the body
Organ B delivers oxygen to the body
Organ C delivers messages to the body
Which of the following correctly identifies the organs that perform each function above?
Organ A is the heart, Organ B is the brain, and Organ C is the lungs
Organ A is the heart, Organ B is the lungs, and Organ C is the brain
Organ A is the lungs, Organ B is the brain, and Organ C is the heart
Organ A is the lungs, Organ B is the heart, and Organ C is the brain
Answers
Organ A is the heart
Organ B is the lungs
Organ C is the brain
Because heart only delivers blood to lungs and other body tissues, Lungs input oxygen into the blood and brain sends signals and messages to the body parts.
This is the answer. Hope it helps you
Answer:
B) Organ A is the heart, Organ B is the lungs, and Organ C is the brain
Explanation:
How can Polaris be located in the sky? the brightest star in the northern hemisphere by using Orion as a guide the last star in Cassiopeia by lining up the last two stars in the Big Dipper
Answers
Explanation:
many people think Polaris is the sky's brightest star.... that's because it's located nearly at the north celestial pole, the point around which the entire Northern sky turns..... shining in the northern sky every night, from northern Hemisphere locations.... diagram or big Dipper with arrow from two stars to Polaris.
Can you please watch and answer how you feel after? Its about the ocean it a trick the human mind plays. It will be in the comments! Erase spaces!
Answers
Watch what..............??
Answer:
Sorry, what video? I don't see any video.
Explanation:
Anyways, the ocean is quite precious and there are many documentarys that show that. I love the marine life!
A student draws a diagram of an E.coli cell, which is a type of bacteria. He draws and labels the cytoplasm, the cell membrane, DNA, and mitochondria. What is one problem with his diagram?
A
Bacterial cells do not have DNA.
B
Bacterial cells do not have a cell membrane.
C
Bacterial cells do not have cytoplasm.
D
Bacterial cells do not have mitochondria.
Answers
Answer:
D
Explanation:
they arr primitive organism who do not have mitochondria instead they have Mesosomes
Answer:
D. bacteria cells do not have mitochondria
Explanation:
the bacteria cells do not have a mitochondria hence they rely on immediate environment to obtain usable energy
bacteria cells have DNA which is located in the center but is not surrounded by the nuclear membrane since bacteria cells eg.prokaryotic cells have no membrane-bound organelles eg the nucleus
What is the function of the excretory system?
A. excreting hormones
B. remove waste
C. provide structure
D. digesting food
Answers
Answer:
B. remove waste
Explanation:
The main function of the excretory system is to remove waste.
Need help ASAP please please
Answers
please help
Read the paragraph from the section "Sub-Disciplines Of Oceanography."
Oceanography's diverse topics of study are generally categorized in four major sub-disciplines. A sub-discipline is a specialized field of study within a broader subject or field of study. Oceanographers specialize in the biological, physical, geological and chemical processes of the marine environment.
Why did the author use the word "diverse"?
A
to emphasize the specialized knowledge that all oceanographers must learn while in school
B
to emphasize the various interests and careers that fall under the category of oceanography
C
to illustrate that anyone can become an oceanographer if they have an interest in protecting the ocean
D
to illustrate that it is difficult to choose which discipline of oceanography to study
Answers
The author use the word "diverse to emphasize the various interests and careers that fall under the category of oceanography.
So, option B is correct.
What is oceanography?Oceanography is described as the scientific study of the oceans. Oceanography is an important Earth science, which covers a wide range of topics, including ecosystem dynamics; ocean currents, waves, and geophysical fluid dynamics; plate tectonics and the geology of the sea floor; and fluxes of various chemical substances and physical properties within the ocean and across its boundaries.
So, from the paragraph we can conclude that the author used to word diverse to emphasize the various interests and careers that fall under the category of oceanography.
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Please help!
Parent 1 doesn't have freckles, but his parents did. Parent 2 has freckles, all of parent 2 family has freckles as well. Use the letters provided in the Punnett square to answer the following questions:
What is the genotype of parent 1?
What is the genotype of parent 2?
What is the probability that the offspring of parent 1 and parent 2 has the recessive alleles be expressed in their phenotype? __% (use numbers only)
Answers
Answer:
denoting No freckles: N Freckles: f,
parent 1 genotype: Nf
parent 2 genotype: ff
after using punnet Square the four random combinations are:
Nf, Nf, ff, ff
50% probability that offspring will have freckles
Answer: Genotype of parent 1: Aa
Genotype of parent 2: aa
Probability: 50%
Explanation: The Punnet square is shown in the problem to help you :) Also, these answers are correct because I got these all right on my science quiz just recently!
A chemical reaction that has the general formula of nA → (A)n is best classified as a
reaction.
Answers
Answer:
true
Explanation:
Answer:
Polymerization
Explanation:
How do active and passive transport help a cell respond to changes in the environment?
Answers
- help the membrane maintain homeostasis
Active and passive transport help a cell in responding to the changes in the outside environment as both of these processes help in transporting substance into and out of the cell and maintaining the homeostasis in cell.
What is Cellular transport?
Cellular transport is the process of transportation of substances into and out of the cell. Cellular transport includes different processes such as active and passive transport. The active transport requires energy for transporting substances against the concentration gradient and the passive transport does not require energy as the substances move in the direction from high concentration to low concentration of solutes.
The transport of substances which are required by the cell and excretion is possible through active and passive transport. these processes helps in maintaining homeostasis in the cell.
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