Answer: True
Explanation: you can grow a sunflower with out light but it will weak it will not grow at its best.
Answer: The correct answer is True
Explanation: Confirmed correct.
Genetic engineers develop plants and livestock that have uniquely beneficial and improved qualities. In this case, a sunflower plant that did not require sunlight could potentially grow during cloudy and nighttime conditions.
what is thought to cause the 1 ms inactive time after a sodium channel initiates an action potential?
The sodium channels that once initiate an action potential remain inactivated for a brief period after being open due to the absolute refractory period.
In neurons, the absolute refractory period occurs for a fraction of a millisecond to ensure that another action potential does not start immediately. This period occurs due to the inactivation of sodium ion channels that generally opens to depolarise the membrane. After the sodium channel gets back to resting conformation i.e., sodium channels remain inactivated until the membrane is hyperpolarised. Then sodium channel is activated to start a new action potential.
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Which option identifies the issue that would affect the ecologist's area of specialization in the following scenario?
An ecologist who specializes in wetlands trends is presenting information to a group of students in a high school
classroom. She makes a statement about the environmental damage caused by the extensive highway systems in
California.
O Highways cut through usable farmland.
O Highways emit large quantities of pollution into the air.
O Highways reduce the amount of available wetlands for plant life.
O Highways provide easy access to urban areas, adding to growth.
Answer:b
Explanation:
What are the two products of photosynthesis? What is the purpose of each product?
Answer:
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
Explanation:
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how can a single sequence variant have different effects on the amino acid sequence across the transcript variants of a gene
Amino acids are coded by the triplet sequence of mRNA. There are various property of these genetic triplet codon protein is made up of amino acids.
If a single base is altered in DNA, then it could have diverse outcomes at the transcript variations of the gene, beneath are the alternatives listed: Silent mutation- the mutation does now no longer regulate the amino acid series and consequently has no effect.
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q024) snrnas a. are removed by the spliceosome during rna splicing. b. are translated into snrnps. c. are important for producin
snRNAs can bind to specific sequences at intron-exon boundaries through complementary base-pairing.
What are snRNAs and what is the specifity in the RNA with soluble features?Before the mRNA , there is a phase where the preparation of pre mRNA takes place , and that is done by snRNA.Basically snRNA is used to catalyze the splicing of pre mRNA and are made of many proteins to form RNA protein.RNA is ribonucleic acid and is the primary genetic complement of many organisms and also sometimes it consist of single strand as a genetic complement.It is true that snRNAs are removed by the spliceosome since the formation of pre mRNA is done by then the snRNAs are removed.Also snRNAs are translated to snrnps in the spliceosome along with the associated proteins.To know more about RNA visit:
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Where in the eukaryotic cell would you expect to find transcripts with intron sequences?.
You would anticipate a nucleus in a eukaryotic cell.
Describe a cell.The simplest form that can sustain life itself and makes up most living things, including the body's tissues. The cellular membranes, the nucleus, and also the cytoplasm are the three primary components of a cell. The substances that enter and leave the cell were governed by the cell membrane, which encloses the cell.
What does a cell do?They give the body structure, absorb nutrients from meals, turn those nutrients into energy, & perform certain tasks. Additionally, cells have the ability to replicate themselves and store the body's genetic material.
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In a human ovary, an oocyte is supported by _______ cells and after the first meiotic division is _______.
In a human ovary, an oocyte is supported by follicular cells and the product formed by the primary oocyte after the first meiotic division is the secondary oocyte.
Oogenesis is the process through which an ovum (egg cell) differentiates into a cell capable of developing further when fertilised. It grows through maturation from the original oocyte. The embryonic stage is when oogenesis begins. Oocytogenesis, the conversion of oogonia into primary oocytes, is the first step in the process of generating primary oocytes, which is the beginning of oogenesis. Only one mature oocyte and three additional cells known as polar bodies will emerge from a single oogonium. Before or soon after conception, oocytogenesis is finished.
The first meiotic division begins before the female foetus is delivered and is finished in the tertiary follicle of the ovary. When a sperm and an ovum fuse, the secondary oocyte's meiotic division is finished. The secondary oocyte starts the second meiotic division but then arrests once more. If a sperm fertilises it, it will finish the division, producing a mature ovum and another polar body.
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Complete question:
In a human ovary, an oocyte is supported by _______ cells and the product formed by the primary oocyte after the first meiotic division is the _______.
occasionally a carbohydrate (phenol red) broth will show a pink color. what is the ph in the tube and what is produced causes this ph change?
Occasionally a carbohydrate (phenol red) broth will show a pink color. The pH in the tube and the causes of this pH change will be alkaline, ammonia.
Sugar molecules make up carbohydrates, or carbs. Carbohydrates are one of the three primary nutrients included in foods and beverages, along with proteins and fats. Glucose is created by your body's breakdown of carbs. The primary source of energy for the cells, tissues, and organs in your body is glucose, sometimes known as blood sugar.
At every stage of life, carbohydrates, commonly referred to as carbs, are essential. They are the main energy source for the body and the preferred energy source for the brain. The body converts carbohydrates into glucose, a form of sugar. Your body's cells, tissues, and organs use glucose as fuel.
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The complete question is ''Occasionally a carbohydrate (phenol red) broth will show a pink color. What is the pH in the tube and what is produced causes this pH change?
a) alkaline, amino acids
b) alkaline, ammonia
c) neutral, alcohols
d) acidic, ammonia
Describe how you would investigate the distribution of a nitrogen loving lichen and a nitrogen sensitive lichen at different distances into a wood from a main road
According to the given statement Quadrat and Count the amount of lichens on trees and Set regular intervals.
What do lichens do for humans?Lichen, for instance, can give animals like birds, mammals, and insects food, shelter, and materials for nests. Additionally, lichens have been utilized to make fabrics, medicines, and human food. They also create a special chemical that shows promise as an antibiotic, anti-cancer, and antioxidant.
Are lichens dangerous to people?Lichens are not all harmful to people. Bryoria is one lichen species that both people and animals eat. However, some species, like wolf lichens, are toxic and were used among Native American tribes to poisoning their arrowheads. Lichens can therefore be both helpful and harmful to people.
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After the amino acid chain leaves the ribosome, which organelle then folds, modifies, and transports the protein?.
After the amino acid chain leaves the ribosome, Endoplasmic Reticulum folds, modifies, and transports the protein.
The Golgi apparatus, also known as the Golgi complex, serves as a factory where proteins from the ER are further processed and sorted before being transported to their final destinations: lysosomes, the plasma membrane, or secretion. The endoplasmic reticulum (ER) is a large, dynamic structure in the cell that performs numerous functions such as calcium storage, protein synthesis, and lipid metabolism. The ER's various functions are carried out by distinct domains, which include tubules, sheets, and the nuclear envelope.
Endoplasmic reticulum is classified into two types: Rough Endoplasmic Reticulum: Their primary function in cells is to produce proteins, and ribosomes are attached to their surface. Smooth Endoplasmic Reticulum: Their primary function in the liver and kidney cells is to produce lipids and detoxify toxins in the body.
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What are the 2 ways a channel can be made? (science)
Glaciers that carved down large gorges between two continental masses are thought to be responsible for some of the channels.
Where do channels come from?Glaciers that carved down large gorges between two continental masses are thought to be responsible for some of the channels. People typically dig channels out of the bottom of shallow waterways so that large ships can travel through them. They are referred to as navigation channels.A canal is a man-made waterway that enables ships and boats to move between different bodies of water. Water is also transported through canals for human purpose, including irrigation.Although a strait and a channel both join two bodies of water, a channel is frequently wider. A sound is similar to a strait but wider. Normally, islands are separated from other bodies of water by a channel. Though they are frequently used synonymously.To learn more about Canal refer to:
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what are relative importance of human biology, lifestyle, the environment, and medical care in contributing to the health of the population.
A relatively important aspect of human biology is genetics.
Genetics is very important in public health, lifestyle, environment, and treatment of medical conditions. Therefore, it is important to lead a healthy life such as exercise, a healthy diet, and mental health to maintain physical and mental health.
The environment also influences this aspect. A healthy and pollution-free environment keeps people healthy and prevents the transmission of diseases such as respiratory diseases and infectious diseases caused by such pollution.
The provision of medical services is also important for maintaining the health of the population. Proper medical treatment in case of illness is very important to restore the health of the population.
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Answer:
Explanation:
The health field concept:
According to the “Health field” concept. There are four major determinants of health or ill health.
A. Human Biology
Every Human being is made of genes. In addition, there are factors, which are genetically transmitted from parents to offspring. As a result, there is a chance of transferring defective trait. The modern medicine does not have a significant role in these cases.
a. Genetic Counselling: For instance during marriage parents could be made aware of their genetic component in order to overcome some risks that could arise.
b. Genetic Engineering: may have a role in cases like Breast cancer.
B. Environment: is all that which is external to the individual human host. Those are factors outside the human body. Environmental factors that could influence health include:
a. Life support, food, water, air etc.
b. Physical factors, climate, Rain fall
c. Biological factors: microorganisms, toxins, Biological waste,
d. Psycho-social and economic e.g. Crowding, income level, access to health care
e. Chemical factors: industrial wastes, agricultural wastes, air pollution, etc
C. Life style (Behaviour): is an action that has a specific frequency, duration, and purpose, whether conscious or unconscious. It is associated with practice. It is what we do and how we act. Recently life style by itself received an increased amount of attention as a major determinant of health. Life style of individuals affects their health directly or indirectly. For example: Cigarette smoking, unsafe sexual practice and eating contaminated food
D. Health care organisation
Health care organisations in terms of their resource in human power, equipment, money and so on determine the health of people. It is concerned with;
a. Availability of health service: People living in areas where there is no access to health service are affected by health problems and have lower health status than those with accessible health services.
b. Scarcity of Health Services leads to inefficient health service and resulting in poor quality of health status of people.
c. Acceptability of the service by the community
d. Accessibility: in terms of physical distance, finance etc.
e. Quality of care that mainly focuses on the comprehensiveness, continuity and integration of the health care.
describe the structure of a generalized eukaryotic plant cell. indicate the ways in which a nonphotosynthetic prokaryotic cell would differ in structure from this generalized eukaryotic plant cell.
A generalized eukaryotic plant cell plays simple capabilities required to attend to plants. it is a large number of organelles which are structurally supported with the aid of using the cell membrane, that's out of doors of the mobileular wall.
In the mobileular membrane, organelles like chloroplasts assist to facilitate photosynthesis. A mobileular that is non-photosynthetic, like a prokaryotic bacterium, would not require chloroplasts to function. The prokaryote is normally simpler, requiring minimum organelles to survive. that is frequently because, as stated before, it needs much less energy.
It possesses DNA for the intention of containing genetic material, ribosomes to make proteins, a mobileular membrane and mobileular wall to protect the mobileular from its surroundings. While prokaryotes have other components, the ones indexed above are that which can also additionally also be observed in plant cells. apart from that, the nonphotosynthetic prokaryotic mobileular needs tons much less energy, making it tons smaller and some distance much less difficult than the generalized eukaryotic mobileular.
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If you want to affect chromatin packaging, which amino acid could you mutate to affect both histone acetylation and methylation patterns?.
Isyine is an amino acid that can be altered to change the patterns of histone acetylation and methylation.
On Amino, what can you do?You can ch-at with folks who share your interests using Amino. Whatever interests you, you can find news or other information about it. You may read blogs, view videos, and do a lot more on-line.
Is Amino safe to use?Amino is no safer or less risky compared to any other social media net-work in terms of security. If you do decide to allow your child to create a profile, make sure they have all the resources they require before letting them go.
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why is it difficult to observe individual chromosomes with a light microscope during interphase? view available hint(s)for part a why is it difficult to observe individual chromosomes with a light microscope during interphase? the spindle must move them to the metaphase plate before they become visible sister chromatids do not pair up until division starts the dna has not been replicated yet interphase chromosomes are long, thin strands unlike the condensed chromosomes visible in mitosis they leave the nucleus and are dispersed to other parts of the cell
During the interphase, chromatin is in its lax state. DNA is uncoiled and the molecule looks like a single long and thin strand. Option D) Interphase chromosomes are long, thin strands unlike the condensed chromosomes visible in mitosis.
When do chromosomes become visible under the optic microscope?After the interphase and during the prophase, the cell suffers a few changes. The nuclear membrane breaks, organelles arrange near the cell periphery, centrosomes move to the opposite poles, and the mitotic spindle extends.
During this stage, chromosomes begin their condensation thanks to the action of hystones and other the proteins associated with them. While they are condensing, they become visible under the optic microscope.
Before the prophase, during the interphase, chromatin is uncoiled, and the DNA molecule is in its lax state.
The correct option is d) interphase chromosomes are long, thin strands unlike the condensed chromosomes visible in mitosis.
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Why is it difficult to observe individual chromosomes with a light microscope during interphase?
a) the spindle must move them to the metaphase plate before they become visible
b) sister chromatids do not pair up until division starts
c) the dna has not been replicated yet
d) interphase chromosomes are long, thin strands unlike the condensed chromosomes visible in mitosis
e) they leave the nucleus and are dispersed to other parts of the cell
Phantom limb sensations best illustrate that pain can be experienced in the absence of.
What is the end result of meiosis for identical daughter cells?.
Answer:
four identical daughter cells, each with half the number of chromosomes as the parent cell
Explanation:
Scientists have categorized trees based on whether they keep or lose their leaves each year. Another logical way to categorize trees is based on the.
Another logical way to classify trees is by the type of fruit they produce.
What is Fruit?
A fruit is the structure that contains seeds after flowering in blooming plants. Flowering plants spread their seeds via their fruits.
A fruit is a mature, ripened ovary along with its contents. The ovary is the reproductive structure in the plant flower that contains the ovules. From the earliest stages of flower development until the ovules become fertilized and turn into seeds, the ovary encloses and protects the ovules.
Fruits are high in dietary fiber, vitamins (particularly vitamin C), and antioxidants. Although fresh fruits spoil quickly, their shelf life can be extended by refrigerating them or removing oxygen from their storage or packaging containers.
Fruits can be juiced, jammed, and jellied, and then preserved through dehydration, canning, fermentation, and pickling.
Waxes derived from bayberries (wax myrtles), as well as vegetable ivory derived from the hard fruits of a South American palm species (Phytelephas macrocarpa), are important fruit-derived products. Morphine, for example, is derived from the fruit of the opium poppy.
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Describe the one-gene, one polypeptide hypothesis and list some of the evidence in favor of it.
A polypeptide chain can be one or many chains long in a protein. A unique gene codes for each type of polypeptide chain that makes up a protein. The one gene, one enzyme theory was the old idea that one gene produced one enzyme.
But it soon became clear that some proteins have multiple types of polypeptide chains, each of which is encoded by a distinct gene, making them heterogeneous in nature. For instance, the polypeptide chains of the hormone insulin can be divided into A and B chains. They have various genes that encode them.According to the one-gene/one-polypeptide theory, each structurally complicated gene encodes a single polypeptide that can function independently or in conjunction with a more complex protein.The one-gene/one-polypeptide theory “applies to prokaryotes but not to eukaryotes,” according to the study and conclusions to date.This is due to the fact that many eukaryote species’ various spliced forms cannot all be accounted for by a single gene or polypeptide.
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I need help on this please and thank you
Answer:
NH4has a positive charge and sticks to soil particles.
Explanation:
I looked the answer up on quizzez lol good luck :)
There are 61 mrna codons that specify an amino acid, but only 45 trnas. This is best explained by the fact that ________.
Answer:
the rules for base pairing between the third base of a codon and tRNA are flexible.
Explanation:
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dimples are a dominant trait. a woman (homozygous for dimples) and a man without dimples are expecting a baby. what is the chance that their child has dimples?
Answer: all (%100) will have dimples
Explanation:DD X dd = Dd
Pleasee helppp 20 points
Cody found a mineral lying next to the bank. In an attempt to identify it he used a hardness test. He was able to determine that it had a hardness less than corundum but greater than feldspar.
Which of the following could the mineral be?
talc
calcite
quartz
diamond
Answer:
of course quartz, its less than corundum and more than feldspar
Explanation:
Try to guess my zodiac sign.
Answer:
libra.............. maybe
Explanation:
a population of coues deer inhabiting the american southwest and northern mexico are separated by an impassible fence. over time, these populations adapt and diverge to the extent that they are no longer able to interbreed and produce fertile offspring. this is best described as an example of:
Coues deer that live in the American Southwest and northern Mexico are cut off from each other by an impenetrable fence, and as a result, they can no longer interbreed and give birth to fertile offspring. This is a prime illustration of allopatric speciation.
When a species divides into two distinct groups that are isolated from one another, allopatric speciation takes place. They can't breed with one another because of a physical barrier, such a mountain range or a waterway. Based on the requirements of their particular habitat or the genetic traits of the group that are passed on to offspring, each species grows differently.
Hence, Coues deer development into distinct species is example of allopatric speciation.
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reginald pisum is homozygous dominant for the trait sativum, or pea-like earlobes. if he were to marry pearl blossom, who is heterozygous for the trait, what proportion of their offspring will also be homozygous dominant? answer 0.25 1.00 0.75 0.5 0 i don't know yet
0.5 Percent of their offspring will also be homozygous dominant.
A homozygous dominant genotype refers to an organism with dominant alleles for a characteristic. This genotype is denoted via way of means of the letter BB the use of the instance of eye color. Heterozygous genotype refers to an organism with one dominant allele and one recessive allele.
When you are heterozygous, you've got got wonderful alleles instead of being homozygous. Each discern gave you a one of a kind model of themselves. The dominant allele in a heterozygous genotype prevails over the recessive one. Consequently, the dominant trait will manifest.
One allele for a dominant trait, together with brown hair, and one allele for purple hair are found in someone who is heterozygous for purple hair. The purple hair allele may be handed directly to their future offspring.
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Which molecules have been synthesized in experiments similar to the ones performed by miller and urey?.
Amino acids are the chemicals that have been created in studies comparable to those carried out by Miller and Urey.
Harold C. Urey and Stanley L. Miller conducted an experiment to explain the beginning of life on Earth. They thought that the inorganic minerals that made up the early earth's environment may have created amino acids. They used the gases that the two biologists' thought were in the early earth's atmosphere: methane, water, hydrogen, and ammonia. The chemicals were cycled inside the system in sterile glass flasks and tubes that were connected in a loop.
The experiment fell short of explaining how proteins were in charge of creating amino acids. Some scientists disagree, claiming that the gases utilised by Miller and Urey are not as plentiful as the experiment indicates. They believed that the atmosphere is made up of gases like oxygen, nitrogen, and carbon dioxide that are emitted during volcanic eruptions. The outcomes are therefore unreliable.
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Which property of connective tissue is fundamental to
its function of binding tissues and organs?
O cells that contain actin and myosin
O mostly made of protein fibers
O regenerative properties
O tightly packed cells
Connective tissue is composed of proteins, this characteristic is essential to its ability to serve as a link between tissues and organs.
What is connective tissue?Tissue that supports, protects and gives structure to other human tissues and organs. It also helps to transport nutrients and other substances between tissues and organs, connective tissue also helps to store fat and mend damaged tissue. Connective tissue is made up of cells, fibers, and a gel-like substance. Examples of various types of connective tissue include bone, cartilage, fat, blood, and lymphatic tissue.
Mainly connective tissue is classified into loose connective tissue and thick connective tissue.
Whether the connective tissue is lax or dense depends on the ratio of fibrous tissue within it.
The fibrous protein found in connective tissue, which holds the organs and tissues together, is responsible for this trait of binding.
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What are some limitations that exist with the use of induced pluripotent stem cells?.
Immune incompatibility between the recipient and the donor cells is the first restriction.
What purpose does a cell serve?The corresponding value of all living things are cells. There are numerous trillions of neurons in a body. They give the body structure, absorb nutrients from meals, turn those into energy, & perform certain tasks.
What is the cell's structure?The cellular membranes, the nucleus, as well as the cytoplasm are the three components that make up a cell. Intricate arrangements of microscopic fibers or tens or even hundreds of tiny, unique structures known as organelles can be found in the cytoplasm.
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To be activated, skeletal muscle fibers must receive neurotransmitter from neurons. What structure must neurons penetrate to activate the myofiber?.
To activate the myofiber, neurons must pass through the endomysium structure.
What enters the sarcoplasm and opens the sarcoplasmic reticulum's gates?The impulse travels from the T-TUBULES to the SARCOPLASMIC RETICULUM. 3. The membrane's calcium gates in the Sarcoplasmic Reticulum (SR) open as the impulse passes through it. CALCIUM therefore diffuses between the myofilaments and outside the SR as a result.
The sarcoplasmic reticulum is activated by what?An electrical impulse (action potential) in cardiac and smooth muscle cells causes calcium ions to enter the cell through an L-type calcium channel positioned in the cell membrane (smooth muscle) or T-tubule membrane (cardiac muscle).
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