The unique functionality of 22-nt miRNAs in Arabidopsis lies in their ability to trigger the RDR6-dependent ta-siRNA biogenesis pathway from target transcripts.
Arabidopsis, small RNA molecules known as 22-nt miRNAs (microRNAs) possess a unique functionality in triggering RDR6 (RNA-Dependent RNA Polymerase 6)-dependent siRNA (small interfering RNA) biogenesis from target transcripts. The 22-nt miRNAs bind to specific target transcripts through sequence complementarity. This binding occurs primarily at non-coding regions of the target transcripts.The binding of the 22-nt miRNAs to their target transcripts leads to the recruitment of RDR6, an RNA polymerase enzyme.
The dsRNA is subsequently diced into smaller fragments called siRNAs by Dicer-like proteins (DCLs).
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Which of the following is NOT a main type of cell division?
A. Mitosis
B. Meiosis
C. Interphase
D. Binary Fission
sight?
Answer:
Answer choice B.
The correct answer is C. Interphase is not a main type of cell division.
What is interphase ?Interphase is the phase of the cell cycle where the cell grows and replicates its DNA in preparation for cell division. It is not a form of cell division itself, but rather a period between two rounds of cell division.
The other options, A. Mitosis, B. Meiosis, and D. Binary Fission, are all main types of cell division. Mitosis is a type of cell division that results in two identical daughter cells, each containing the same number of chromosomes as the parent cell.
Meiosis is a type of cell division that occurs only in sexually reproducing organisms and results in four genetically diverse daughter cells. Binary fission is a form of asexual reproduction that occurs in prokaryotic organisms, such as bacteria, and involves the division of a single cell into two identical daughter cells.
Meiosis is a specialized form of cell division that occurs only in sexually reproducing organisms. Unlike mitosis, meiosis results in the production of four genetically diverse daughter cells, each containing half the number of chromosomes as the parent cell.
Meiosis is essential for sexual reproduction because it ensures that each new offspring will have a unique combination of genetic traits from its parents.
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When a child receives different forms of a certain gene from his/her parents, he or she is said to be
Answer:
Heterozygous
Explanation:
It's a state of having inherited different forms of a particular gene from each one of your biological parents.
if you wished to observe chiasmata forming during meiosis, what stage of meiosis would have the best cells to use?
The chiasmata formation occurs during the diplotene stage of the Prophase 1.
Chiasmata are the points where the non sister chromatids attach attaches to the homologous chromosomes. It leads to exchange of segments and creates variation. The chiasma is a structure that forms between a pair of homologous chromosomes by crossover recombination and physically links the homologous chromosomes during meiosis. The chiasmata become visible during the diplotene stage of prophase I of meiosis, but the actual "crossing-overs" of genetic material are thought to occur during the previous pachytene stage.
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What should a producer always do if
there is a shortfall of knowledge about
reproduction in animals?
A. Browse the internet for advice.
B. Rely only on other producers experience.
C. Consult a veterinarian for answers.
D. The library is the best resource.
Answer:
C. Consult a veterinarian for answers.
Explanation:
If there is a shortfall of knowledge about reproduction in animals, it is important for a producer to consult a veterinarian for reliable and accurate information. Veterinarians are trained professionals who have extensive knowledge about animal health and reproduction, and they are a reliable source of information on these topics. It is also important for a producer to be aware of the limitations of their own knowledge and to seek out additional resources when needed, rather than relying on incomplete or potentially incorrect information. In general, it is always best to seek out qualified professionals or trusted sources of information when dealing with important matters related to animal health and reproduction.
How are the same procesess of mitiosis and meosis simullar to each other?
First Answer:
They both begin with similar events like chromosome replication. However Mitosis involves only one division, while meiosis involves two divisions
Hope this helps a bit!
You are looking at a somatic diploid cell in G2 and see that there are 36 chromosomes present? How many pairs of homologous chromosomes are there?
A. 20
B. 40
C. 80
D. 10
Looking at a somatic diploid cell in G2 and see that there are 36 chromosomes present, there would be 20 pairs of homologous chromosomes. The correct option is A.
The number of chromosomes in a diploid cell is given as 2n where n is the number of distinct chromosomes. If a cell in this instance has 36 chromosomes, it is diploid and has chromosome number 2n = 36.
We divide the total number of chromosomes by two to get the number of pairs of homologous chromosomes. Therefore, in this instance 36 divided by 2 equals 18 which is the number of homologous chromosome pairs. The correct option is A.
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What process produces mRNA?
A. Replication
O B. Transcription
O C. Conjugation
O D. Translation
SUBMI
Answer: its B/Transcription
Explanation: its the process where information in DNA, called the genetic code, is used to produce RNA copies called messenger RNA (mRNA)
hope this helped
(4pts) analysis of nutrition label report table cp.5: calculations for nutrition label analysis Calorie Breakdown Table view List View Mass in one serving (g) Calories in one serving (kcal) Fat 1 Carbohydrates 20 Protein 1 (Ipts) Calculated total Calories per serving (kcal) Total Calories per serving from label: 100 Cal
The nutrition label report table CP.5 provides calculations for nutrition label analysis, including the calorie breakdown for one serving size.
It includes information about the mass in one serving, the calories in one serving, and the amounts of fat, carbohydrates, and protein per serving.
The table also includes calculated total calories per serving, which is different from the total calories per serving listed on the label. In this case, the calculated total calories per serving is not provided, but the total calories per serving from the label is listed as 100 calories.
To calculate the total calories per serving, we need to consider the calories contributed by each nutrient (fat, carbohydrates, and protein). Here's the calorie breakdown for each:
1. Fat: 1 gram of fat provides 9 kcal, so 1 x 9 = 9 kcal.
2. Carbohydrates: 1 gram of carbohydrate provides 4 kcal, so 20 x 4 = 80 kcal.
3. Protein: 1 gram of protein provides 4 kcal, so 1 x 4 = 4 kcal.
Now, to find the calculated total calories per serving, we add up the calories from each nutrient:
Fat: 9 kcal
Carbohydrates: 80 kcal
Protein: 4 kcal
Total calculated calories per serving: 9 + 80 + 4 = 89 kcal.
In conclusion, the calculated total calories per serving based on the given data is 89 kcal, which is a bit different from the 100 kcal stated on the nutrition label. This discrepancy might be due to rounding, the presence of other nutrients, or a difference in the actual nutrient content compared to what is listed on the label.
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The total Calories per serving from the label is 100 kcal, which is close to our calculated total of 93 kcal. There might be some rounding differences or additional components in the food product contributing to the difference.
From this table, we can see that one serving of this food product contains 1 gram of fat, 20 grams of carbohydrates, and 1 gram of protein. The total number of calories in one serving is listed as 100 calories on the label.
To analyze this information further, we can calculate the total number of calories in one serving based on the macronutrient breakdown provided in the table. To do this, we need to know the number of calories per gram for each macronutrient. Fat contains 9 calories per gram, while both carbohydrates and protein contain 4 calories per gram.
Using this information, we can calculate the total number of calories in one serving as follows:
- Fat: 1 gram x 9 calories per gram = 9 calories
- Carbohydrates: 20 grams x 4 calories per gram = 80 calories
- Protein: 1 gram x 4 calories per gram = 4 calories
- Total calories: 9 calories + 80 calories + 4 calories = 93 calories
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Which of the following will NOT affect carrying capacity?
a) amount of food
b) number of predators
c) water pollution
d) unlimited food
Explanation:
https://youtu.be/wmQMBJ_ce3k see this video
Based on his experiments on pea plants, how many factors did Mendel conclude an offspring receives for a single characteristic?
Answer:
The answer is 2
Explanation:
Based on his experiments on pea plants, Gregor Mendel concluded that an offspring receives two factors / genes for a single characteristic. These factors exist in pairs, with one factor inherited from each parent. So, here option A is correct.
Mendel's experiments involved cross-breeding different varieties of pea plants and carefully tracking the inheritance patterns of specific traits, such as flower color, seed texture, and plant height. Through his observations, he formulated the fundamental principles of inheritance, which laid the foundation for modern genetics. Mendel's conclusion was based on his observation of the consistent segregation of traits in the offspring. He found that when two pea plants with different forms of a trait (such as tall and short plants) were crossed, the first generation of offspring (F1 generation) all displayed the dominant form of the trait (in this case, all tall plants).
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complete question is below
Based on his experiments on pea plants, how many factors did Mendel conclude an offspring receives for a single characteristic?
A,offspring receives two factors
B,offspring receives ten factors
What lobe is devoted to spatial analysis and perception?
The parietal lobe is primarily devoted to spatial analysis and perception.
It plays a crucial role in processing sensory information from different modalities, including touch, temperature, pressure, and pain, and integrating that information to create a sense of body position, spatial awareness, and navigation in the surrounding environment.
The parietal lobe is involved in tasks such as interpreting spatial relationships, perceiving depth, recognizing objects in space, and coordinating movements based on spatial information. It also plays a role in higher-level cognitive functions, including attention, working memory, and numerical reasoning.
Overall, the parietal lobe is integral to our perception and understanding of the physical space around us.
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Which three steps describe how an animal obtains and uses energy for growth?
First, an animal eats another organism. Then, food is built into larger molecules. Next, the animal's cells use
molecules to make new cells.
First, food is built into larger molecules. Then, the animal eats another organism. Next, the animal's cells use
molecules to make new cells.
O First, an animal eats another organism. Then, food is broken down into smaller molecules. Next, the animal's cells
use molecules to make new cells.
First, food is broken down into smaller molecules. Then, the animal eats another organism. Next, the animal's
cells use molecules to make new cells.
Use the process of elimination, be sure to read each answer thoroughly even if you are confused at first. Read each one at least twice just to see if your brain understands it the second time.
First, an animal eats another organism. Then, food is built into larger molecule. Next, the animal's cells use molecules to make new cells. ELIMINATED
First, food is built into larger molecules. Then, the animal eats another organism. Next, the animal's cells use molecules to make new cells use molecules to make new cells. ELIMINATED
First, an animal eats another organism. Then, food is broken down into smaller molecules. Next, the animal's cells use molecules to make new cells. THIS ONE!!!!!!!!!
First, food is broken down into smaller molecules. Then, the animal eats another organism. Next, the animal's cells use molecules to make new cells. ELMINATED
Use the process of elimination, be sure to read each answer thoroughly even if you are confused at first. Read each one at least twice just to see if your brain understands it the second time.
First, an animal eats another organism. Then, food is broken down into smaller molecules. Next, the animal's cells.First, food is broken down into smaller molecules. Then, the animal eats another organism. Next, the animal's cells use molecules to make new cells.First, food is built into larger molecules. Then, the animal eats another organism. Next, the animal's cells use molecules to make new cells.How does energy affect growth?The energy consumption has a high favourable correlation with economic growth. Whether economic growth takes primacy over energy consumption or energy consumption glorifies the economic growth have been studied in a number of studies yet practical proof is mixed and conflicting.
Thus, these are the steps.
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The Red Hearted Rebels were most problematic to society because
a.they directly challenged the constitution and voting access
b.they had meaningful relationship with people of color
c.they were anti-racist who challenged the institution of slavery and Christian religion
d.they were white raised with privilege
The Red Hearted Rebels were most problematic to society because they were white raised with privilege, hence option D is correct.
The largest act of disobedience committed in any American state prior to the American Revolution was The Bacon's Red Hearted Rebel.
Red Hearted Rebels in mind, the practice of importing and acquiring additional slaves had grown to reduce the role of white obliged laborers.
After Bacon's Red Hearted Rebel, the go-to servitude proved to be acute and significant. To separate white slaves from black slaves, social and legal honors were bestowed upon whites.
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There are four chambers in the mouse heart - the right and left ventricles, and the right and left atria. Based on the data in the table below, which chamber, the left ventricle or the left atrium, do you think pumps blood from the heart to the rest of the body? Explain your answer.
Which of the following is/are FALSE about innate behaviors? Pick ALL false options. Genes have a large influence on the expression of innate behaviors Innate behaviors are limited to invertebrate animals with simple nervous systems. Innate behaviors are not learned by interacting with the environment. O Innate behaviors cannot be influenced by natural selection.
The false options about innate behaviors are:
1. Innate behaviors are limited to invertebrate animals with simple nervous systems.
2. Innate behaviors cannot be influenced by natural selection.
1. Innate behaviors are not limited to invertebrate animals with simple nervous systems. Innate behaviors are found in a wide range of organisms, including both vertebrates and invertebrates. These behaviors are genetically programmed and do not require prior learning or experience.
2. Innate behaviors can be influenced by natural selection. In fact, innate behaviors are shaped by natural selection over generations. Behaviors that provide survival advantages are more likely to be passed on to future generations, while behaviors that hinder survival are less likely to be inherited.
Therefore, the false statements are option 2 (innate behaviors limited to invertebrate animals with simple nervous systems) and option 4 (innate behaviors cannot be influenced by natural selection).
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Which of the following is one of the great advantages of moving materials by active transport?
The process is not dependent on a concentration gradient.
Receptor sites are not necessary for the process to occur.
The process has no energy cost.
Carrier proteins are not necessary.
One of the great advantages of moving materials by active transport is that the process is not dependent on a concentration gradient. This allows cells to move substances against their concentration gradients, which is essential for maintaining specific concentrations of ions and molecules within cells.
Active transport is a cellular process that enables the movement of substances against their concentration gradient, from an area of lower concentration to an area of higher concentration. This is in contrast to passive transport, which relies on a concentration gradient. Active transport allows cells to accumulate substances in higher concentrations than their surroundings, facilitating important biological processes such as nutrient uptake and ion regulation. It requires the use of carrier proteins and energy, usually in the form of ATP, to drive the transport process. Unlike passive transport, active transport is not limited by the availability of a concentration gradient and can move substances even against a concentration gradient, making it essential for processes such as nutrient absorption in the intestines and ion pumping in nerve cells.
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elephants and lions use what for energy?
The elephant and the lion use macromolecules for energy, such as carbohydrates, proteins, lipids, etc., and these macromolecules, when broken down after digestion, give energy.
What is the purpose of the dietary food?Animals consume dietary food, and not all animals consume all foods. Some animals, such as the lions, are carnivores and eat animals, whereas others, such as the elephants, are herbivores and rely on plants for energy. The lion, as a carnivore, obtains the majority of its fats portion, proteins, and carbohydrates in the form of glycogen from other animal, whereas the elephant, as a herbivore, obtains the majority of its nutrients from plants such as carbohydrates, proteins from proteinaceous plants, and some lipids from seeds.
Hence, The elephant and the lion use macromolecules for energy, such as carbohydrates, proteins, lipids, etc., and these macromolecules, when broken down after digestion, give energy.
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Question 3 of 5
A scientist observes a honeybee as it gathers nectar from a flower and
returns it to the hive. What is the best way for the scientist to record her
observations and share them with other scientists?
A. By measuring the amount of time the process took to complete
B. By taking a snapshot of one part of the process
OC. By recording an audiodescription of the whole process
D. By writing down the time of day that the process occurred
while all zebras have stripes, no two zebras share the same stripe pattern
Answer:
correct?
Explanation:
> Question 4 How much does a 2-liter bottle of Sprite weigh?
O 2 pounds
2000 millilitres
O 2 kilograms
O 2 decibels <
Answer: 4.4 pounds
Explanation:
Sprite is mostly water (like most other drinks), and so it weighs about as much as water does, and water weighs exactly 1 kilogram per liter. So 2 liters = 2 kilograms = 4.4 pounds.
3 times the sum of 2 and y?"
Answer and Explanation:
3(2 + y) is the answer.
The 3 is multiplying the 2 and y inside the parenthesis.
#teamtrees #PAW (Plant and Water)
Which term describes the relationship in which one organism lives inside the other one. Check ih correct answer
Answer:
The term that describes the relationship in which one organism lives inside the other one is endosymbiosis.
Explanation:
What is a condition where the nervous system causes a muscle contraction or shortening of muscle fibers?
A. Muscular response
B. Motor response
C. Muscular movement
D. Motor movement
during action potential, positively charged ________ ions move inside the cell.
Sodium ions move inside the side during action potential.
This stage of action potential is called depolarization.This open voltage gated sodium channel.What is action potential?
- Action potentials (those electrical impulses that send signals around body) are nothing more than a temporary shift (from negative to positive) in the neuron's membrane potential caused by ions suddenly flowing in and out of the neuron.
- It consists of phases:
depolarization overshootrepolarization.- An action potential propagates along the cell membrane of an axon until it reaches the terminal button.
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An organelle found in most eukaryotic cells that
transforms chemical energy into mechanical energy to
carry out life processes?
Answer:
The organelle is mitochondria
Answer:
Mitochondria
Explanation:
An organelle found in most eukaryotic cells that transforms chemical energy into mechanical energy to carry out life processes is the direct definition.
2 Natures of Insular Biotas?
The two natures of insular biotas refer to their isolation and unique ecological characteristics. Insular biotas are typically isolated from mainland ecosystems and have evolved in distinct ways due to their insularity.
Two natures of insular biotas are:
1. Isolation: Insular biotas, being located on islands or isolated areas, experience limited interaction with other ecosystems. This results in unique species compositions and adaptations due to the absence of certain external influences.
2. Endemism: Insular biotas often have high levels of endemism, meaning many species found in these ecosystems are unique to that specific location. This is a result of the isolation, which allows species to evolve independently from their mainland counterparts.
This isolation has led to the development of unique species and communities, as well as increased vulnerability to threats such as invasive species and habitat loss.
The insular nature of biotas also means they are often more sensitive to environmental changes, making conservation efforts crucial for their survival.
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Which group of flasks acted as the experimental group and control group in Pasteur's experiment?
Answer: becteria
Explanation:
pasteur diveded micro-organisms in to severel group of and control groups.
How do photosynthesis and cellular respiration work together?
Answer: Photosynthesis converts carbon dioxide and water into oxygen and glucose. Cellular respiration converts oxygen and glucose into water and carbon dioxide.
Answer:Photosynthesis converts carbon dioxide and water into oxygen and glucose. Cellular respiration converts oxygen and glucose into water and carbon dioxide.
Explanation:
How does respiration occour in human body
Respiration is the life-sustaining process in which gases are exchanged between the body and the outside atmosphere. Specifically, oxygen moves from the outside air into the body; and water vapor, carbon dioxide, and other waste gases move from inside the body to the outside air. Respiration is carried out mainly by the respiratory system.It is important to note that respiration by the respiratory system is not the same process as cellular respiration —which occurs inside cells — although the two processes are closely connected. Cellular respiration is the metabolic process in which cells obtain energy, usually by “burning” glucose in the presence of oxygen. When cellular respiration is aerobic, it uses oxygen and releases carbon dioxide as a waste product. Respiration by the respiratory system supplies the oxygen needed by cells for aerobic cellular respiration, and removes the carbon dioxide produced by cells during cellular respiration.
Answer It Goes down the pharynx than into the larynx to the trachea then into the lungs through the 2 bronchi.
Explanation:
which organisms do not use nadh to feed electrons into mitochondrial electron transport chains? group of answer choices animals that do not maintain a constant body temperature plants animals that maintain a constant body temperature eukaryotic algae bacteria and archaea
The statement "animals that do not maintain a constant body temperature" is correct, they are the organisms that do not use NADH to feed electrons into mitochondrial electron transport chains.
Animals that do not keep a constant body temperature do not need NADH and do not consume NADH during respiration, as NADH is needed for maintaining a constant body temperature and is thus required by the organism.
The second method uses the respiration process used by bacteria and archaea, which uses NADH. The eukaryotic algae in the third option employ NADH in respiration since eukaryotes often do so. In the fourth option, animals must use NADH for respiration in order to keep their body temperatures constant.
If NADH is not available, oxidative phosphorylation reactions uncouple, which maintains the body temperature. This type of reaction is seen in animals that are hibernating as well as in newborn animals and people.
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