If after cellular replication, a nucleolus failed to reform in the nucleus, the most immediate implication of this failure would be the inability to make ribosomes.
The nucleolus, which is the location of rRNA transcription and processing as well as ribosome assembly, is the most noticeable substructure within the nucleus. As was covered in the chapter before, cells need a lot of ribosomes to produce all the protein they need. Mammalian cells that are actively growing, for instance, need to produce between 5 million and 10 million ribosomes during every cell division. The nucleolus was created as a ribosome manufacturing facility to meet the demand for extensive rRNA production and ribosomal subunit assembly.
Inability to make ribosomes is the most immediate implication when a nucleolus is failed to reform in the nucleus.
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Establishment of the CODIS and NADNA databases.
Oduring the 1800s
Obefore the 1800s
1900-1988
1990-present
Pick a type of cell. Muscle, Nerve, Brain, Cardiac, Digestive, etc. Include Picture and unique properties of that cell. What organelles does it contain? What organelles does it not have.
Answer: All cells have membranes (the building), DNA (the various blueprints), and ribosomes (the production line), and so are able to make proteins
Explanation:
Suppose that zonosemata flies whose own wings had been clipped and reattached were attacked more frequently than untreated zonosemata flies. How would this result have affected the reliability of the other experimental results?.
The experimental groups that had wing surgery would have no results.
Surgery- The area of medicine that treats sickness or injuries through procedures. Surgery may entail physically altering human tissues and organs by cutting, abrading, suturing, or other means.
Tissue- Tissue is a group of cells that have similar structure and that function together as a unit. A nonliving material, called the intercellular matrix, fills the spaces between the cells. This may be abundant in some tissues and minimal in others.
Cells- The simplest form that can sustain life on its own and makes up all living things, including the body's tissues. The cell membrane, the nucleus, and the cytoplasm are the three primary components of a cell.
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The diagram above best illustrates major processes in which of the following biochemical cycles?
Carbon cycle
Nitrogen cycle
Phosphorus cycle
Water cycle
The diagram above best illustrates major processes of the following biochemical cycles is phosphorus cycle. Hence option 3 is correct.
What is biochemical cycle?Biochemical cycle is defined as a naturally occurring cycle that travels through biotic and abiotic environmental components. A biogeochemical cycle's primary function is to recycle the elements on earth. The biogeochemical cycle makes it possible for matter to change its form. It includes biotic components like rocks, air, water, and chemicals as well as zoological factors like live things.
Phosphorus cycle is defined as a cycle in which phosphorus is transported across the lithosphere, hydrosphere, and biosphere throughout a biogeochemical process. The phosphorus cycle is significant because phosphorus is a crucial ingredient for supporting life on Earth. It also plays a crucial role in the structure of genetic material, the function of cell membranes, and the development of bones and teeth.
Thus, the diagram above best illustrates major processes of the following biochemical cycles is phosphorus cycle. Hence option 3 is correct.
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The engineering design process is not linear process. in other words, it does not follow a set of order. Why?
To understand people, challenge assumptions, reframe problems, and create unique solutions for prototyping and testing, teams use design thinking, a non-linear, iterative method. Empathize, Engineering Define, Ideate, Prototype, and Test is a five-step process that can be used to tackle challenges that are unclear or unidentified.
Engineering design is, in other words, not a linear process but rather a highly creative and dynamic one marked by problem formulation, quick iterations, and practical solutions. The design process is circular rather than linear; insights obtained in one stage flow back into and influence changes in subsequent stages16. Program is created to fill a need.
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Which of the following statements is true concerning diabetes?
A. Type 1 diabetes develops with the body doesn't make insulin or use it properly in
the body
B. Type 2 diabetes is often linked to obesity and presents itself when body cells
stop responding properly to insulin
C. People who have diabetes can usually manage and control it with a healthy diet,
exercise and insulin injections
D. All the above
Select the statements about meiosis that are true.
Select the statements about meiosis that are true.
The daughter cells of meiosis have half as many chromosomes as the parent cell.Meiosis produces gametes.Meiosis produces four haploid cells.Meiosis produces nonidentical cells.The statements are all true
What is meiosis?The term meiosis is used in biology to mean the cell division peculiar to organisms which are involved in sexual reproduction, it helps in decreasing the number of chromosomes in the egg and sperm. For human beings, the have two sets of chromosomes. During the process of fertilizations each of the parent donates a chromosome which merge to form one
The two sets of chromosomes is referred to as diploids, one from each parent. Two rounds of division of the diploid cell gives four daughter cells called haploid. The egg and sperm are referred to as gametes and are haploids. The haploid cells produced are nonidentical
As regards the question, the information read will help to conclude that all the options are true.
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complete question
Which of the following statements is/are true about meiosis? Select all that apply.
-The daughter cells of meiosis have half as many chromosomes as the parent cell.
-Meiosis produces gametes.
-Meiosis produces four haploid cells.
-Meiosis produces nonidentical cells.
Please help with this question
The 2 ways that nitrogen is "fixed" are by plants and bacteria.
What is nitrogen fixation?Nitrogen fixation is a process in which there is a combination of nitrogen with oxygen or hydrogen to form oxides or ammonia that can be incorporated into the biosphere.
Fixation can occur in two ways: abiotically by means of electrical discharges or combustion and biotically by the action of microorganisms thanks to bacteria or through symbiosis by means of some plants. This process is known as biological nitrogen fixation.
Therefore, we can confirm that the 2 ways that nitrogen is "fixed" are by plants and bacteria.
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What current goes through a 2070 W kettle connected to a 230 V mains supply?
The current that goes through a 2070 W kettle connected to a 230 V mains supply is 9A.
How to calculate current?Current is the time rate of flow of electric charge. It is measured in amperes (A).
Current of an electrical charge can be calculated using the following formula:
I = P/V
Where;
I = current (A)P = power (Watts)V = voltage (volts)According to this question, a 2070 W kettle is connected to a 230 V mains supply. The current is calculated as follows:
I = 2070 ÷ 230
I = 9A
Therefore, the current that goes through a 2070 W kettle connected to a 230 V mains supply is 9A.
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What do elements of the same period in the periodic table have in common?
Answer:
A period in the periodic table is a row of chemical elements. All elements in a row have the same number of electron shells. Each next element in a period has one more proton and is less metallic than its predecessor.
I hope this helps :)
Which of the following are biotic? (choose all that are correct)
Sun
01
2
Bacteria
Clouds
Mushroom
Elephant
Cotton T-shirt
Dirt
Paper
Coral
Water
1 point
What characteristics do all living things share?
Bacteria
mushroom
Elephant
Coral
They are made up of cells
Which activities occur during prophase II? Check all that apply.
DNA condenses to form chromosomes.
Each chromosome pairs up with its mate.
Spindle fibers form.
Chromosomes move to the opposite end of the cell.
The nuclear envelope disappears.
PLEASE TELL ME AS SOON AS YOU CAN :)
The following events occur during prophase II.
DNA condenses to form chromosomes.Spindle fibers form.The nuclear envelope disappears.In both mitosis and meiosis, the prophase is the first phase of cell division. When the cell enters prophase, DNA replication has already started after interphase. The chromatin reticulum condenses and the nucleolus vanishes during prophase, which are the key events. The chromatin, a combination of DNA and proteins found in the nucleus, condenses during prophase. The development of discernible chromosomes is caused by the coiling and tightening of the chromatin. One well-organized piece of DNA makes up each chromosome. Prophase is the first and longest phase of mitosis. Chromatin gathers into chromosomes and the nuclear envelope, which is the membrane that encloses the nucleus, disintegrates during prophase.learn more about prophase here: https://brainly.com/question/12828200
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Answer:prophase II
Explanation:
When incorporated into a polypeptide chain not at the n or c terminus, _______ would make the charge of the polypeptide more positive.
The amino acids which can provide positive charge will be Arginine or lysine .
What do a polypeptide's N-terminus and C-terminus look like?
The "N-terminus," also known as the "amino terminus," and the "C-terminus," also known as the "carboxyl terminus," are the free amine and carboxylic acid ends of the chain, respectively. These two protein termini differ chemically from one another, hence it follows that they will naturally have various chemical properties.
Arginine is an amino acids that helps in body build protein . In packaging of DNA arginine and lysine are used because they carry positive charge.
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The human population has changed in ways that are similar to other populations. How has the human population changed since it first appeared on earth?.
The population has generally increased at rates that have varied over time since it first appeared on earth,
This significantly altered after 1800: the world population was roughly 1 billion in 1800 and has expanded sevenfold since then. On our globe, around 108 billion humans have ever lived. This indicates that the current population accounts for 6.5% of all persons ever born.
The world population took hundreds of thousands of years to reach one billion, and then it increased sevenfold in just 200 years. In 2011, the world population surpassed 7 billion, and it is presently estimated to be about 7.6 billion. This rapid growth has been fueled mostly by an increase in the number of people of reproductive age, and has been accompanied by considerable changes in fertility rates, rising urbanization, and quicker migration. These trends will continue resulting in human population growth which are varied over time.
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The primary anabolic hormone is: the primary anabolic hormone is:_____.
a) cortisol.
b) epinephrine.
c) glucagon.
d) insulin.
The primary anabolic hormone is: (d) insulin.
Anabolic hormone is the one that is involved in the formation of some specific substance inside the body. Thus can include repair of damaged tissues or growth of muscles as well. The examples of anabolic hormones are: insulin, growth hormones, testosterone, etc.
Insulin is the sugar regulatory hormone made up of polypeptide chains. It is called an anabolic hormone because it promotes the uptake of glucose by the cells in order to reduce the blood glucose levels. This promotes the formation of glucagon (a stored form of energy) that can result in increase muscle mass.
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a paramecium is a single-celled organism that lives in ponds. it travels at a rate of 2,000 micrometers per second. what is the speed of the paramecium in meters per hour? (hint: look at the first tile to see how many significant digits are in the value.)
When a paramecium travels at the rate of 2,000 micrometers per second. Then its speed in meters per hour will be 7.2 m/sec.
Paramecium is a eukaryotic protozoan belonging to the Kingdom Protista. It is unicellular organism with cilia all over its body. They are abundantly found in fresh-water. The use of paramecium can be found in carbon cycle.
According to the question,
Speed of paramecium = 2,000 micrometers (μm) per second
1 μm = 10 ⁻⁶ meter
Also, 1 second = 1/3600 hour
Therefore, the speed of paramecium in m/hour will be
speed = [2000 × 10 ⁻⁶] / [1/3600]
Therefore, speed = 7.2 m/hour
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WILL GIVE BRAINLIREST
Which of the following explains the role of fruit bats as pictured in the rainforest food web shown above?
They are heterotrophs that depend on producers or other consumers for food.
They are saprotrophs that recycle organic waste into food.
They are autotrophs that use organic materials and sunlight to make food.
They are detritivores that rely on dead plant matter for food.
The sentence that explains the role of fruit bats as pictured in the rainforest food web shown above is they are heterotrophs that depend on producers or other consumers for food.
What do bats like to eat most?
Some bats are classified as nectarivores in terms of food, because their preferred menu is flower nectar and pollen. Most Brazilian bats prefer insects, while most around the world are frugivorous, that is, they feed on fruits.
Bats' diet varies by species. Thus, there are those who feed on fruits (frugivores), nectar and pollen from flowers (nectarivores), insects (insectivores), small vertebrates (carnivores) and blood (hematophages).
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is the use of genes for treating human genetic disorders. a. recombinant dna technology b. genomics c. genetics d. pharmacogenomics e. gene therapy
Is the use of genes for treating human genetic disorders d. pharmacogenomics .
What is pharmacogenomics ?Pharmacogenomics is the study of how genes impact how a person reacts to medications. In order to create powerful, secure treatments that may be administered based on a person's genetic profile, this area integrates genomics (the study of genes and their roles) and pharmacology (the science of drugs).
Although many medications on the market today are "one size fits all," they don't all operate in the same manner. It can be challenging to determine who will respond well to a treatment, who won't respond at all, and who will encounter unwanted side effects (called adverse drug reactions). In the US, adverse medication responses constitute a major factor in both hospital admissions and fatalities.
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Proteins are synthesized at the ribosome and are often modified en route to their destination. How are these modified proteins most likely transported within a compartmentalized eukaryotic cell?.
Answer: Proteins are transported in vesicles between membrane-bound organelles.
Explanation: Proteins are 'packaged' into vesicles for transport within the cell. This prevents any unintended interactions from occurring.
When blood sugar levels are too high, the pancreas helps to maintain balanced blood
sugar levels by releasing _______ This hormone helps the cells and liver take in extra sugar to lower the blood sugar levels back to their set point.
A. Glucogon
B. Oxygen
C. Glycogen
D. Insulin
Answer: My best guess would be Insulin
Explanation:
Insulin signals body cells to take up glucose from the blood, which returns blood glucose levels back to normal.
15 10 points
The gross primary productivity of an ecosystem is 2,700 kcal/m2/year and the net primary productivity is 1,700 kcal/m2/year.
What is the approximate number of kcal/m2/year available to the primary consumers in that ecosystem?
Hint: remember back to Biology and how energy flows through an ecosystem. If you can't remember things from that long ago, refer to the unit powerpoint part 1
1
00000
170 kcal/m2/year
4,400 kcal/m2/year
270 kcal/m2/year
100 kcal/m2/year
The correct option is = 100 kcal/m2/year
The given values are Gross primary productivity = 2,700 kcal/m²/yearNet primary productivity = 1,700 kcal/m²/yearNPP = GPP – organic material spent in aerobic respiration. 1,700 kcal/m²/year - 2,700 kcal/m²/year = – organic material spent in aerobic respiration.- 1000 kcal/m²/year = – organic material spent in aerobic respiration.organic material spent in aerobic respiration= 1000 kcal/m²/year(It represent the organic material in each tropic level)As the primary producer lost 10% of energy during respiration(10% energy are lost after each and every steps), so the The net productivity of primary producer is = 1000×0.1The net productivity of primary producer is = 100 kcal/m2/year The approximate number of 100 kcal/m2/year available to the primary consumers in that ecosystem.Learn more about Net primary productivity here
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The advantage of treating separate samples of a protein with two or more enzymes when sequencing a protein is that the products are:_________
When sequencing a protein, the benefit of processing different samples with two or more enzymes is that the results are fragments with overlapped sequences.
What are enzymes?The chemical reactions, or metabolism, of our bodies are sped up by proteins known as enzymes. While certain chemicals are broken down, others are generated. Everything that is alive contains enzymes. Naturally, enzymes are produced by our bodies.
What types of organisms are enzymes?Lipases: This group of digestive enzymes helps the gastrointestinal tract break down lipids.Amylase: In the saliva, amylase helps turn carbohydrates into sugars.The salivary protein maltose breaks down the sugar maltose into glucose.Trypsin: These enzymes break down into amino acids in the small intestine.To know more about Enzyme visit:
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One reason cells divide is that
One reason cells divide is that Growth and Replacing damaged or dead cells.
For your body to expand and for bodily tissue like skin to continuously regenerate itself, cells must divide. When a cell splits, the outer membrane pulls inward more and more until the newly developing cells separate from one another. Usually, this procedure divides the original (parent) cell into two new (daughter) cells. Because food and oxygen must be transported to the internal components through the cell membrane, cells are constrained in size A cell's outer cannot keep up with its interior as it expands because the interior expands more quickly than the exterior.learn more about cells divide here: https://brainly.com/question/796780
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Why is nitrogen scarce in the biosphere?
Answer: nitrogen gas cannot cycle out of the atmosphere and into organisms
Explanation:
Answer:
The Earth Is Facing a Nitrogen Shortage Due to Climate Change, Study Says. Greenhouse gases, among many other pressures, are reducing access to this key nutrient in ecosystems around the world.
Explanation:
Although nitrogen is very abundant in the atmosphere as dinitrogen gas (N2), it is largely inaccessible in this form to most organisms, making nitrogen a scarce resource and often limiting primary productivity in many ecosystems.
Explain what happens at the particles level for a solid to melt. be sure to explain about energy and chemical bonds
The particles level for a solid to melt. The particles in the liquid are the same as in the solid but they have more energy.
Individual particles cannot escape the intermolecular interactions in a solid because their energy is insufficient to do so. Solidification is the process where a liquid turns into a solid. The melting point, or the temperature at which a pure substance begins to melt, is a property of that substance. A solid must expend energy to become a liquid. A specific quantity of energy is required by every pure substance in order to transform from a solid to a liquid. The symbol for this quantity, Hfus, stands for the substance's enthalpy of fusion. In "Enthalpies of Fusion for Various Substances," some Hfus values are provided; it is thought that these values correspond to the substance's melting point.To learn more about solid
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According to the linnaean system of classification,mushrooms, mold, and mildew all belong to the kingdom fungi.why are these organisms given the same classification
According to the Linnaean system of classification, mushrooms, mold, and mildew all belong to the kingdom fungi because: -
The absence of chlorophyll is what distinguishes fungus from plants.Fungi belongs to Eukaryotic group. Some fungus are unicellular, but the majority are multicellular.Fungi do not require sunshine to survive.Linnaean system of classification- Because it encouraged the application of binomial nomenclature to distinguish between each species, the Linnaean system is significant. Researchers may interact without relying on deceptive common names after the approach had been accepted. No regardless of the language a human spoke, they were still considered a member of the Homo sapiens species.
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help me with this pls i will mark as brainliest
Explanation:
once you get more than 1 answer of a question. A message is shown above each answer that is "Mark as brainiest". Click on the option to mark it the best answer ..1
What are The functions of the structure to the above are
O Support the body, store minerals, produce blood cells
O Moves the body and food through the intestines
O Send messages throughout body
O Protection, temperature regulation, Vitamin D production
Option D- Protection, Temperature regulation, Vitamin D production.
The given structure is of Skin- The epidermis, dermis, and subcutaneous layer are its three primary layers of the skin. The epidermis is an elastic outer layer that regenerates continuously. This is among its components: Keratinocytes, the primary epidermal cells produced at the base of the epidermis by cell division.
Some functions of skin are -
1. Protection - There is a thick layer of armor covering our entire body. The skin shields us from the majority of the outer world's hazards.
2. Sensation - We are able to feel sensation thanks to the thousands of tiny receptors found inside the layers of our skin.
3. Production of Vitamin D - A hormone, not a vitamin. Vitamin D production occurs on the skin. When in contact with sunshine, ultraviolet rays permeate the epidermis and convert provitamin D3 to pre vitamin D3.
4. Controls body's Temperature - The skin does an amazing job of stabilizing and regulating body temperature.
Hence, Option D is the most appropriate answer.
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whats an organelle containing the digestive enzymes
Answer: Lysosomes
Explanation: Lysosomes break down excess cellular parts or damaged cellular parts.
In this food web which organism is a producer
A.sawgrass
B.white tailed deer
C.great blue heron
D.anhinga
Answer: sawgrass
Explanation:
these are plants characterized by long,narrow leaves.