You are not getting enough oxygen for cellular respiration to occur.
Answers
Answer:
Glycolysis, which is the first step in all types of cellular respiration is anaerobic and does not require oxygen. If oxygen is present, the pathway will continue on to the Krebs cycle and oxidative phosphorylation. However, if oxygen is not present, some organisms can undergo fermentation to continually produce ATP.
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Two students are discussing natural selection in bacteria and how it can relate to antibiotic resistance in bacteria.
Bernadette states that when antibiotics are used, bacteria can respond by developing traits to help them defeat the antibiotic, which then may increase their fitness.
Dominique states that there is already a variety of traits among the bacteria. Bacteria that have traits that allow them to survive the antibiotic and reproduce may have higher fitness.
Which individual's reasoning do you agree with more and why?
Answers
Answer:
sorry
Explanation:
hindi ko po Alam same din nga tayo
if a splice site were mutated so that splicing did not take place, what would be the effect on the amino acid sequence?
Answers
If a splice site was altered, preventing splicing, the resulting effect just on mRNA would've been longer than usual.
a genetic change to the DNA sequence which takes place when an exon as well as an intron meet. This alteration may interfere with mRNA splicing, causing exons to be lost or added, and altering the protein-coding sequence. The spliceosome separates introns from the pre-mRNA during splicing, and exons are then spliced back together. The RNA will be translated into an inactive protein if the introns were left in place. A cis-acting splice element point mutation can vary whether an exon is skipped or included by altering how well or poorly it binds to splicing factors / inhibitors. A novel cis-acting element that is situated in the center of an exon or perhaps an intron can be created by a point mutation.
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If fertilization occurs which hormone triggers the thickening of the endometrium
a.estrogen
b.progesterone
Answers
Answer: B. Progesterone
Explanation: trust me;)
why do you think people that are homozygous (tt) for the dominant allele have a much stronger bitter taste?
Answers
in addition to proper growth and development, bone remodeling is critical in maintaining group of answer choices blood calcium levels. blood glucose levels. vitamin d production. blood coagulation.
Answers
In addition to proper growth and development, bone remodeling is critical in maintaining: blood calcium levels.
Bone remodeling is the phenomenon where mature bones get removed from the skeleton and new bone formation occurs. Reshaping of bones is also done by this process. This is achieved by 5 steps which are: activation, resorption, reversal, formation and quiescence.
Calcium is amongst the essential minerals required by the body. It is essential for healthy bones and teeth. Besides calcium is also involved in blood clotting and some nerve functions. The calcium can be obtained in the body by food sources like milk, soybeans, figs, oranges, etc.
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What do mitochondria do in healthy cells, and ny had defective mitochondria caused
David to lose his vision?
Answers
Muscle weakness, intolerance to exercise, decreased hearing and vision, ataxia, seizures, learning difficulties, heart problems, diabetes, and poor growth are the hallmark signs of mitochondrial myopathy.
What will happen if have a defective mitochondria?Defects in mitochondria, the body's energy producers that may be found inside practically all cells, are the root cause of mitochondrial disorders. mitochondrial myopathies are mitochondrial diseases that create noticeable muscular issues, while mitochondrial encephalomyopathies are mitochondrial disorders that cause noticeable muscular and neurological abnormalities.Several of the syndromes linked to mitochondrial disease include Barth syndrome, Chronic progressive external ophthalmoplegia, Kearns-Sayre syndrome, Leigh syndrome, Mitochondrial DNA depletion syndromes , Mitochondrial encephalomyopathy, Lactic acidosis, and stroke-like episodes, Mitochondrial neurogastrointestinal encephalomyopathy, Myoclonus epilepsy with ragged red fibers, Neuropathy, ataxia, and retinitis pigmentosa , Pearson syndrome.The mtDNA mutation that causes NARP also causes MILS, and the two disorders can coexist in the same family. NARP can cause developmental delay, seizures, and dementia in addition to the primary symptoms for which it is called.To learn more about mitochondria refer :
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What are the new cells called and how do they compare with each other?
Answers
Answer:
The original cell is called the mother cell and the two new cells are called daughter cells.
Explanation:
The mitotic (M) phase and cytokinesis (C phase) together are called cell division, the division of the parent cell (original) into two daughter cells (new cells), each with the same genetic information (chromosomes) as the parent cell. Mitosis does NOT occur in prokaryotic cells that do NOT have a nucleus. (tesd. net)
The nucleus divides during mitosis, while the cytoplasm divides during cytokinesis. The two new cells are referred to as daughter cells.
What is daughter cells?Diploid cells are the daughter cells of mitosis. Diploid cells have two complete chromosome sets. Mitosis creates no genetic diversity in normal healthy cells because the daughter cells have exact copies of their parent cell's DNA. Either of the two cells formed when a cell divides through mitosis. Because they have the same number and type of chromosomes as the parent cell, daughter cells are genetically identical. Daughter cells are formed by the division of a single parent cell. They are produced by the mitotic and meiotic division processes. Cell division is the reproductive mechanism that allows living organisms to grow, develop, and reproduce.To learn more about daughter cells, refer to:
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answer my questions plz
Answers
Answer:
Micro ---
\( {10}^{ - 6} \)
Explanation:
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Hello User, Given below are the answers:-
• micro → 10^-6
• deca → 10
• mega → 10^6
• giga → 10^9
• femto → 10^-15
Hope it helps you...Answered by Benjemin ☺️
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What is the cycle that involves the conversation of nitrogen gas into a usable form by bacteria?
A. Carbon cycle
B. Nitrogen cycle
C. Water cycle
D. None of the above
Answers
Explanation: in took the test
Why does bread mould grow on the top layer of the bread not on the lower layer
Answers
Bread mold tends to grow on the top layer of bread rather than the lower layer due to the following factors:
1) Exposure to air: The top layer of the bread is exposed to the surrounding air, providing a suitable environment for mold spores to settle and germinate. Mold spores are ubiquitous in the environment and can easily land on the bread's surface. The presence of oxygen in the air further supports the growth of mold.
2) Moisture and humidity: Moisture plays a crucial role in mold growth. The top layer of the bread is more exposed to air circulation, which allows moisture to evaporate faster compared to the lower layer. This relatively drier environment on the lower layer creates unfavorable conditions for mold spores to germinate and thrive.
3) Nutrient availability: Mold requires nutrients to grow, and bread provides a suitable source of carbohydrates. As the bread's moisture evaporates from the top layer, it concentrates the nutrients in that region, making it more favorable for mold growth.
4) Temperature: Mold thrives in temperatures that are within a certain range. The top layer of bread, being closer to the air, is more likely to experience temperature fluctuations, which can promote mold growth.
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Describe the structure and function of mirna, snrna, and lncrna, which represent the three major types of noncoding rnas. What are four mechanisms by which lncrna molecules are thought to regulate cellular processes?.
Answers
Structure and function of miRNA:
A microRNA (abbreviated miRNA) is a small single-stranded non-coding RNA molecule, containing about 22 nucleotides found in plants, animals and some viruses, that functions in RNA silencing and post-transcriptional regulation of gene expression. miRNAs function via base-pairing with complementary sequences within mRNA molecules. As a result, these mRNA molecules are silenced, by one or more of the following processes: cleavage of the mRNA strand into two pieces, destabilization of the mRNA through shortening of its poly(A) tail, and less efficient translation of the mRNA into proteins by ribosomes.Structure and function of snRNA:
Small nuclear RNA (snRNA) is a class of small RNA molecules that are found within the splicing speckles and Cajal bodies of the cell nucleus in eukaryotic cells. The length of an average snRNA is approximately 150 nucleotides. They are transcribed by either RNA polymerase II or RNA polymerase III.Their primary function is in the processing of pre-messenger RNA (hnRNA) in the nucleus. They have also been shown to aid in the regulation of transcription factors (7SK RNA) or RNA polymerase II (B2 RNA), and maintaining the telomeres. snRNA are always associated with a set of specific proteins, and the complexes are referred to as small nuclear ribonucleoproteins, snRNP, often pronounced "snurps". Each snRNP particle is composed of a snRNA component and several snRNP-specific proteins.Structure and function of lncRNA?
Long non-coding RNAs (long ncRNAs, lncRNA) are a type of RNA, generally defined as transcripts more than 200 nucleotides that are not translated into protein. This arbitrary limit distinguishes long ncRNAs from small non-coding RNAs, such as microRNAs (miRNAs), small interfering RNAs (siRNAs), Piwi-interacting RNAs (piRNAs), small nucleolar RNAs (snoRNAs), and other short RNAs. Long intervening/intergenic noncoding RNAs (lincRNAs) are sequences of lncRNA which do not overlap protein-coding genes.Four mechanisms by which lncRNAs molecules are thought to regulate cellular processes are:
The majority of lncRNAs are transcribed by RNA polymerase II, as evidenced by PoI-I occupancy, 5‘ caps, histone modifications associated with Pol-II transcriptional elongation, and polyadenylation.lncRNAs play a key regulatory role in the p53 transcriptional response. One of the direct p53 targets in response to DNA damage, a lncRNA called linc-p21 located upstream of CDKN1A gene, was found to act as a transcriptional repressor in the canonical p53 pathway and to play a role in triggering apoptosis. p53 regulates linc-p21 by directly inducing its expression, likely through direct binding to the linc-p21 promoter, while reduction of lincRNA-p21 increases expression of numerous p53-repressed transcripts.Pluripotency-associated lincRNAs were initially discovered in mouse embryonic stem cells. Somatic cell reprogramming to induced pluripotent stem cells (iPSCs) is accompanied by enriched expression of large intergenic non-coding RNAs (lincRNAs).The phenomenon of combinatorial transcriptional regulation by lncRNAs is also found in plants. The transition from vegetative to reproductive development is a highly regulated process that, in many plant species, is sensitive to environmental cues that provide seasonal information to initiate flowering during optimal times of the year.To learn more about lncRNA:
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Matter can store energy by its position or chemistry.
Answers
Answer:
Matter can store energy, as a result of its position.
Explanation:
Demolition machine stores energy when kept at elevated position. The stored energy of position is referred to as potential energy.
I RLLY NEED HELP ON THIS QUESTION
Answers
Answer:
tHE FIRST ONE
Explanation:
Which of the following affects recreational activities that people do in a region?
A.
soil type
B.
plants
C.
presence and quality of water
D.
oil
Answers
Answer:
A. Soil Type, B. Plants, and C. Presence and Quality of Water
Explanation:
A) Soil contains air, water, and minerals as well as plant and animal matter, both living and dead, which is why it must be the first answer
B) Plant Elements include nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, boron, chlorine, iron, manganese, zinc, copper, molybdenum, and nickel. It is used for photosynthesis
C) Do i really need to explain this one?
How many generations are represented in the pedigree above? *
Answers
Answer:
A basic pedigree usually includes three generations—the consultand's first-degree relatives (parents, children, siblings) and second-degree relatives (half siblings, grandparents, aunts and uncles, grandchildren). Third-degree relatives, particularly cousins, are often included, if only to note that they "exist."
Explanation:
Describe the events that occur during the cell cycle. Include what happens in each of the following stages: interphase, mitosis, cytokinesis.
Answers
Answer:
Cell cycle or cell division refers to the series of events that take place in a cell leading to its maturity and subsequent division. These events include duplication of its genome and synthesis of the cell organelles followed by division of the cytoplasm.
interphase-During interphase, the cell copies its DNA in preparation for mitosis. Interphase is the 'daily living' or metabolic phase of the cell, in which the cell obtains nutrients and metabolizes them, grows, reads its DNA, and conducts other "normal" cell functions. This phase was formerly called the resting phase.
mitosis-In cell biology, mitosis is a part of the cell cycle, in which, replicated chromosomes are separated into two new nuclei. Cell division gives rise to genetically identical cells in which the total number of chromosomes is maintained.
Cytokinesis-Cytokinesis is the division of the cytoplasm in eukaryotic cells that produces distinct daughter cells. Cytokinesis occurs at the end of the cell cycle following mitosis or meiosis. In animal cell division, cytokinesis occurs when a contractile ring of microfilaments forms a cleavage furrow that pinches the cell membrane in half.
Explanation:
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Why doesn’t the chromosome number double every time a new generation is formed?
Answers
Answer:
Mitosis
Explanation:
Mitosis is the process of cell division. both daughter cells that come out of mitosis are duplicates of eachother. the chromosomes split so each cell has the same amount as the parent cell. thus, the chromosomes do not double.
Which distance is the greatest
Answers
Answer:
you have to be more specific we don't know what you are talking about.
Explanation:
choose the main divisions of the subclavian artery that supply the brain, head, and neck.
Answers
The subclavian artery is a major artery that supplies blood to the upper body, including the brain, head, and neck. The subclavian artery has three main divisions: the vertebral artery, the thyrocervical trunk, and the costocervical trunk.
The vertebral artery arises from the first part of the subclavian artery and runs through the cervical vertebrae to supply the posterior part of the brain. The thyrocervical trunk arises from the subclavian artery's second part and divides into four branches that supply blood to the thyroid gland, the upper part of the chest wall, the shoulder girdle, and the neck.
The costocervical trunk also arises from the second part of the subclavian artery and supplies blood to the deep muscles of the neck and upper back. Overall, the subclavian artery's main divisions play a crucial role in supplying oxygen-rich blood to the brain, head, and neck, making them vital for maintaining proper brain and body function.
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The point where chromosomes are attached are called
A. Chromatids
B. Centromeres
C. Spindles
D. Genes
Answers
Answer:
B. Centromeres
Explanation:
1 It is hard to imagine how big a billion is. A billion is 1 000 000 000 (or one thousand
million). There are 1 000 millimetres in 1 metre and 1 000 metres in 1 kilometre.
How many millimetres are in 1 kilometre?
Answers
Answer:
100000
Explanation:
multiply the length value by 1e+6
which is a carcinoma of the lining of the lungs or heart and is usually associated with exposure to asbestos?
Answers
The carcinoma of the lining of the lungs or heart that is usually associated with exposure to asbestos is called mesothelioma.
Mesothelioma is a type of cancer that develops in the thin layer of tissue that covers the lungs (pleura) or the lining of the heart (pericardium). It is primarily caused by inhaling asbestos fibers, which can accumulate in the lining of the lungs or heart over time.
Exposure to asbestos, a mineral fiber commonly used in construction materials and other industries, is the primary risk factor for developing mesothelioma. Asbestos fibers can be released into the air when asbestos-containing materials are disturbed or damaged, and when inhaled, they can penetrate the lining of the lungs or heart. Over time, the fibers can cause inflammation, scarring, and genetic damage to the cells, leading to the development of mesothelioma.
Mesothelioma is a rare and aggressive form of cancer. Its symptoms typically do not appear until several decades after exposure to asbestos, making diagnosis challenging. Common symptoms include chest pain, shortness of breath, persistent cough, fatigue, and unexplained weight loss.
Treatment options for mesothelioma may include surgery, chemotherapy, radiation therapy, and targeted therapy, depending on the stage and extent of the disease. Early detection and intervention are crucial for improving prognosis and treatment outcomes.
It's important to note that exposure to asbestos should be avoided to prevent the development of mesothelioma and other asbestos-related diseases. Strict safety regulations and guidelines have been implemented to minimize the risk of asbestos exposure in industries where asbestos may be present.
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assume you saw biofilm formation on the negative control slide. what could account for such an observation?
Answers
Biofilm formation on the negative control slide could be attributed to contamination, equipment or procedural error.
What are some potential causes of biofilm formation on the negative control slide?Biofilms are communities of microorganisms that adhere to surfaces and produce extracellular matrix. When conducting experiments to test for biofilm formation, it is common to include a negative control slide that should not have any biofilm growth. However, if biofilm is observed on the negative control slide, it can indicate a problem with the experiment. The presence of biofilm on the negative control could be due to contamination, equipment error, or procedural error.
Contamination can occur in a variety of ways. The slide could have been contaminated during handling or preparation, or the microorganisms used in the experiment may have been contaminated. It is important to take measures to prevent contamination, such as sterilizing equipment and using aseptic technique.
Equipment error can also cause biofilm formation on the negative control slide. For example, if the incubator temperature is too high, it could cause unintended biofilm growth. Proper calibration and maintenance of equipment can help prevent these types of errors.
Procedural error is another potential cause of biofilm formation on the negative control slide. The experiment may have been conducted incorrectly or there could have been a mistake during the preparation of the samples. Double-checking the procedure and following established protocols can help prevent these types of errors.
In conclusion, biofilm formation on the negative control slide can be caused by contamination, equipment error, or procedural error. Taking measures to prevent contamination, properly calibrating and maintaining equipment, and following established protocols can help prevent these types of errors.
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In photosynthesis --------- energy is converted into ------------------ energy
Answers
Answer:
Light Energy is converted to Chemical Energy
Explanation:
Please Help, I need Recipes!!!
A grocery shopper who works for Instacart (a platform where people get paid to shop for other people that need groceries) gets paid $3.50 for every mile and gets paid $2.00 for each item needed at the grocery. If Jessica an Instacart shopper needs to get 25 items and the trip to get to the grocery store is 10 miles away and the trip to the person ordering is 15 miles away how much money will Jessica make?
DO NOT SOLVE THIS MONSTER MATH PROBLEM, Unless you want...
True story, an instacart shopper delivered my house with THREE GALLONS OF WHOLE MILK we must keep it and my family doesn't even drink whole milk and im lactose intolerant, SO I need help getting Recipes so the 3 WHOLE GALLONS OF WHOLE MILK doesn't go bad, I rather desserts? because those last for two weeks I think.
This is biology help, giving me a recipe its science... right??
Asking for a friend, pls help me!
Answers
Here are some recipes that are perfect for whole milk, and are desserts...
* Chocolate Pudding
* Milk Flan
* Tres Leches
* Hot Milk Cake
* Vanilla Pudding
* Bread Pudding Pie
* Peanut-butter & Jelly Ice cream
* Chocolate Spice Layer Cake w Caramel Icing
* Coconut-Macadamia Sheet Pan Pancakes
* Roasted Strawberry Sheetcake
* Mama's Blackberry Cobbler
* New England Indian Pudding
Hope this helps!
Soil erosion can be BEST prevented by
- Heavily watering the vegetation on the slope
- Increasing the slope of the land by adding more soil
- Building terraces into the sides of a slope
- removing grass from the steepest slope.
I need help!!
Answers
Answer: Following are some of the methods of soil erosion prevention: Plant trees on barren lands to limit erosion of soil. Add mulch and rocks to prevent the plants and grass underneath to prevent soil erosion. Mulch matting can be used to reduce erosion on the slopes.
Answer:
Building terraces into the sides of a slope
What two things must happen for DNA to be analyzed from a crime scene?
Answers
Answer:
If there is a strong body of evidence against a suspect, the courts can order them to provide a DNA sample. Once forensic scientists obtain a sample, they extract the DNA from cells in bodily fluids or tissues and copy it
when both the sternocleidomastoid muscles contract, which way does the head turn?
Answers
The answer to the given question is as follows: When both the sternocleidomastoid muscles contract, the head turns towards the opposite side.
The answer to the given question is as follows: When both the sternocleidomastoid muscles contract, the head turns towards the opposite side. These muscles are the pair of large muscles that run from the back of the ears to the clavicle (collarbone) and sternum (breastbone). They act as flexors of the neck and help with the rotation of the head. When the sternocleidomastoid muscles contract together, they can cause the head to flex forward or bow down, depending on the degree of contraction. In addition to rotation and flexion, the sternocleidomastoid muscles are also involved in side bending of the neck. The muscles are innervated by the accessory nerve and are essential for maintaining good posture. Dysfunction of the sternocleidomastoid muscles can lead to a variety of problems, including headaches, neck pain, and restricted range of motion in the neck. Hence, the contraction of the sternocleidomastoid muscles plays an important role in controlling the movement of the head and neck.
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According to Alfred Wegener, the presence of Permian-aged Mesosaurus fossils in both Brazil and Africa was evidence that:
Answers
The presence of Permian-aged Mesosaurus fossils in both Brazil and Africa is evidence that South America and Africa were once joined as part of a single continent. Alfred Wegener proposed Pangea.
Alfred Wegener and PangeaAlfred Wegener was a geologist who proposed all continents were once a single landmass known as Pangea.
Alfred Wegener indicated that this landmass broke and continents separated and drifted to their present locations.
Wegener developed these ideas in a publication known as "the Theory of Continental Drift".
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) _____________ are ciliated cns neuroglia that play an active role in moving the cerebrospinal fluid. a) ependymal cells b) schwann cells c) oligodendrocytes d) astrocytes
Answers
Ependymal cells are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid. So, the correct answer is a) Ependymal cells.
Ependymal cells are ciliated glial cells that form an epithelial barrier, called the ependyma, lining the brain’s ventricular system and the spinal cord’s central canal. They develop from radial glia along the surface of the ventricles of the brain and spinal canal starting from the first postnatal days, thereby providing an interface between the parenchyma and cerebrospinal fluid (CSF)-filled cavities throughout life. This interface allows ependymal cells to control the bidirectional passage of immune cells and solutes between the CSF and interstitial fluid while also providing homeostatic regulation of molecules.
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