Explanation:
Facilitated diffusion therefore allows polar and charged molecules, such as carbohydrates, amino acids, nucleosides, and ions, to cross the plasma membrane. Two classes of proteins that mediate facilitated diffusion are generally distinguished: carrier proteins and channel proteins.
Based on the reading how do you think the Hawaiian island chain formed? Be sure to mention the initial information of the island and the direction of Pacific and is moving.
Short answer please.
Answer:
The Hawaiian islands were formed by a hot spot in the middle of the pacific plate. The tectonic plate moved over the hot spot forming the islands.
Which of the following statements is true of the food web pictured?
The statement that is true about the food web in the picture is that the deer is a primary consumer. That is option C.
What is a food web?A food web is defined as the representation of various food chains that are associated with each other at various levels.
The food web is different from a food chain because a primary consumer can have more that one secondary consumer.
From the given picture, the squirrel is a primary consumer which is being eaten by two secondary consumers such as the vulture and the tiger.
Also from the picture, the deer is a primary consumer because it feeds directly on primary producers such as the scrubs.
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How are GM sugar beets different to normal sugar beets?
Answer:
A genetically modified sugar beet is a sugar beet that has been genetically engineered by the direct modification of its genome using biotechnology. Commercialized GM sugar beets make use of a glyphosate-resistance modification developed by Monsanto and KWS Saat.
Explanation:
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which statement is true concerning files sent directly from ftk for decryption in prtk/dna?
The statement that is true concerning files sent directly from FTK for decryption in PRTK/DNA is that they will undergo a decryption process that utilizes advanced algorithms and techniques to uncover hidden data and provide access to encrypted files.
PRTK/DNA is specifically designed for password recovery and decryption, and it works seamlessly with FTK to provide investigators with a powerful tool for accessing critical evidence. When files are sent directly from FTK to PRTK/DNA, they can be decrypted quickly and efficiently, allowing investigators to move forward with their case and gather the evidence they need to build a strong case.
When files are sent directly from FTK to PRTK/DNA, the process enables an efficient and secure workflow for decrypting password-protected files during a digital forensic investigation.
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Maple seeds spread so that new maple trees can grow.
Which way will these seeds most likely spread?
Answer:
Maple seeds travel on the wind by using their wings. The uneaten seeds will germinate some distance from the parent plant.
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Maple seeds are considered to be wind-pollinated.
These are very light seeds so they can easily transport by wind.What is the feature of seeds to disperse through winds?Lightweight.Silky hair.Wings. Seeds of plants like cotton, poppy and drumstick are dispersed by wind. Wind dispersed seeds have special adaptations which make their dispersal easier. They are light in weight. Some have wings that help them fly long distances.What are the methods through which dispersal of seeds take place?There are five main modes of seed dispersal:
Gravity, Wind, Ballistic,Water, Animals.To know more about seeds dispersal here
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what is a tentative explanation?
Predict how the population of each color snail may change over 10 more generations. Explain your reasoning.
Answer:
yes, the colour may change because the snails will start adapting to the predators. survival of the fittest, even though the offspring are not identical.
Mutation may also be a reason
Explanation:
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what is the major histocompatability complex (MHC). Is it part of the innate or specific immune response? What is the difference between MHC class 1 and MHC class 2? Which is endogenus and which is exogenous?
The major histocompatibility complex (MHC) is a group of genes that encode proteins responsible for presenting antigens to T-cells, a crucial step in activating an immune response.
The difference between the two classes lies in their structure and location. MHC class 1 molecule have a single chain and are found on most cells, while MHC class 2 molecules have two chains and are only found on antigen-presenting cells.
MHC is part of the specific immune response, as it is responsible for identifying foreign substances and triggering an immune response to eliminate them. MHC class 1 molecules are found on the surface of all nucleated cells and present endogenous antigens, meaning they present peptides derived from proteins made within the cell.
MHC class 2 molecules are only found on the surface of antigen-presenting cells and present exogenous antigens, meaning they present peptides derived from proteins taken up by the cell from outside sources, such as bacteria or viruses.
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A race car travels around a track. It went 20 meters east in 1 second. What was his velocity?
A. 0.05 m/s
B. 20 m/s east
C. 0.05 m/s east
D. 20 m/s
B. 20 m/s east
This is the answer.
Answer:
The answer is 20m/s east or B
The ____________ is adjacent to the duodenum of the small intestines. It is divided into four parts from right to left: ____________ , ____________ , ____________ , and ____________ . The tip of the tail is adjacent to the ____________ . The pancreas is ____________ gland that is located in the ____________ .
The head is adjacent to the duodenum of the small intestines. It is divided into four parts from right to left: head, neck, body, and tail. The tip of the tail is adjacent to the spleen. The pancreas is an exocrine gland that is located in the stomach.
It's on your abdomen, just behind your stomach. It's the size of your hand. During digestion, the pancreas makes pancreatic juice called enzymes. These enzymes break down sugar, fat, and starch. Your pancreas also helps your digestive system by producing hormones.
An organ produces one or more substances such as hormones, digestive juices, sweat, tears, saliva, and milk. Endocrine glands release substances directly into the bloodstream. Exocrine glands secrete substances into tubes or openings inside or outside the body.
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what is the initiator triplet in both prokaryotes and eukaryotes? which amino acid does this triplet recruit? a)i-iaa; no amino acid called in b)ijaa or uga; arginine c)aug; arginine d)aug; methionine e) uaa; methionine
Aug; methionine is the initiator triplet in both prokaryotes and eukaryotes, and it recruits methionine amino acid. So, option D is correct.
Methionine Aug is the initiator triplet in both prokaryotes and eukaryotes Methionine is desired by the codon AUG, which is additionally called the begin codon. Thus, methionine is the primary amino corrosive to dock in ribosomes amid the union of the proteins.
Tryptophan is interesting since it has amino acids specified by a single codon. Methionine is one of the essential amino corrosives.
It's required to create the protein and other compounds in your body. Methionine could be an amino corrosive. Amino acids are the building squares that our bodies utilize to form proteins. Methionine is found primarily in meat, angel, and dairy products.
It is the arrangement of proteins from mRNA. The protein blend can be isolated into three steps, comparative to mRNA union: Start, Stretching, and Termination.
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Most preganglionic fibers in the sympathetic nervous system synapse with __________.
Most preganglionic fibers in the sympathetic nervous system synapse with postganglionic neurons.
What is preganglionic fibers?
Fibers from the central nervous system (CNS) to the ganglion found near the vertebral column are known as preganglionic fibers.
What does preganglionic fibers synapse with?The preganglionic nerve fibers synapse with the postganglionic neurons inside the sympathetic ganglia.
Thus, we can conclude that most preganglionic fibers in the sympathetic nervous system synapse with postganglionic neurons.
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Which is not accurate concerning plate tectonics?
a.Some continents are drifting apart
b.There are seismic activity at the margins of the crustal plates
c.The continents ride on crustal plates
d.The continents are fixed in position
Answer:
There are seismic activity at the margins of the crustal plates , I think
In your own words, describe how DNA replication and RNA transcription occur. Your answer should include the names and functions of at least 5 proteins for DNA replication. and at least 2 proteins for RNA transcription. In what ways are they similar, and in what ways are they different?
DNA replication is a process in which DNA is duplicated so that each new cell produced by cell division has a complete copy of the organism’s genetic information.
It occurs in the S phase of the cell cycle. DNA replication involves the action of many proteins. Here are the names and functions of 5 proteins involved in DNA replication:
1. DNA polymerase III: Adds nucleotides to the growing strand of DNA.
2. Helicase: Unwinds the double helix to make the DNA molecule accessible for replication.
3. Primase: Synthesizes RNA primers on the lagging strand.
4. Ligase: Joins Okazaki fragments on the lagging strand.
5. Single-strand binding protein: Prevents the two strands of DNA from re-forming a double helix. RNA transcription is a process in which DNA is used as a template to create a complementary RNA molecule. It occurs in the nucleus and involves the action of many proteins.
Here are the names and functions of 2 proteins involved in RNA transcription:
1. RNA polymerase: Adds nucleotides to the growing strand of RNA.
2. Transcription factors: Proteins that bind to DNA and help RNA polymerase locate the start site of the gene being transcribed.
Similarities between DNA replication and RNA transcription: Both processes involve the use of a DNA template to create a new molecule. Both processes require the action of polymerases.
Differences between DNA replication and RNA transcription: DNA replication produces a complete copy of the DNA molecule, while RNA transcription produces a complementary RNA molecule. DNA replication occurs in the S phase of the cell cycle, while RNA transcription can occur at any time. DNA replication involves the action of more proteins than RNA transcription.
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the term that describes an unborn child from the ninth week of pregnancy until birth is
The term that describes an unborn child from the ninth week of pregnancy until birth is "fetus".During the first eight weeks of gestation, the developing embryo is referred to as an embryo.
After the eighth week, the developing organism is typically referred to as a fetus. At this stage, most of the major organs and systems of the body have formed, and the focus shifts to growth and maturation of existing structures.
The fetal stage is a critical period of development, during which the fetus undergoes significant physical and neurological changes. This includes the development of the brain and nervous system, as well as the growth and differentiation of various organs and tissues. During this time, the fetus is also capable of responding to various stimuli, such as sound and touch.
The length of the fetal stage varies depending on the species. In humans, the fetal stage typically lasts from the ninth week of pregnancy until birth, which usually occurs around the 38th to 42nd week of gestation. However, premature birth, which occurs before the 37th week of gestation, can result in a fetus that is not fully developed and may require medical intervention to support their growth and development.
In summary, the term that describes an unborn child from the ninth week of pregnancy until birth is "fetus".
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a sudden blow to the head results in pain that is transmitted by which type of fibers?
A sudden blow to the head results in pain that is transmitted by the type of fibers known as A-delta fibers.
A-delta fibers are a type of sensory nerve fibers, also known as Aδ fibers, that transmit fast pain signals from the body to the central nervous system. These fibers are myelinated and have a relatively large diameter compared to other types of pain fibers. When a sudden blow is applied to the head, the A-delta fibers are activated and carry the pain signals to the brain, resulting in the sensation of pain.
A-delta fibers are responsible for the initial sharp and intense pain perception that occurs immediately after an injury or trauma. They are involved in the body's protective response by signaling potential threats and triggering reflexes. In contrast, another type of pain fibers called C fibers transmit slower, dull, and chronic pain signals.
Understanding the different types of pain fibers helps in diagnosing and treating pain conditions effectively. By targeting specific pain pathways, healthcare professionals can develop appropriate strategies to manage pain resulting from injuries or other sources.
A sudden blow to the head results in pain that is transmitted by A-delta fibers, which are fast-conducting nerve fibers responsible for the initial sharp pain perception after an injury or trauma.
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Asking things like "What is the issue we need to solve?", or "What are my criteria/constraints?"...would be which step?
a) Generate Concepts
b) Define Problem
c) Develop prototype
d) Design a solution
Answer:
B) Define Problem
Explanation:
If there is a issue or criteria/constraints you would want to find the problem first to continue the process.
Which of the following is a true statement about weather and climate maps?
Climate maps change every day.
Weather maps cover long periods of time.
Climate maps use years of data collected over time.
Weather maps do not contain daily temperature ranges.
Answer:
The answer is climate maps use years of data collected over time
in meiosis shown in the image, homologous chromosomes separate in step a, which is called ______, and four haploid nuclei are formed in step b, which is called ______.
In meiosis, homologous chromosomes separate in step a, which is called "anaphase I," and four haploid nuclei are formed in step b, which is called "cytokinesis II."
During anaphase I of meiosis, homologous chromosomes, which consist of one chromosome from each parent, separate and move toward opposite poles of the cell. This ensures that each resulting cell receives only one copy of each chromosome pair.
Anaphase I is a crucial step in meiosis as it ensures the distribution of genetic material between the daughter cells is randomized and contributes to genetic diversity.
Following anaphase I, the cell enters cytokinesis II, the second stage of cell division in meiosis. Cytokinesis II involves the physical separation of the two cells formed after anaphase I, resulting in the formation of four haploid nuclei, each containing a single set of chromosomes.
These nuclei go on to further undergo a process called "telophase II" to form four distinct haploid cells, known as gametes, which are essential for sexual reproduction.
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Which term describes the area where apopulation lives?A. Age StructureB. Migration LocationC. Growth rateD. Geographic Distribution
Commonly the place where a population lives is described was a habitat, forming a biological community, however there is not an option with that term, but between the present terms the one that is closer to a term for the area where a population lives is D. Geographic Distribution, since all the other alternatives are related to different factors of ecological studies.
The name of the "currency" cells use for
energy is ...
A. RNA.
B. Protein.
C. ATP.
When a person is anxious or fearful, the autonomic nervous system shunts blood away from peripheral veins to the core of the body.
Select the one best answer
True
False
When a person is anxious or fearful, the autonomic nervous system shunts blood away from peripheral veins to the core of the body - TRUE
Sympathetic stimulation of blood vessels causes arteries and arterioles (resistance vessels) to constrict, increasing vascular resistance and reducing distal blood flow. The increased vascular resistance that results from this across the body raises arterial pressure. When our bodies shift into superman mode, the second signal is transmitted to the hypothalamus, where it activates our autonomic nerve system, which is in charge of the fight-or-flight impulse. Our bodies receive an adrenaline boost as well as an increase in heart rate and blood pressure. When you are afraid, you get that rush.learn more about autonomic nervous system here: https://brainly.com/question/4143211
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What had Phoebus Levene demonstrated about DNA?
Answer:
Scientists, such as Phoebus Levene, began deconstructing the DNA components. They found that DNA was essentially a long-chain molecule, made up of four different nucleotides, ribose sugar, and phosphate.
Explanation:
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In the picture below ions, or charged particles, are being pumped through the cell membrane.
Why do they require energy to transport across the membrane?
Answer: well if i had a picture it wouldve helped more but typically if a particle is moving into the cell, it doesnt require any energy, however moving particles outside of a cell requires a large amount of atp.
Explanation:
which word refers to a substance that repels ( or is repelled ) from water
a - hydrophilic
b- hydrophobic
c- hydraulic
d- neo-hydro
Answer:
B- hydrophobic!
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Explanation:
A typical human cell expresses about what portion of its protein-coding genes at any given time?.
A typical human cell expresses about 20% portion of its protein-coding genes at any given time.
What are Protein-coding genes ?DNA sequences that are translated into mRNA and from which the appropriate mRNA molecules are translated into polypeptide chains are known as protein-coding sequences. In a protein coding sequence, known as a codon, one amino acid in the polypeptide chain is encoded every three nucleotides.
The bulk of RNA sequences come from protein-coding genes, according to the conventional theory. They are translated into messenger RNAs (mRNAs), which are then exported to the cytoplasm and translated into proteins.
In mRNA, each trio of nucleotides is referred to as a codon, and each codon designates a specific amino acid (hence, it is a triplet code). Thus, the chain of amino acids that makes up a protein is assembled in order using the mRNA sequence as a template.
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During the photosynthetic process, glucose and what other molecule are created
durring puberty
Explanation:
Answer:
Oxygen
Explanation:
"Photosynthesis" is a process that is being used by plants in order to sustain their metabolic needs. In order to do this, it converts "light energy" into "chemical energy." There are mainly three things that are needed for the process: sunlight, water and carbon dioxide.
Sunlight (provides light energy) comes from the sun while water is drawn from the plant's roots. The light energy fuels the process. Carbon dioxide, on the other hand, is taken from the air by the plant's leaves. Once these three things are combined, they produce sugar (\(C_{6} H_{12} O_{6}\)) and oxygen (6\(O_{2}\)). So, the other molecule being asked above is "Oxygen."
LET'S CHECK
C. Arrange the following statements to the proper sequence of the path of circulation.
I.
____ The deoxygenated blood then travels through the veins and enters the right side of the heart.
____ The blood leaves the heart through the aorta.
____ The blood travels throughout the body via the arteries to the capillaries.
____ In the capillaries, the exchange of nutrients and gases occurs. Oxygen is absorbed by the cells while carbon dioxide is released into the blood.
II.
____ Exchange of gases happens as oxygen is received by the blood and carbon dioxide is released.
____ The deoxygenated blood flows from the right side of the heart to go to the lungs.
____ The oxygenated blood then returns to the left side of the heart.
Answer:
I.
4) The deoxygenated blood then travels through the veins and enters the right side of the heart.
1) The blood leaves the heart through the aorta.
2) The blood travels throughout the body via the arteries to the capillaries.
3) In the capillaries, the exchange of nutrients and gases occurs. Oxygen is absorbed by the cells while carbon dioxide is released into the blood.
II.
2) Exchange of gases happens as oxygen is received by the blood and carbon dioxide is released.
1) The deoxygenated blood flows from the right side of the heart to go to the lungs.
3) The oxygenated blood then returns to the left side of the heart.
Explanation:
Under typical cellular conditions, which enzyme does not catalyze an irreversible reaction in glycolysis?
A. hexokinase
B. pyruvate kinase
C. phosphofructokinase‑1
D. phosphoglycerate kinase
Phosphoglycerate kinase does not catalyze an irreversible process in glycolysis under normal cellular circumstances.
Discussion about glycolysis:
Ten stages make up the glycolysis process, seven of which are reversible and three of which are practically irreversible. These are the first, third, and final stages that are successively catalyzed by hexokinase, phosphofructokinase, and pyruvate kinase.During the glycolysis process, glucose 6-phosphate is changed into pyruvate. Everything that happens is cytoplasmic. Fructose 6-phosphate is created by reversible isomerization of glucose 6-phosphate. Physiologically irreversible fructose 6-phosphate phosphorylation to fructose 1,6-bisphosphate is performed by phosphofructokinase.Hexokinase, phosphofructokinase-1, and pyruvate kinase conduct nearly irreversible events during glycolysis, hence one would anticipate that these enzymes have both regulatory and catalytic functions.
So, option d i.e., phosphoglycerate kinase should be the appropriate response.
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your patient has had a total gastrectomy (removal of the stomach). which of these potential problems are you most concerned about? your patient has had a total gastrectomy (removal of the stomach). which of these potential problems are you most concerned about? anemia inability to digest starch because of the absence of amylase inability to tolerate fats because of absent bile salts excessive bleeding as a result of absent clotting factors in the blood.
The correct option is B,So, if stomach is removed during gastrectomy then digestion of protein is hampered and a person suffers from megaloblastic anemia as intrinsic factor helps in absorption of B12 which further help on development of RBC.
Gastrectomy is a surgical procedure that involves the removal of all or a portion of the stomach. It is usually performed to treat conditions such as stomach cancer, ulcers, or obesity. After gastrectomy surgery, patients may experience a range of side effects, including changes in appetite, weight loss, and digestive issues.
Gastrectomy is a major surgical procedure that requires careful consideration and preparation. It is typically performed by a team of experienced surgeons and healthcare professionals. There are several types of gastrectomy procedures, including partial gastrectomy, total gastrectomy, and sleeve gastrectomy. Partial gastrectomy involves the removal of a portion of the stomach, while total gastrectomy involves the removal of the entire stomach. Sleeve gastrectomy involves the removal of a large portion of the stomach to create a smaller, sleeve-shaped stomach.
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Complete Question: -
Your patient has had a total gastrectomy (removal of the stomach). Which of these potential problems are you MOST concerned about?
a. Excessive bleeding as a result of absent clotting factors in the blood
b. Anemia
c. Inability to tolerate fats because of absent bile salts
d. Inability to digest starch because if the absence of amylase