Answers
Answer:
c
Explanation:
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Related Questions
which molecules bind regulatory sequences of dna to encourage positive regulation of transcription?
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why is Ten dollars and Ice not a kinetic energy ?
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Answer: They aren't kinetic energy
Explanation: They are not because it is either motionless or at rest.
b19 , b20
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Answers
_____ mimic the process of natural evolution to generate solutions to optimization and search problems.
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Search algorithms are used to generate solutions to optimization and search problems.
Search algorithms that mimic the process of natural evolution. Search algorithms can be used to generate solutions to optimization and search problems using techniques such as mutation, selection, crossover, and chromosome.
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in the presence of a regulatory protein the lac operon is _____.
Answers
Answer:
The correct answer is : B. not transcribed
Explanation:
The regulatory protein of the lac operon is a repressor. A operon is a stretch of DNA consisting of an operator, a promoter, and genes for a related set of proteins, usually making up an entire metabolic pathway. The genes of an operon are sequentially ordered after the promoter.
what is the texture of a butterfly wing.
Answers
Answer: soft, chalkey
Explanation: .
What part of a plant cell responds to turgor pressure? *
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Answer:
Cell wall. The plant cell wall accounts for the turgidity and the rigidity in plants. The cell wall protects the plant cell from bursting due to the influx of water. Rather than bursting, the cell is able to withstand the osmotic pressure exerted by the water molecules.
The virus best known for causing mononucleosis, which is also suspected of contributing to Hodgkin's disease, is called
Answers
Label each of the components in the equation below. What type of reaction is shown in the equation?
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Answer:
It's an esterification reaction
Glycerol + Fatty acid ---> Triacylglycerol or triglyceride
+3 water molecules
The chemical equations shown depict esterification and dehydration reactions.
What is a chemical equation?Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.
A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .
The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.
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Why do the hydrogen ions and the hydroxide ions form bonds to make macromolecules?
Pick One of the Following:
A. They both have protons that attract to each other.
B. They each have an electrical charge that attracts to each other.
C. They both have electrons that attract to each other.
Answers
Answer:
A i think
Explanation:
which of the following is a way that human modification of limiting factors causes unbalance in ecosystems? a. habitat loss b. pollution c. climate changes d. all of the above
Answers
Answer:
D all of the above
Explanation:
The way that human modification of limiting factors causes imbalance in the ecosystem is : ( D ) All of the above
What are limiting factorsLimiting factors are factors contraining the growth of a population in an ecosystem. the modification by humans on these limiting factors causes an imbalance in the ecosytem which leads to loss of habitat, pollution and climate changes.
Hence we can conclude that The way that human modification of limiting factors causes imbalance in the ecosystem is : ( D ) All of the above.
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What is the job of the enamel on your teeth?
Answers
Explanation:
Enamel helps protect your teeth from chewing, biting, grinding, crunching, and so on. Enamel also serves to sort of protect the teeth from potentially harmful temperatures and chemicals.
PLEASE HELP ME IM TIMED!
Answers
Answer:
D
Explanation:
Actually fat is the best source of energy, since it is time consuming to break down a molecule of fat, carbohydrate is now used as an alternative to that since the molecules are broken down quicker.
What is the term for the congenital absence of the urinary bladder?
Answers
Answer:
Urinary bladder agenesis
Explanation:
Bladder agenesis may be the result of secondary atrophy of the urogenital sinus, perhaps owing to the lack of distension with urine caused by failure of incorporation of the mesonephric ducts and ureters to develop into the trigone.
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in which phase of the cell cycle do cells check to determine whether the dna is fully and correctly replicated?
Answers
Answer:
at the end of G2
Explanation:
. Tay-Sachs disease is a human genetic condition where cells build up with large, complex, and undigested lipids. Which organelle must be malfunctioning (not working) in this condition
Answers
Answer:
lysosomes
Explanation:
missing lysosomal enzyme
When muscle tissue is exercising under anaerobic conditions, the production of ______ is important because it ensures a continuous supply of NAD
Answers
Given what we know about the biological mechanisms behind anaerobic exercise, we can confirm that the production of lactate ensures a continuous supply of NAD.
In order for us to undergo any physical exercise, it is imperative that we are able to produce energy within our cells. The energy used by cells is in the form of a molecule by the name of ATP, which is produced primarily through a process known as Glycolysis.
This is relevant given that in order for glycolysis to happen, a key protein is required known as NAD+. Lactate is produced from pyruvate only under anaerobic conditions because these are conditions that lack oxygen which is the only other source of NAD+, therefore, pyruvate must be converted to lactic acid to make it possible to continue glycolysis and the production of ATP.
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which statement is not true about electrical synapses?
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What is the condition in a male in which the prostate gland enlarges and compresses the urethra, causing bladder, kidney, and urinary problems?
Answers
Answer:
b. Prostatic hyperplasia
Explanation:is correct
Match each part of the kidney with the correct label.
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Kidneys are externally surrounded by a three-layer capsule, and internally composed of the cortex, medulla, and pelvis. In the image, 1) Cortex, 2) Medulla, 3) Sinuses , 4) Capsule.
What are the kidneys?
The kidneys are bean-shaped, bilateral urinary organs located at each side of the vertebral column, under the ribs, and behind the abdomen (superior right and left abdominal quadrants).
Their main function is to filtrate blood, eliminate wastes and water excess through urine, and keep internal homeostasis.
When blood enters the kidneys, water, salts, and other waste substances are eliminated as urine, and the filtrated blood returns to the organism.
Kidneys are composed of different parts.
Externally,
Renal fascia ⇒ External layerRenal fatty capsule ⇒ Media layerRenal fibrous capsule ⇒ Internal layer
Internally,
the renal cortex ⇒ produces erythropoietinrenal medulla ⇒ contains nephrons, which filtrate blood and produce urine.renal pelvis ⇒ ilion
The medulla is arranged as pyramidal masses composed of tubular structures. In between the pyramids, there are renal papilla and calyces.
1) Cortex
2) Medulla
3) Sinuses
4) Capsule
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Do Grocery stores sell toothpaste cost?
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Answer:
Yes they do sell toothpaste in grocery store because toothpaste is a essential thing we use in our daily life. The cost may vary from shop to shop. So we can not tell the cost of the toothpaste accurately.
Explanation:
Answer:
english please that made no sense but yes i do believe that stores sell toothpaste
Explanation:
Which chromosome pair shows gender?
1
15
22
23
Answers
Answer:
23
Explanation:
a critical event in the death of a cell is caused by
Answers
Answer:Apoptosis and autophagy are both forms of programmed cell death. Necrosis is the death of a cell caused by external factors such as trauma or infection and occurs in several different forms.
Explanation:
Breathing is also known as which of the following?
*Ventilation
Internal respiration
External respiration
Gas exchange
Answers
Answer:
a. Ventilation
Explanation: post protected
What is the term used to describe homologous chromosomes exchanging genetic material during meiosis?.
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The term used to describe homologous chromosomes exchanging genetic material during meiosis is called crossing over.
CROSSING OVER:
Crossing over is the process whereby non-sister chromatids of homologous chromosomes (similar but non-identical chromosomes from each parent) exchange genetic material. Crossing over occurs in the prophase I stage of meiosis where homologous chromosomes lie side by side to form a structure called tetrad or bivalent. Crossing over ensures genetic diversity in the offsprings produced meiosis.Learn more about crossing over at: https://brainly.com/question/18824252?referrer=searchResults
Answer:
crossing-over
Explanation:
(ii) Two grey mice, when mated, produced a total of 8 white, 9 black and 17 grey offspring. Student A suggested that grey coat colour was dominant in the mice. Student B strongly disagreed Which student is right? Explain your answer using appropriate symbols (4 marks)
Answers
Does human intervention affect small-scale ecosystems differently than large-scale ecosystems?
two pieces of information along with their sources
Answers
Answer: No
According to BBC, Human activities such as harvesting plants and hunting animals can unbalance the flows and cycles within those [SMALL SCALE ECOSYSTEMS ]ecosystems. Tree-felling may lead to soil erosion and a loss of habitat. Lack of shade and moisture in the soil can result in desertification.
According to National Geographic, Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
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a red onion cell has undergone a change, as represented in the diagram below. This change is most likely due to the cell being placed in...
Answers
We can see that the cell is shrivelled meaning osmosis has taken place. So it must be salt water
A red onion cell placed in a saline solution will lose water when water moves from the cell to the surrounding hypertonic medium via osmosis, causing the cell to shrivel up.
What is osmosis?The passage of solvent molecules from a lower concentration solution to a higher concentration solution across a semipermeable membrane. It is a passive process that occurs without the use of any energy.
Solvent molecule transfer proceeds from low to high concentration regions until the concentrations on both sides of the membrane are equal.
What are the types of osmosis?An isotonic solution contains the same solute concentration both within and outside the cell.A hypertonic solution has a larger solute concentration outside than inside the cell.A hypotonic solution contains a larger concentration of solutes inside the cell than outside.Thus, we can conclude that when a red onion cell is placed in salt water.
As we can see in the diagram the onion cell shrink which means it is placed in salt water which is a hypertonic solution.
So, option (3) salt water is correct.
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materials are cycled out by the chloroplast and mitochondrion
Answers
Carbon dioxide, Water, Sugar And Oxygen.
1. Describe how chemical changes
are
different from physical changes.
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Answer:
Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula.
Explanation:
Answer:
In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not. In a chemical change, the kind of matter changes, and at least one new substance with new properties is formed.
Explanation:
Physical changes are limited to changes that result in a difference in the display without changing the composition.
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