Answer:
One uses energy and one does not.Explanation:
Can you mark me as BRAINLLEST PLEASE!!!!!!!!!! :-( T_T (ToT)( T_T) (x_x)Some mammals help maintain their body temperature by sweating when their bodies rise in temperature. Which property of water is responsible for the ability of sweat, which is mostly water, to help lower body temperature? Water absorbs heat by breaking hydrogen bonds. Water changes in density when it changes from a gas to a liquid. Water's ability to dissolve solutes, such as salt Water's ability to form hydrogen bonds with skin cells
Answer:
Water absorbs heat by breaking hydrogen bonds.
Explanation:
Specific heat is the amount of heat that must be absorbed or lost for 1 gram of that substance to change its temperature by 1 degree. As someone works out, their body releases sweat to keep their body from overheating. Specific heat it mentions that hydrogen bonds between water molecules require heat to form and break, which is what happens when we sweat.
Name three things organs that can live in water and on land
Answer:
CROCODILE
PENGUINE
TURTLE
Explanation:
how do obligate anaerobes, like the bacteria c. botulinum, get energy?
Answer:
It ferments.
Explanation:
This bacteria ferments glycine, proline, phenylaline, and leucine. The remaining energy is obtained by sugar metabolism.
Answer:
It gets energy by the process fermentation.
Which of the following positively contributes to the genetic variation of a population gene pool? A change in the DNA sequence within a gene or chromosome of a living organism. Random fluctuationsin the frequency of appearance of a gene in a small population. A populations size is reduced for at least one generation. A new colony is established by a very small number of individuals away from a larger population.
The option that positively contributes to the genetic variation of a population gene pool is as follows: change in the DNA sequence within a gene or chromosome of a living organism (option A).
What is genetic variation?Genetic variation is the difference in DNA sequences between individuals within a population. Genetic variation is what makes us all unique, whether in terms of hair colour, skin colour or even the shape of our faces.
The multiple sources of genetic variation include the following;
mutationgenetic recombinationMutations, which is the change in the DNA sequence of a population, are the ultimate sources of genetic variation, but other mechanisms, such as genetic drift, contribute to it, as well.
Therefore, it can be said that option A contributes positively to genetic variation in a population.
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Cyclins are a family of closely related proteins that.
Answer:
It is a family of Protetins
Explanation:
It works together to control the progress of a cell through the cell cycle
What type of tissue, present in the walls of blood vessels, allows for regulation of vessel diameter
Answer:
smooth muscle
Explanation:
Which type of model is represented in the following image?
a
Computer simulation
b
Graph
с
Map
d
Small-scale object
Answer:
d
Explanation:
Its a map but showing the northern, southern, Eastern, and Western province of the earth.
Which is the purpose of a cladogram?
O to calculate molecular clocks
O to classify extinct species
O to organize genetic information
O to analyze evolutionary relationships
Answer:
To analyse revolutionary relationships
what is the major commonality of the different somatic symptom disorders?
Somatic symptom disorders are a group of conditions characterized by the presence of physical symptoms that are not fully explained by any underlying medical condition or organic pathology. These disorders include somatic symptom disorder, illness anxiety disorder, conversion disorder, and factitious disorder.
The major commonality among these disorders is that they are all primarily psychological in nature, and the symptoms are thought to be driven by psychological factors such as anxiety, depression, or trauma. Individuals with these disorders often have significant distress or impairment related to their physical symptoms and may seek medical attention repeatedly in search of a medical explanation or relief.
Effective treatment typically involves a collaborative approach between mental health professionals and medical providers, with a focus on addressing the underlying psychological factors contributing to the symptoms and improving coping skills and quality of life.
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LOVE LETTER: You are writing a love letter to water. Using the meanings of at least
6 properties of water (cohesion, adhesion, density, pH, moderates temperature, hydrogen
bonding, polarity, solubility), to explain to water why you love it so much. Ex: "Your
neutral pH is so much more attractive than orange juice's sour & acidic pH"
Answer:
Dear water,
I love you, You are highly special to me as you are attracted towards you own molecules(cohesion) and others as well(adhesion). Your density is so compatible that its used as standard for almost all reactions. You are neither acidic nor basic and you hold a PH of 7. You can also be used as temperature moderators as you have the highest specific heat capacity. You hold special bonds with selected molecules and form hydrogen bonding, Polarity of you molecules makes you bend just like ammonia and your solubility is exceptional as you are considered a good solvent these qualities of your makes me love you even more.
A student measured a plant’s growth when given various amounts of water. Which type of data was collected by the student?
A cell has a defect that results in the loss of its ability to regulate the passage of materials such as water, food and
wastes into and out of the cell. In which of the following cell structures is this issue most likely to be found?
a. Ribosomes
b. Cell membrane
c. Chloroplasts
d. Endoplasmic reticulum
If the process shown is meiosis, we would expect cells A, B, C, and D to have how many chromosomes
Daughter cells in meiosis usually have half the number of chromosomes of their parents.
Chromosome number in meiosisMeiosis is called reductional division for a reason. It is because the number of chromosomes of the parent cell is usually halved in the daughter cells.
For example, if a cell with 46 chromosomes undergoes meiosis to produce four daughter cells. Each of the daughter cells will have 23 chromosomes.
This is unlike mitosis in which daughter cells have the same number of chromosomes as their parents.
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how we can increase the fertile land?
Answer:
Add Compost. Compost is decomposed organic matter, and it is the best thing you use to improve the health of garden soil.
Get a Soil Test.
Mulch the Soil Surface.
Prevent Soil Compaction.
Rotate Crops Each Year.
Grow Cover Crops.
Add Aged Animal Manure.
Explanation: Soil fertility is the ability of soil to sustain plant growth and optimize crop yield. This can be enhanced through organic and inorganic fertilizers to the soil. Nuclear techniques provide data that enhances soil fertility and crop production while minimizing the environmental impact.
the discomfort associated with irritable bowel syndrome can be alleviated with low doses of the class of antidepressants that block the reuptake of serotonin from the synaptic cleft (the space between adjacent neurons). serotonin is a relatively small polar neurotransmitter used to transmit nerve impulses in the nerve tissue in the gut and central nervous system. serotonin is transported back into the releasing neuron up its concentration gradient and down a sodium gradient. how might an antidepressant block serotonin reuptake by the releasing neuron?
It could block active transport of serotonin back into the cell by blocking a serotonin-sodium symporter.
The gastrointestinal system, usually known as the stomach and intestines, are affected by the illness known as irritable bowel syndrome (IBS). Constipation, diarrhea, and stomach discomfort are all possible symptoms. There may also be cramping.
IBS is a chronic ailment that requires long-term management. The abdominal discomfort of patients who took antidepressants for their IBS symptoms significantly improved, and other IBS symptoms including diarrhea, constipation, bloating, nausea, or urgency decreased as well.
Selective serotonin reuptake inhibitors (SSRIs) and tricyclic antidepressants (TCAs) may both lessen general IBS symptoms. Approximately 55% of patients on TCAs or SSRIs will benefit, as opposed to 35% of patients taking a placebo.
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besides the loss of myelin, individuals afflicted with multiple sclerosis also have a degenerative loss of .
Wallerian degeneration, in which axons degenerate distal to the site of damage, is one of the possible mechanisms responsible for axonal loss after demyelination. Axonal damage in MS is known to be exacerbated by wallerian degeneration.
The Central Nervous System's myelin sheath, which protects the neurons' axons and has a significant impact on signal transmission, is damaged in multiple sclerosis, a disease.
Multiple symptoms that can be physical, mental, or psychiatric are produced by MS. More specific signs and symptoms include double vision, a lack of coordination, muscle weakness, and blindness in one eye.
The only goals of treatments for multiple sclerosis are to alleviate current symptoms and stop the development of new ones.
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which statement best describes the enzyme represented in the graphs below? A. This enzyme works best at a temperature of 35 C and a pH of 8 B. This enzyme works best at a temperature of 50 C and a pH of 12. C. Temperature and pH have no influence on the activity of this enzyme. o.This enayime works be s0 C and a p sebove 12
The enzyme represented in the graphs works best at a temperature of 50°C and a pH of 12.
The graph indicates that there is a significant increase in enzyme activity at a temperature of 50°C and a pH of 12. This suggests that the enzyme's optimal conditions for activity are a high temperature and an alkaline pH. Option B, "This enzyme works best at a temperature of 50°C and a pH of 12," aligns with this observation.
Enzymes are highly sensitive to changes in temperature and pH, and their activity can be influenced by these factors. In this case, the graph shows a peak in enzyme activity at 50°C, indicating that the enzyme functions most efficiently at this temperature. Additionally, the graph shows another peak at a pH of 12, indicating that the enzyme's activity is highest under alkaline conditions. This supports the claim that the enzyme works best at a temperature of 50°C and a pH of 12. The other options can be ruled out based on the evidence provided by the graph, which clearly demonstrates the influence of temperature and pH on the enzyme's activity.
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the two major types of cell layering in epithelia are
Answer:
D) simple and stratified Is correct answer
Explanation:
Options:
A) Simple and proper
B) Stratified and pseudo stratified
C) Squamous and simple
D) simple and stratified
E) Cubodial and columnar
_______________________________
The layering of epithelium can be described in three ways: simple, stratified, and pseudostratified. Pseudostratified epithelium has cilia, which are thin hair-like extensions, and goblet cells, which are unicellular glands that release mucus.
____________________________________
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How do dying stars contribute to the formation of plants
The tendency of water molecules to stay close to each other as a result of hydrogen bonding causes all of the following except
the surface tension that allows leaves to float on water
the movement of water up the vessels in a tree trunk
the inability of ionic compounds to dissolve in water
the adhesion of water droplets to the side of a straw
Which of the following effects is produced by the cohesive properties of water molecules?
Lakes do not freeze solid in winter, even at below freezing temperatures.
Evaporation of water from a leaf's surface lowers the temperature of the leaf.
Water flows upward from a plant's roots to the leaves in narrow tubes.
Cells resist temperature changes, even as their internal processes give off heat.
Answer:
The tendency of water molecules to stay close to each other as a result of hydrogen bonding causes all of the following EXCEPT - the surface tension that allows leaves to float on water -the movement of water up the vessels in a tree trunk -the inability of ionic compounds to dissolve in water -the adhesion of water
Explanation: P.S. I love your name hehe. Is he your favorite character??
What must be true about the number of chromosomes to create fertilized cell?
In order to create a fertilized cell, the number of chromosomes in the sperm and egg must be equal. This is because during fertilization, the sperm and egg combine to form a zygote, which is the first cell of the new organism. The zygote contains the full complement of chromosomes that will determine the characteristics of the organism. If the number of chromosomes in the sperm and egg were not equal, the zygote would not be viable and the organism would not develop properly.
which molecule acts on brain centers to decrease appetite in mamnmals and other vertebrates
The molecule that acts on brain centers to decrease appetite in mammals and other vertebrates is called leptin.
Leptin is a molecule that acts on brain centers to decrease appetite in mammals and other vertebrates. It is produced by adipose tissue and regulates energy balance by inhibiting hunger signals and stimulating energy expenditure. When the body's fat stores increase, leptin levels increase, which signals the hypothalamus to decrease appetite and increase metabolism. This feedback loop helps maintain a stable body weight by balancing energy intake and expenditure.
Leptin acts on specific receptors in the hypothalamus, particularly in the arcuate nucleus, to regulate appetite and metabolism. It also influences the release of other hormones involved in regulating energy balance, such as ghrelin, which stimulates appetite, and insulin, which regulates glucose metabolism.
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during the ptc test from what type of cells was the dna extracted
TAS2R38 cell, which encodes a receptor for the capacity to taste the bitter substances phenylthiocarbamide (PTC) and 6-n-propylthiouracil (PROP), is the gene in this family that has received the most attention.
Scientists eventually learned through experimentation that the capacity to taste PTC was inherited and was encoded in our DNA. The taste sensitivity of humans to phenylthiocarbamide (PTC) has recently been linked to a significant region on chromosome 7q. A member of the TAS2R bitter taste receptor family is encoded by the TAS2R38 gene, which is located in this region.
Those with the bitter taste receptor gene TAS2R38 are able to detect PTC. Geneticists realized fairly quickly after PTC was discovered that there is an inherited component that affects how we taste PTC. Today, we are aware of the flavor of PTC.
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In response to stimulation by gravity, auxin_______________ the growth of root cells and causes the cells of the upper surface to elongate more quickly.
In response to stimulation by gravity, auxin promotes the growth of root cells and causes the cells of the upper surface to elongate more quickly. This process is known as gravitropism.
Gravitropism where the auxin accumulates on the lower side of the root, stimulating growth in that area and causing the root to bend and grow towards the direction of gravity. This mechanism helps the plant to establish a stable and functional root system, which is essential for its survival and growth.
Hence, This process is known as gravitropism, where plants respond to gravity by directing their growth. Auxin, a plant hormone, plays a crucial role in this response by regulating cell growth and elongation in different parts of the plant.
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A flashlight uses four batteries to power it. Which type of current flows inside the flashlight? A. direct B. alternating C. repeating D. pulsating
Answer:
A, direct
Explanation:
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Consider an isotope of sodium with a mass number of 25. The number of neutrons in this isotope of sodium is.
The number of neutrons in the isotope of sodium is 14 due to 11 number of protons.
Number of neutrons in isotope of sodium having mass number 25We know that atomic number of sodium is 11 which means sodium has 11 protons in its nucleus so if the atomic mass is 25 then 25 -11 is equals to 14.
So we can conclude that an isotope of sodium with a mass number of 25 has 14 electrons in its nucleus because there are 11 protons are present in the nucleus of sodium atom.
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1-Look at the equations for photosynthesis and cellular respiration below
Photosynthesis: 6CO2 + 6H2O + light energy → C6H12O6 + 6O2
Cellular Respiration: C6H12O6 + 6O2 → 6CO2 + 6H2O + 38ATP
1a- What products of photosynthesis are used by animals?
In this process they use carbon dioxide and light to make sugars and oxygen.
1b-What products of cellular respiration are used by plants?
cellular respiration is that the plant takes in glucose and oxygen, gives out carbon dioxide and water and releases energy.
2a-If you had seaweed living in an aquarium with water, and you added BTB indicator. What color would you expect to see? Why?
2b-What would this tell you about the level of CO2 ?
2c-How do these results show that seaweed is doing photosynthesis?
3a-If you had a fish living in an aquarium with water, and you added BTB indicator. What color would you expect to see? Why?
3b-what would this tell you about the level of CO2?
people's blood for normal or abnormal carbon dioxide, or CO2, levels to help diagnose certain medical conditions.
3c-How do these results show that the fish is doing cellular respiration?
4-Complete the chart below for photosynthesis and cellular respiration.
What 3 variables affect PS?
What 2 variables affect CR?
5a-If you had an aquatic plant and animal in the same aquarium, and added BTB to the water. What would happen to the level of CO2? (increase, decrease, stay the same) Explain.
Glucose and oxygen which can be used by the animals while on the other hand, carbondioxide gas is used by the plant.
Products of photosynthesis are glucose and oxygen which can be used by the animals in the process of cellular respiration while on the other hand, carbondioxide gas is the product of cellular respiration which can be used by the plant for making their own food during the process of photosynthesis.
If we had seaweed living in an aquarium with water, and we added BTB indicator, it shows blue color because there is less amount of carbondioxide gas which is responsible for the formation of carbonic acid. The reason behind little amount of carbondioxide gas is the process of photosynthesis done by seaweed.
Lower concentration of carbondioxide provides us information that seaweed is doing photosynthesis. If we had a fish living in an aquarium with water, and we added BTB indicator, we expect yellow colour because carbondioxide gas is added to the water by the respiration process of the fish.
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the oldest living individual organisms in the world are a type of:
The oldest living individual organisms in the world are a type of bacteria known as cyanobacteria or blue-green algae.
These microscopic organisms have been found to exist in various locations around the world, including hot springs and salty lakes. The oldest known cyanobacteria are estimated to be around 3.5 billion years old,
making them some of the oldest living organisms on Earth. Cyanobacteria are photosynthetic, meaning they are capable of converting sunlight into energy, and
they play an important role in many ecosystems as primary producers. Despite their small size, cyanobacteria have had a significant impact on the Earth's atmosphere and the evolution of life on our planet.
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what sequences of bases would pair with GTACG
Answer:
CATGC
Explanation:
There are four bases in DNA: adenine (A), cytosine (C), guanine (G) and thymine (T) and they form base pairs. A pairs with T and C pairs with G.
Please send an answer quick thank you. By the way this is a science question, to see the whole page click on the picture.
Answer:
i believe its 3) hypothesis
Explanation:
you have to propose a hypothesis to conduct an experiment and make or break the theory