Water has a remarkable ability to cling to itself and other substances. The propensity of water molecules to be attracted to other water molecules, allowing water to be a "sticky" liquid, is described by the property of cohesion.
Which bond is present between water?The difference in charge between slightly positive hydrogen ions and other, slightly negative ions causes hydrogen bonds, which are electrostatic forces.
Hydrogen bonds form between adjoining hydrogen and oxygen atoms of adjacent water molecules in the case of water. A hydrogen bond is formed when individual water molecules attract each other.
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Which structure controls what enters and leaves the cell?
A) cell membrane
B mitochondria
c) cell wall
D nucleus
The "Cell Membrane" controls what enters and exits the cell and thus protects the cell.
Answer: A: The cell membrane
Explanation: Hope this helps!
Participating in cardiovascular exercise in the target heart rate zone will result in:.
Participating in cardiovascular exercise in the target heart rate zone will result in the reduction of the risk of heart disease, stroke, and diabetes.
What is the target heart rate zone?The target heart rate is typically represented as a percentage of your maximum safe heart rate, typically between 50 and 85 percent.
The highest rate is determined by deducting your age from 220. Therefore, the maximum heart rate for a 50-year-old is 220 minus 50, or 170 beats per minute.
Your ability to complete daily tasks more easily can be increased by increasing your cardiovascular endurance. Additionally, it can lower your risk of developing conditions including diabetes, heart disease, and stroke.
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What is a colony forming unit and how is it used to infer microbial numbers in a sample?.
Answer:
What is a colony-forming unit and how is it used to infer microbial numbers in a sample? A colony-forming unit is the measurable number of colonies that are formed on the agar plate solution. In this experiment, each colony formed of S. cerevisiae will be a colony-forming
Select the correct answer from each drop-down menu.
A mouse had a gene sequence of GTT coding for leucine, an amino acid.
mutation in this gene led to the formation of GTG. However, the amino acid formed was leucine, despite the mutation. This is a
mutation for the mouse.
The mutation that occurred in the mouse is a silent mutation since it does not affect the amino acid sequence in the protein.
What is a mutation?A mutation is a change that occurs in the sequence of nucleotides in the DNA of organisms.
A mutation can either have deleterious effect on the organism or have no effect at all. Mutations that do not have any effect on the organism are known as silent mutations.
Silent mutations do not affect the sequence of amino acids that make up a protein.
Therefore, the mutation that occurred in the mouse is a silent mutation since it does not affect the amino acid sequence in the protein.
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Which statements describe how traits are inherited
Answer: Traits are inherited when the genes from parents are passed off to their offspring.
Explanation:
How does the body obtain more glucose, if it is needed for cell respiration?
Through the process of cellular respiration, the energy in food is changed into energy that can be used by the body's cells. Initially, the sugars in the food you eat are digested into the simple sugar glucose, a . The varying glucose concentration affects the rate of cellular respiration as all living cells require both glucose and oxygen for their proper functioning. If the cell has a low level of glucose, then it cannot produce the energy -ATP molecules.
monosaccharide means any of the class of sugars (e.g., glucose) that cannot be hydrolyzed to give a simpler sugar.
in this phase of mitosis the cells DNA is replicated so that both daughter cells will have
Answer:
the same.
Explanation:
It is because mitosis is a cell of DNA and if the both daughter mitosis's DNA will have the same.
Select the correct answer.
Which is the correct definition of a large animal?
O A.
an animal that lives outdoors
OB.
an animal used for food, farming, or agriculture
OC. an animal of a large size that needs daily care
OD. an animal that needs large farms
Answer:
OC is the correct answer
plase help my and thanks . ammm
From the illustration, it can be said that the age of the rock layer is the same in the four locations of index fossil 1.
Age of fossilIt is a measure of how long a material has been fossilized.
Thus, if a rock layer contains a fossil and another similar rock layer does not have the fossil, one can conclude that the ages of the rock layers are different.
Only index fossil 1 is found in all the four locations as shown in the image. Hence, one can as well infer that the rock layers in all these four locations are of the same age.
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PLEASE HELP ASAP. WILL GIVE BAINLIEST! How does technology influence how the types of energy sources are used? Give an example to support your answer.
Answer:
It has provided for the use of alternate energy sources that have reduced impact on the environment. For example, if we are on our electronics that uses electrical energy which means that that energy is used in the electronic. So that means the energy that is always used which is electrical energy is an example of my answer
HELP ME IM ALMOST DONE
Answer:
option B
should be right answer for the question
Answer: B
Explanation:
Identify the fungus type pictured below.
The image shows cup shaped fungi.
Public Domain
Club fungi
Sac fungi
Imperfect fungi
Zygote fungi
Cup-shaped fungi are a type of sac fungi.
Cup fungi or Pezizacea are a unique-shaped fungiThese mushrooms grow and form the shape of a cup, giving them their nameThe function of this cup shape is to allow water drops to fall on the gills of the fungus and help disperse the fungal sporesIn short, the cup shape helps to promote spore dispersalCup fungi belong to the group AscomycotaAscomycota are also called sac fungiAscomycota is the largest phylum in the fungi kingdomA few cup fungi function as pathogensHence, Sac fungi include the group of cup-shaped fungi
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Answer:
Sac Fungi
Explanation:
13.04 building muscles explain muscles
Answer:
Muscle is a soft tissue found in both animals and humans. The cells of the muscles comprise protein filaments of actin and myosin that slide past one another, which produces contraction and changes both the length and the shape of the cell.
Muscles function by producing force and motion and are primarily responsible for:
1. Locomotion.
2. Maintaining and changing body posture.
3. Circulation of blood cells throughout the body.
4.Movement of internal organs, such as the contraction of the heart and the movement of food through the digestive system via peristalsis.
There are three types of muscles
•Skeletal or striated muscles
•Cardiac muscles
•Smooth muscles
Based on the muscle action, muscles are further classified into:
•Voluntary muscles
•Involuntary muscles
The extracellular material of a tissue is called the:.
Answer:
The extracellular material of a tissue is called the Matrix
When a glacier retreats, it leaves barren rock, no soil or plants. What is this an example of?
Primary succession
Secondary succession
Both
re-introduction
Answer:
a primary succession because it helps to retreats glacier water ..
How is an
anatomical
adaptation
defined?
A. a system present within the
organism that allows it to perform a
biochemical reaction
B. a feature of the organism's body
that helps it survive and reproduce
C. a response from the organism that
changes it's behavior to help it survive
and reproduce
Anatomical adaptations involve every change in the organism's external structure. Option B. A feature of the organism's body that helps it survive and reproduce.
What is an anatomical adaptation?Anatomical adaptations are changes in the external structure of the organisms that help them survive and reproduce in a certain environment.
These adaptations allow the organisms
to camouflage if necessary (to scape from a predator or to hunt their prey, for instance), to protect themselves by imitating dangerous species' colors and shapes, to develop special structures needed to feed and move in that specific environment.
There are other two types of adaptations apart from anatomical ones. These are physiological and behavioral adaptations.
Options
A. a system present within the organism that allows it to perform a biochemical reaction ⇒ This is a physiological adaptation
B. a feature of the organism's body that helps it survive and reproduce ⇒ This is an anatomical adaptation
C. a response from the organism that changes it's behavior to help it survive and reproduce ⇒ This is a behavioral adaptation
The correct option is B. a feature of the organism's body that helps it survive and reproduce
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An earthworm's body plan
consists of all, EXCEPT which
of the following?
A. a simple brain with a nerve cord
B. pores in the skin for food to move in and a stomach in each
segment
C. longitudinal and circular muscles for movement
D. a heart of aortic arches and vessels along the body
An earthworm's body plan consists of all, EXCEPT pores in the skin for food to move in and a stomach in each segment. Thus, option "B" is correct.
What is an earthworm's body plan?The physique of the earthworm is segmented which appears like numerous tiny rings combined or merged collectively. The earthworm is made of around 100-150 segments. The segmented body portions deliver significant organizational purposes.
Segmentation can help the earthworm move. Each segment or piece has muscles and bristles named setae. The bristles or setae support the anchor and govern the worm when stirring over the soil. The bristles grasp a segment of the worm definitely into the ground while the other portion of the physique projects forward.
The earthworm uses parts to either contract or relaxes self-sufficiently to source the body to grow in one area or contract in other areas. The division supports the worm to be supple and sturdy in its drive. If each section stimulated collectively deprived of being self-governing, the earthworm would be stationary.
Thus, option "B" is correct.
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HELPPPP SCIENCEEE!!!!!!!
Answer:
The biodiversity garden are rich in variety of flora which can include native Plant species that provode food and habitat to native pollinator.
Anyone know how to do this?
Answer:
The ones in bold are the answers. I really hope this helps you.
Explanation:
Blood sugar is too high. Pancreas releases insulin to stimulate the liver and store glucose to break down sugar from the blood and store it as glycogen or glucose. Blood sugar levels decreases.
Blood sugar level is too low. Pancreas releases glucagon to stimulate the glucose production in the liver and maintain adequate plasma glucose concentrations to convert stored glucagon and fat back into glucose to be released in the blood. Blood sugar levels increases.
Good luck... ^.^
Coal is a fossil fuel that is used to produce electricity. Which of these statements best describes a cost of coal mining on the region around the mines? (4 points)
It gets less electricity.
It becomes depleted of essential minerals.
Its groundwater is contaminated.
Its rivers and streams become dry.
The statement that best describes a cost of coal mining on the region around the mines is that Its groundwater is contaminated.
What is coal mining?A coal mine is a mine from which coal ore or coal minerals are mined.
Mining is activity of removing solid valuables from the earth or the activity that extracts or undermines.
Mining is a process that releases pollutants into the environment, therefore, the statement that best describes a cost of coal mining on the region around the mines is that Its groundwater is contaminated.
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Which of the following best explains how the root hair contributes to the function of the root epidermal cell? Choose 1 answer: Choose 1 answer:(Choice A)
A
It causes the cell to move in response to stress.
(Choice B)
B
It gives the cell enough space for a nucleus.
(Choice C)
C
It allows the cell to absorb more water.
Answer:
C - It allows the cell to absorb more water.
Explanation:
Specialized cells often have unique structures that allow them to carry out a function. For example, a root hair increases the surface area of a root epidermal cell, allowing the cell to absorb more water.
Answer:
C - it allows the cell to absorb more water
If an organism were to die in an environment that had no saprotrophs or detritivores, what would you expect to see if you observed the area 2 weeks later?
A. There would be nothing left, it will have completely decomposed.
B. The body would remain, and be just as it was when it died except for weathering.
C. There will be no difference as compared to an area that has saprotrophs and detritivores.
D. The body would be decomposing at about half the normal speed.
The body would remain, and be just as it was when it died except for weathering expect to see if you observed the area 2 weeks later. Thus, the correct option is B.
What is detritivores?Detritivores is defined as an organism that feeds on dead and deteriorating organic stuff (such as an earthworm or a fungus).
Decomposers that live on or in dead organic matter secrete enzymes and release nutrients into the ecosystem are known as saprotrophs. Fungi are an example.
The deceased organisms will remain the same without detrivores and saprotrophs, with the exception of weathering, which is taken out by air, water, or other agents.
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The higher the __________ content of a DNA, the ________ the melting temperature, and the ________ the ionic strength, the ________ the melting temperature. A:T; higher; higher; lower G:C; lower; higher; lower G:C; higher; lower; lower A:T; lower; lower; higher G:C; higher; higher; lower
Answer:
G:C, higher, higher,
Explanation:
G:C have 3 Hydrogen Bonds, A:T only 2. So, G:C bind stronger to each other, so higer ionic strengh and higher melting temperature.
*the last gap and the first gap seem to be the same question
Which of these most likely explains why the bacterial population stopped growing?
Bacterial population needs an optimum environment to survive. The bacterial population stopped growing because bacteria competed for the nutrients and when the nutrients were consumed, they died.
What are the optimum conditions required for bacterial growth?Bacteria require optimum conditions and full of nutrients to survive. It can include the following:
Oxygen.pH.Temperature.Light.Nutrients.Osmotic pressure.Atmospheric pressure.Moisture, etc.Thus, the bacterial population stopped growing as they did not get optimum condition as the nutrients got consumed.
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Which surface attaches to the underlying epithelial cells or deeper tissues?.
Answer:
the surface that attaches to the underlying epithelial cells is the basal lamina
Explanation:
What did the Miller-Urey experiment provide evidence for?
*
a. primordial soup theory
b. endosymbiosis
c. spontaneous generation
d. biogenesis
Answer:
i believe it is endosymbiosis
Rabbits were introduced to Australia by humans and have caused severe disruptions to the natural ecosystem. How would you classify these rabbits?
The rabbits would be classified as exotic invasive species.
What are invasive species?Invasive species are plant or animal species that disrupt the ecological balance of ecosystems by their invasive attributes.
Invasive attributes include the ability to spread or multiply at a fast rate, sometimes secreting biological chemicals to inhibit the growth of other species.
Exotic invasive species are invasive species that are introduced, rather than being native to the ecosystem.
Thus, the rabbits can be classified as exotic invasive species.
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When a person sees a doctor about a respiratory illness, the doctor will want to determine if the sickness is in the upper respiratory tract or the lower respiratory tract. The starting point for the lower respiratory system is the trachea.
Which structures are part of the upper respiratory system? Select three options.
the larynx
the bronchus
the alveoli
the lungs
the pharynx
The structures which are part of the upper respiratory system include the following:
The pharynxThe larynxThe bronchus.What is Respiratory system?This is the system which is involved in the gaseous exchange of organisms and consists of organs such as lungs etc.
The parts mentioned above are found in the upper respiratory tract of most animals.
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When a protein denatures, which type of bonding is effected?
Answer:
When a protein is denatured, secondary and tertiary structures are altered but the peptide bonds of the primary structure between the amino acids are left intact. Since all structural levels of the protein determine its function, the protein can no longer perform its function once it has been denatured.A protein becomes denatured when its normal shape gets deformed because some of the hydrogen bonds are broken. Weak hydrogen bonds break when too much heat is applied or when they are exposed to an acid (like citric acid from lemon juice).
If you use pyrotechnic visual distress signals, how many unexpired vdss must you carry on board your vessel?.
If you use visual pyrotechnic distress signals, 6 pairs of unexpired vdss must be taken on board your vessel.
How many visual pyrotechnic distress signals to carry on the vessels?In coastal areas, up to 20 miles from the coast, the mandatory set of six flares must consist of two red star manual flares, two red star rockets with parachutes and two floating orange smoke (smoke) flares.
With this information, we can conclude that If you use visual pyrotechnic distress signals, 6 pairs of unexpired vdss must be taken on board your vessel.
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