which part of the bone is a hollow cylinder that makes the bone strong
Explanation: diaphysis
what are some examples of diffusion in living organisms
Answer:
Oxygen and carbon dioxide, dissolved in water, are exchanged by diffusion in the lungs:
oxygen moves down a concentration gradient from the air in the alveoli to the blood.carbon dioxide moves down a concentration gradient from the blood to the air in the alveoli.Answer:
oxygen moves down a concentration gradient from the air in the alveoli to the blood.
carbon dioxide moves down a concentration gradient from the blood to the air in the alveoli.
Explanation:
What process is used to link amino acids together?
Answer:
condensation
Explanation:
Amino acids consist of carbon, oxygen, hydrogen, and nitrogen. The linking of two amino acids entails the release of a water molecule. Hence, the process that links two amino acids together is called condensation. The condensation reaction is also called a dehydration reaction.
Answer:
Amino acids consist of carbon, oxygen, hydrogen, and nitrogen. The linking of two amino acids entails the release of a water molecule. Hence, the process that links two amino acids together is called condensation.
the stimuli for kinesthesis is the __________ energy of joint and muscle movement.
Answer:
Thermal
Explanation:
Hope this helps
:)
How do the properties of water and the ability to modify the rates of chemical reactions enable living things to carry out functions necessary for life, such as digesting food?
Answer:
A chemical reaction is a process that changes some chemical substances into others. It involves breaking and reforming chemical bonds. They follow the Law of Conservation of Matter.
Explanation:
Energy is a necessity for all living organisms to survive, and ATP is a reactant that powers several other chemical processes inside cells. Cellular respiration is the method used by cells to produce energy.
What attributes of water are requisite for an organism?The term “universal solvent” refers to water's enormous capacity to dissolve a wide range of molecules, and it is this capacity that makes water such a priceless life-sustaining agent.
Water has five key characteristics: strong polarity, high specific heat, high heat of vaporization, low solid density, and affinity for other polar molecules.
The process of converting one chemical substance into another is known as a chemical reaction. Chemical bonds are broken and rebuilt in this process. The Law of Conservation of Matter is observed by them.
Therefore, Water's function as a solvent aids cells in the transfer and utilization of chemicals like oxygen and nutrients on a biological level.
Learn more about water here:
https://brainly.com/question/2561424
#SPJ2
what is the function of the structural elements of a virus?
Answer:
The capsid has three functions: 1) it protects the nucleic acid from digestion by enzymes, 2) contains special sites on its surface that allow the virion to attach to a host cell, and 3) provides proteins that enable the virion to penetrate the host cell membrane and, in some cases, to inject the infectious nucleic
Explanation:
Hope this helped you if it did please mark brainliest
The structural elements of a virus, such as the capsid, envelope, and spike proteins, serve to protect and deliver the viral genome into host cells for replication.
What are the structural elements of a virus?The structural elements of a virus have different functions that are essential for the survival and replication of the virus. These elements include:
Capsid: The capsid is the protein shell that surrounds the viral genetic material. It provides protection to the viral genome and determines the shape and size of the virus.Envelope: Some viruses are surrounded by an envelope, which is a lipid membrane that covers the capsid. The envelope helps the virus to evade the host's immune system and enter the host cell.Spike proteins: Spike proteins are protruding structures on the surface of the envelope that are used to bind to the host cell. They play a crucial role in the process of virus entry into the host cell.Nucleocapsid: The nucleocapsid is the complex of the viral genome and the capsid. It is responsible for protecting and delivering the viral genetic material into the host cell.Tail fibers: Some viruses have tail fibers, which are structures that help the virus to attach to the host cell and initiate the entry process.Learn more about virus, here:
https://brainly.com/question/1427968
#SPJ6
4 Student's were testing the physical properties of an unknown element.
They hit the element with a hammer and noticed that the element
shattered. They then used a flashlight and noticed the element reflected
little light. Based on these observations what could this element be? *
O Sodium
O Colbalt
Bismuth
O Phosphorus
Answer:
O Sodium
Explanation:
Please help urgent due today
Answer:
D. they return nitrogen to the system
Explanation:
hope it helps
why is sustainable use of natural resources important? to ensure that natural resources are available for future generations to help make daily life simpler by providing what every person needs to encourage scientists to make new and elaborate discoveries to prevent the exchange of resources from one region to another
Answer:
The correct answer is (a) to ensure that natural resources are available for future generations.
Sustainable development means optimized use of natural resources to meet the demand of people in the present and future scenario. The main aim of sustainable development is to balance our economic, environmental and social needs which allows the prosperity for now and future generations. Sustainability can only be maintained when the resources are used in a way that it meets the need of people, not the greed of people.This is done to ensure that natural resources are available for future generations.
Explanation:
Hope this helps...
The sustainable use is important as it ensure that the natural resources are available for future generations. So, the correct option is A.
What is Sustainable development?Sustainable development is defined as an organizational principle which aims to meet the human development goals while also enabling natural systems to provide essential natural resources and ecosystem services to humans.
The main objective of sustainable development is to balance our economic, environmental and social needs in a way which allows prosperity for present and future generations. The sustainable use is important as it ensure that the natural resources are available for future generations.
Therefore, the correct option is A.
Learn more about Sustainable development, here:
https://brainly.com/question/17411145
#SPJ7
Your question is incomplete, most probably the complete question is:
Why is sustainable use important?
to ensure that natural resources are available for future generationsto help make daily life simpler by providing what every person needsto encourage scientists to make new and elaborate discoveriesto prevent the exchange of resources from one region to anothereach muscle fiber is surrounded by thin connective tissue called the
The plasma membrane
a. allows all substances to pass into and
out of the cell
b. prevents all substances from passing
into and out of the cell
c. is composed mainly of a protein bilayer.
d. is composed mainly of a lipid bilayer.
What is the best microscope to get a detailed view of the parts inside of a preserved plant cell?
Transmission electron microscope
Scanning electron microscope
Compound light microscope
Dissecting microscope
Answer:
transmission electron microscope
Explanation:
If the pH of a solution Is increased from pH 5 to pH7 it means that the?
Answer:
If we refer to pH scale, pH = 7 means neutral solution pH > 7 means basic solution pH < 7 means acidic solution - pH: potential of hydrogen - pOH: power of hydroxide
Answer: it has gained more acidic
Explanation:
Which formation is the result of wind erosion?
a. glacial erratic
b. u-shaped valleys
c. mud slidesally
b. unusually shaped rocks
Answer:
No answer. But you can learn off this;
Explanation:
Wind erosion abrades surfaces and makes desert pavement, ventifacts, and desert varnish. Sand dunes are common wind deposits that come in different shapes, depending on winds and sand availability. Loess is a very fine grained, wind-borne deposit that can be important to soil formation.
Thanks.
Amy lases in saliva begin the break down of carbohydrates into
a. fatty acid
b. poly peptiles
c. amino
d. simple sugar
which one of them is the answer?
pls answer as possible I need the answer. thank u
Answer:
d. simple sugar
Explanation:
Hope it helps ya
what is a sequence of growth, replication, and division that produces new eukaryotic cells called?
help please for science
Answer:
The variety of different genes in a population of organisms
Explanation:
Genetic Diversity is in fact the overall range of individual and varying characteristics in a population. Genetic diversity is what makes different organisms and species unique, and even usher in traits that become favorable for survival. Without genetic diversity, many species would die out before evolving (because it would be near impossible to evolve with their surroundings without genetic diversity).
Solve .
A.
B.
C.
D. 64
Explanation:
i think it is d 64 bro please follow me
what contributes to antigenic shift in influenza viruses?
Answer:
The particular structure of the influenza virus genome and function of its viral proteins enable antigenic drift and antigenic shift.
Answer:
Between worldwide outbreaks, known as pandemics, influenza viruses undergo constant, rapid evolution (a process called antigenic drift ), which is driven by mutations in the genes encoding antigen proteins.
Antigenic shift is the process by which two or more different strains of a virus, or strains of two or more different viruses, combine to form a new subtype having a mixture of the surface antigens of the two or more original strains. The term is often applied specifically to influenza, as that is the best-known example, but the process is also known to occur with other viruses, such as visna virus in sheep. Antigenic shift is a specific case of reassortment or viral shift that confers a phenotypic change.
Explanation:
most of the photosynthesis in lakes and ponds occurs in the:
Answer:
its occurs in the Littoral zone
Explanation:
Which layer of the
earth has the greatest
density? Why?
Answer: metal inner core
Explanation:
It is made of the densest components & it is under the greatest compression; due to the overlying layers.
The inner core of Earth has the greatest density due to:
- The inner core is made of solid iron and nickel
- The inner core gets consolidated due to pressure exerted by the other top layers.
What are the different layers of the Earth?
Generally the Earth is made of three different layers:
- Crust- The outer layer
- Mantle - The Middle Layer
- Core - The Inner Layer.
Crust:
Outer layer of the Earth and is thin, brittle and cold compared to other layers.
It is majorly made of light elements especially silica, aluminum and oxygen.
The thickness of crust varies for for land and ocean where the former is thicker than latter.
Mantle:
It is around 3000 km thick and is the thickest layer of the Earth. It starts mere at 30 km from the earth's crust.
It is majorly made of Iron, Magnesium and silicon and is dense, hot and semi solid.
The upper part of the mantle is liquid in nature called as Asthenosphere and it is believed that tectonic plates rides upon here and slide across.
Core:
Core is further divided into Outer core and Inner core.
Outer core is made of iron and nickel and is liquid in nature. It is heated largely by the radioactive decay of the elements of the uranium and thorium and this liquid churn huge turbulent current.
Inner core is a solid metal ball having radius of 1220 km. It is extremely dense and is mostly made of iron and nickel.
The temperature of inner core is similar to that of the surface of sun along with high amount of pressure.
Thus this layer has the greatest density amongst all the layers of the Earth.
To learn more about the Earth's layer here
https://brainly.com/question/2893213
#SPJ2
To perform cellular respiration hydrogen atoms are moved across a membrane inside the mitochondria.
If no energy is required to move the hydrogen atoms from one side of the membrane to the other how
does this happen?
Answer: Passive transport
Explanation: Passive transport does not require energy to move substances across a membrane.
The stoneflies in the food chain are
they are formidable carnivores and are primary carnivores
How does the evolution of resistance in bacteria affect humans
Answer:
Bacteria, not humans or animals, become antibiotic-resistant. These bacteria may infect humans and animals, and the infections they cause are harder to treat than those caused by non-resistant bacteria. Antibiotic resistance leads to higher medical costs, prolonged hospital stays, and increased mortality.
Explanation:
Name four ways synthetic fibers are different from each other?
*forensic science*
Synthetic fibers can vary greatly from one another. The main reason they can have such varying characteristics is that they can be of four distinct types.
Synthetic fibers are those that cannot be found in nature, but rather are created by man. They can be of four types:
Nylon RayonPolyesterAcrylicRayon is one of the types of synthetic fibers created by man. One of the weaker fibers, It is commonly referred to as synthetic silk, having many properties similar to those of silk. It is the result of wood pulp being fused with cotton or wool and is commonly used to create beddings and other home decorations, in varying colors.
Nylon shares few, if any, characteristics with rayon. It is a strong and elastic synthetic fiber. In fact, nylon is stronger than steel wire, even though it is created from water, coal and air. Nylon can be found in tents, climbing equipment, toothbrushes, and many more everyday appliances.
Polyester is a stranger form of synthetic fiber. As its name implies, it is formed from the repetition of esters. Polyester is often used for dressing, given its wrinkle-free properties and resistance. However, many kinds of polyesters exist, leading to its use in bottles, wires and more.
Finally, Acrylic is the final kind of synthetic fiber. Acrylic is a fiber which is normally used to replace wool. Acrylic can be seen used in blankets and sweaters. It is also often used to create panels that will imitate glass, which shows exactly how flexible and useful synthetic fibers can be.
To learn more visit:
https://brainly.com/question/1175795?referrer=searchResults
What two fundamental parts make up a chromosome?
1. RNA and collagen proteins
2. DNA and histone proteins
3. RNA and histone proteins
4. DNA and collagen proteins
Suggest how the scent from the flowers
spreads out into the air
Answer:
through diffusion
Explanation:
I think so that by diffusion this occurs
Answer:
Pollinators which may be insects, birds, or other animals would reach the flower by being stimulated through their sense of smell. The scent from flowers gets spread through the air everywhere because the scent producing molecules are low weight. The low molecular weight help them spread and diffuse everywhere
hope it helped
how does lipases contribute to homeostasis
Answer:
The presence of the cholesterol and short lipid tails keeps the cell membrane fluid, allowing the passage of necessary materials across its layer. This one major mechanism helps the cell with the maintenance of homeostasis.
Explanation:
Which property do solutions with low pH values have?
Answer:
b) Tastes sour
Explanation:
Mitosis begins with a single parent cell and results in the formation of two unique (different) daughter cells, each with half of the
chromosomes from the parent cell.
True
False