Answer:
trae blood cells
Muscle cells
What function makes the HIV virus unique?
A. It has viral DNA that remains dormant until environmental conditions are right.
B. It attacks neurons in the nervous system and causes paralysis
C. It attacks and destroys certain cells in the bodies of its host organisms.
D. It has viral DNA that is transmitted through direct contact with infected persons
Answer: A
It has viral DNA that remains dormant until environmental conditions are right.
HIV is a unique human RNA virus, capable of infecting cells of the immune system.
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It attacks and destroys certain cells in the bodies of its host organisms. Therefore, option (C) is correct.
What is HIV?HIV, or human immunodeficiency virus, attacks and destroys a specific type of immune cell called CD4+ T cells. These cells play a critical role in the immune system, and their destruction leads to a loss of immunity and the development of acquired immunodeficiency syndrome (AIDS). HIV is unique in that it specifically targets and attacks these cells, leading to a gradual decline in the body's ability to fight off infections and diseases.
HIV is primarily spread through sexual contact, but can also be spread through sharing needles or from mother to child during pregnancy, childbirth, or breastfeeding. HIV can lead to AIDS (Acquired Immunodeficiency Syndrome) if left untreated.
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Proteins are found in all cell types and tissues. Contrasted to proteins found in skeletal tissue, what is the main function of proteins found in antibodies?
A. to provide storage for elements
B. to allow muscle movement
C. to provide storage for energy
D. to protect against disease
Answer:
d
Explanation:
Nitrogenous wastes result from the metabolism of what?
Answer:
Explanation:
The nitrogen compounds through which excess nitrogen is eliminated from organisms are called nitrogenous wastes (/naɪˈtrɒdʒɪnəs/) or nitrogen wastes. They are ammonia, urea, uric acid, and creatinine. All of these substances are produced from protein metabolism.
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Answer:
Explanation:The nitrogen compounds through which excess nitrogen is eliminated from organisms are called nitrogenous wastes (/naɪˈtrɒdʒɪnəs/) or nitrogen wastes. They are ammonia, urea, uric acid, and creatinine. All of these substances are produced from protein metabolism.
Why is blood a slightly higher temperature than typical body temperature?
O As bacteria and viruses are destroyed by leukocytes, they release bursts of heat
The bright red pigment of blood warms the internal proteins
O Blood pressure causes formed elements to bump into sides of blood vessels, resulting in friction and resistance
The excess mitochondria in red blood cells produce extra ATP
What happens to glucose which enters nephron along with filtrate
Answer:
it goes down the renal tubule by the action of cilia. The tubular cells absorb glucose, amino acids, salts, etc. These are then passed into the capillary blood cells using the process of diffusion.
How much work is required to push a 300 N box 10 m across the floor?
Answer:
3000J
Explanation:
W = F x D
W = 300N x 10m
W = 3000J
What is the function of structure c ?
Answer:
Explanation:
Arrays allow to define type of variables that can hold several data items of the same kind. Similarly structure is another user defined data type available in C that allows to combine data items of different kinds.
!!!! PLEASE ANSWER !!!!! What factors increase the likelihood that all alluvium will be deposited ???
Answer:
Any thing that decreases the stream's velocity such as a bend in the river, a change in gradient or something blocking its path.
Explanation:
Any thing that reduce the stream's speed such as a turn in the river, a change in angle or something prevent its path.
What is soil explain?Soil is the thin layer of material covering the earth's surface and is formed from the weathering of rocks. It is made up mainly of mineral particles, organic materials, air, water and living organisms all of which interact slowly yet constantly.
Thus, reduce the stream's speed such as a bend in the river, a change in angle or something prevent its path.
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Which answer best describes the evergreens and herbs of the Chaparral biome?
A)
They are rich in oil which promotes fire movement through the biome.
B)
They are rich in food sources for large birds of prey.
C)
The large deciduous trees provide habitat for birds of prey.
D)
They are usually poisenous to humans.
E)
They can not adapt during drought conditions.
Answer:
A) They are rich in oil which promotes fire movement through the biome.Explanation:
this should be the answer
Answer:
A) They are rich in oil which promotes fire movement through the biome.
Explanation:
Which model represents the intermediate step between glycolysis and the citric acid cycle?
Model
Answer:
Model A
Explanation:
Answer:
A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A.
Explanation:
Disagreement over or competition for a resource is known by which of the following terms?
logistics
conflict
preservation
conservation
Answer:
I think it's Conflict
Explanation:
tips bark at people BARK BARK BARK
Answer:
You talking about a dog or something
Explanation:
BARK BARK BARK BARK BARK BARK
Photosynthesis produces chemical energy and Cellular Respiration uses chemical energy. What type of chemical energy do they both use?
A. protein
B. sunlight
C. food
D. glucose
Answer:
Photosynthesis uses energy from the sun in terms of sunlight and cellular respiration uses ATP energy.
Photosynthesis uses energy from the sun and cellular respiration uses glucose to get ATP energy. Thus option B and D are correct.
what are the factors affecting photosynthesis ?
The process in which autotrophic plants use light energy from sun and convert it into chemical energy, and prepare their food in the form of glucose called as photosynthesis.
This chemical energy is created from water and carbon dioxide and stored as a sugar molecule, it occur in chloroplasts which has three pigments such as chlorophyll a, chlorophyll b, carotene and xanthophyll.
various factors influence photosynthesis like increase in light intensity causes higher rate of photosynthesis, Higher concentration of carbon dioxide increases the rate of photosynthesis, Temperature range between 25° to 35° C optimum for photosynthesis,
Thus option B and D are correct.
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What is light dependent stage?
Answer:
In photosynthesis, the light-dependent reactions take place on the thylakoid membranes. The inside of the thylakoid membrane is called the lumen, and outside the thylakoid membrane is the stroma, where the light-independent reactions take place.
What is an example of dissociation?
A. vegetable oil dissolving in water
B. table salt dissolving in water
C. hydrogen chloride dissolving in water
D. table sugar dissolving in water
Answer:
I'll say B cause the Nacl ion breaks down and get surrounded by hydrogen and hydroxyl ion
Table salt dissolving in water is the example of dissociation.
What do you mean by dissociation?Dissociation is the process by which chemical molecules (or ionic compounds such as salts, or complexes) break down into simpler constituents such as atoms, ions or radicals, usually in a reversible manner.
Moreover, the dissociation of water is an equilibrium reaction in which one water molecule donates its proton to another water molecule.
Salts that are soluble in water dissociate into their ions and are electrolytes. Salts that are insoluble or only slightly soluble in water form very few ions in solution and are nonelectrolytes or weak electrolytes.
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HELP??????????????
????
1. In passive transport, what direction do molecules move?
2. In active transport, what direction do molecules move?
Answer:
In passive transport, substances simply move from an area of higher concentration to an area of lower concentration, which does not require the input of energy. Concentration gradient, size of the particles that are diffusing, and temperature of the system affect the rate of diffusion.
In active transport, the particles move across a cell membrane from a lower concentration to a higher concentration. Active transport is the energy-requiring process of pumping molecules and ions across membranes "uphill" against a gradient.
Explanation:
The transfer of molecules from higher concentrations to lower concentrations is an example of passive transport, which does not require any amount of energy.
The movement of molecules from a lower concentration to a higher concentration is referred to as active transport. Active transport requires the application of energy.
Types Of Passive Transport
Simple DiffusionDiffusion with Facilitation.Filtration.Osmosis.Active transport mechanisms include
AntiportSymport Pumps.Endocytosis.Exocytosis.Learn more about transport mechanism, here:
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el nino affects the weather worldwide.
1 True
2 False
can nonliving things share some characteristic with living things explain your answer
Answer:
yes they can like nutrition vehicles are none living yet they need fuel to move while we need food vehicles excrete or emmit smoke while we excrete waste productsYour assignment in biology lab is to design an experiment that would detect whether a substance is breaking down, or digesting, a protein. Which of the following experimental designs would be your best choice?
Answer:
b. Test tube A: Water and soy protein
Test tube B: Water, egg white, and pepsin
Test tube C: Water, egg white, acid, and pepsin
Procedure: Observe each test tube for changes in the protein every 15 minutes.
Explanation:
Which of the following is a challenge when implementing green roofs? a)green roofs need to be watered by hand constantly b)green roofs do not last long c) green roofs can be expensive to install d) green roofs temporarily increase air pollutants
*THIS IS FOR EARTH SCIENCE*
Answer:
C.) green roofs can be expensive to install
Explanation:
Answer:
BBBB
Explanation:
What would be the role of the genetic material found in the organelles?
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Answer:
Among the more important cell organelles are the nuclei, which store genetic information; mitochondria, which produce chemical energy; and ribosomes, which assemble proteins.
In your opinion, should viruses be classified as living or nonliving? Be sure to use evidence from the chart in your answer.
Answer:
hope it helped. if yes pls follow
Explanation:
living things use energy. But virus does not use energy. So my opinion is virus is non-living.
Answer: ............
Explanation:
If we were measuring the mass of Professor Tesfay, the most appropriate unit to use would be
Answer:
kilograms
Explanation:
That's how people weigh others in the other countries
1. Quasars are extremely distant celestial bodies. Investigators
using a special telescope determined that a certain quasar
was emitting waves with a frequency of 1.41 x 10° Hz. An
electromagnetic spectrum is shown.
gamma rays
visible light
Radio
waves
Electromagnetic Spectrum
Infrared Visible Ultraviolet
rays light waves
microwaves
Microwaves
Gamma
rays
X-rays
102
102
10-30
10-12
10-5
5 x 10 10
Wavelength (m)
d
X-rays
www
CLEAR ALL
10*
10
10
1020
102
101 10'
Frequency (Hz)
C
The investigators were most likely using a telescope that
detects-
Answer: microwaves
Explanation:
The investigators were most likely using a Telescope that detects ; ( C ) microwaves
From the electromagnetic spectrum provided the wavelength of a microwave is 10⁻² and the frequency of the microwave is about 10⁸ Hz which is closest to 10⁹ Hz. Given that the frequency detected with the use of the spatial telescope was 1.4 * 10⁹ Hz.
The most likely wave that this telescope would detect is Microwave because its frequency falls within the closest frequency range of the telescope.
Hence we can conclude that The investigators were most likely using a Telescope that detects ; ( C ) microwaves
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*
Iron, water, and sugar are examples of matter that are nutrients.
True or false
Answer:
false
Explanation:
water is just good for you and some sugars are good
Iron, water, and sugar are examples of matter that are nutrients. So the statement is true.
What are nutrients?
The substances in food known as nutrients give us the energy needed for development, repair, and other vital living activities. Although not all nutrients are energy-producing, they are all required in one way or another. There are two groups of these nutrients:
macronutrients, which the body needs in huge quantities.micronutrients, which the body needs in minute amounts.
The environment may provide the aforementioned nutrients. Macronutrients give a living thing the energy it needs to run its metabolic system. They offer enormous energy that can be processed and used to produce energy. Fats, proteins, and carbs are examples of macronutrients.
Micronutrients supply the necessary building blocks for metabolism to function. To regulate bodily processes, they also create new tissues and replace ones that have been destroyed. Calcium, iron, vitamins, minerals, iron, and vitamin C are examples of micronutrients.
Therefore, iron, water, and sugar are examples of matter that are nutrients.
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How is IGCSE CEntre?
Answer:
so good place
Explanation:
Answer:
yepp it is a good place !!
In 1787, a group of representatives from the states wrote the United States Constitution. What is the Constitution?
Answer:
I believe that the answer is D)
Explanation:
The others are incorrect.
Passive transport moves materials from high to low which is ______ the concentration gradient.
Against
Over
With
Around
Answer:
I think that it is with the gradient because it does not require energy to pass-through
whats the difference between acid , bases and buffers?
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Answer:
A basic solution will have a pH above 7.0, while an acidic solution will have a pH below 7.0. Buffers are solutions that contain a weak acid and its a conjugate base; as such, they can absorb excess H+ions or OH– ions, thereby maintaining an overall steady pH in the solution.