Answer:
Answer: Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called hemoglobin in the red blood cells then carries the oxygen around your body.
What is the difference between B-cell lymphocytes and T-cell lymphocytes?
B cells regulate blood pH, and T cells regulate body temperature.
B cells are produced in the thymus, and T cells are produced in the bone marrow.
B cells engulf bacteria, and T cells carry bacteria to the lymph nodes.
B cells produce antibodies, and T cells destroy infected cells.
Answer:
B cells and T cells are the white blood cells of the immune system that are responsible for adaptive immune response in an organism. Both the cells are made in the bone marrow.Explanation:
B cells produce antibodies, and T cells destroy infected cells. So, the correct option is D.
What are B cells and T cells?The two primary categories of lymphocytes are T cells and B cells. Antibody molecules made by B cells can attach to and kill invasive viruses and bacteria. T cells are the immune system's first line of defence against foreign invaders. They also create cytokines, that are biological agents that aid in the activation of other immune system components.
T cells can eliminate malignant or contaminated cells. Moreover, they control overall immune response by assisting B cells in eradicating foreign infections. Antibodies are made by B cells. An antibody is a class of protein produced by B lymphocytes, sometimes known as B cells.
Therefore, the correct option is D.
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how Khoi San people know a Hoodia gordinii plant is for hunger and thirst
Answer:
The Bushmen of the Kalahari desert, also known by the name “khoi-San”, used Hoodia gordonii for thousands of years to ward off hunger and thirst while hunting and looking for food. The active ingredient in hoodia cordonii is called p57, a steroidal glycoside, and it is this ingredient that is thought to suppress appetite.
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7) If there is a third-quarter moon on July 2, what is the approximate date of the next full moon?
A) July 9th
B) July 16th
C) July 23rd
D) July 30th
Answer:
A -- July 9th
Explanation:
I say July 9th because A full Moon happens roughly every 29.5 days. This is the length of time it takes for the Moon to go through one whole lunar phase cycle.
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Protist that uses a flagella for movement
Answer:
Giardia
Explanation:
Why is water pollution a concern if water is continuously cycled through Earth's systems?
Answer:The Earth's Water Cycle involves Evaporation, Condensation, and Precipitation. Evaporation purifies the water resulting to the replenishment of freshwater to the Earth.
Water pollution is a concern despite of the water being continuously cycled through Earth's systems because the source of pollution is has not been removed.
Water pollution is defined as the contamination of bodies of water. Pollutants are directly or indirectly released to the bodies of water causing the water to be polluted.
Imagine: A river is filled with garbage, it is polluted. The water from the river undergoes the water cycle but since the garbage is still present in the river, the freshwater that comes from precipitation becomes polluted.
Explanation:
The Earth’s rotation is the only thing that impacts wind
Answer:
false
Explanation:
While the Earth's rotation does play a role, it is a somewhat indirect one. The primary factor that affects the formation of winds is differences in atmospheric pressure. As is true throughout nature, any fluid will try to move from a region of high pressure to a region of low pressure.
Answer:
False
Explanation:
This is false because the earth goes one way but the wind can go all kinds of ways
A cluster of thunderstorms has developed over the Atlantic Ocean in August. The
speed of its wind is getting higher. It has heavy rains and is moving towards the
east coast of North America. What may develop from this?
A
a blizzard
В
B.
a hurricane
С
a tornado
D
a drought
Com
From the data provided, the storm is likely going to develop into a hurricane.
What are hurricanes?Hurricanes are large tropical storms which develop as a result of warm ocean currents and which travels at relatively high speeds precipitation large amounts of rainfall along the way.
Hurricanes develop over the Atlantic ocean.
From the given information, the thunderstorms developed over the Atlantic Ocean, has heavy rains and is moving towards theeast coast of North America.
Therefore, it can be concluded that it is likely a hurricane.
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Why are streak plates used the test minerals?
A. They show you the silicon content of the minerals
B. They show you the colors of the impurities in the mineral
C. They show you the true color of the minerals
Answer: c
Explanation: correct answer
Streak plates are used to test minerals because they show you the color of the mineral in powdered form. So, the correct option is C.
What are Streak plates?Small pieces of unglazed glass or porcelain are known as streak plates, and they are used in mineralogy to assess the streak color of a mineral. They are usually a few inches in length and about an inch in width.
The streak of a mineral is its color after it has been ground into a fine powder and rubbed across a streak plate. Because some minerals have recognizable colors that differ from their actual color, it can be helpful to identify them.For example, hematite is a dark brown mineral with bright red streaks. You can differentiate hematite from other dark brown minerals by looking at the color of the streaks.
Therefore, the correct option is C.
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What scientific term is a well-tested explanation for a set of observations or experimental results?
Answer:
A scientific theory is a well-tested explanation for a wide range of observations or experimental results.
Explanation:
what are animal that eat only meat
Answer:
A carnivore
Explanation:
Answer:
Carnivores
Explanation:
Are you a carnivore?
Which molecule is used up in photosynthesis?
A. Oxygen
B. Water
C. Nitrogen
D. Sugar
Much appreciated
Answer:
it's water
Explanation:
the plants take water from the ground and then use it in photosynthesis to create sugar.
Answer:
A/B is used up in photosynthesis.
Why can't land animals evolve a better eye
Answer:
Evolving takes thousands of years
Explanation:
Take dinosaurs for example they are now chickens and other birds. Evolving takes over hundreds to thousands of years
Do athletes need protein powders to increase their muscle mass or athletic performance?
Punnett square for rr and rr parents
can someone please write one for me or show me different websites to help write one please
Answer:
One Act Example
Shakespeare, Clearly: Romeo and Juliet (one-act)
by Jon Jory
adapted from William Shakespeare
Drama
One-act. 30-35 minutes
8-30 actors
In Shakespeare's most well-known tragedy, two young star-crossed lovers’ deaths ultimately reconcile their feuding families. This straightforward adaptation mixing contemporary and classical language emphasizes story and character rather than the poetry. Master director and acclaimed playwright Jon Jory has reimagined the classic tale to serve as an early introduction for younger audiences and actors that allows easy involvement. Inventive yet faithful, this adaptation will inspire actors and audiences alike to revisit Shakespeare’s original texts. Gender-neutral casting is encouraged and doubling is possible. Simple stage allows for a fluid and forward moving production.
Procedure:
ONE ACT STRUCTURE
Set the Scene.
Introduce the character goal(s)
Introduce an obstacle to the achievement of the goal(s)
Introduce a disaster (the result of a twist if your story has one)
Let the character(s) react.
Resolve the story.
-Oct 17, 2017
Explanation:
What are the impacts of genomic era on microbial phylogeny systematics
provide a platform for current research on archaea, bacteria, microbial eukaryotes and viruses.
Where do new cells come from?
A. Mitochondria
B. Nucleus
C. Ribosomes
D. Other cells
Answer: D
Answer:
D.
Explanation:
They come from other cells in cell division, that is when the mother cell divides into new cells, and those are the daughter cells.
I hope it helps! Have a great day!
Muffin ^^
Which of the following diagrams illustrates the position of t3
he sun an earth on the longest day of the year i in the northern hemisphere
Answer:
please provide clean image.......
Explanation:
in your desktop ️ I can't able to see anything....
What is kyphosis caused by?
¿What is kyphosis caused by?
Spinal cause: It is the one that produces kyphosis in adults because it is caused by a vertebral fracture due to osteoporosis.
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¿What is kyphosis caused by?
Kyphosis is one that has exaggerated forward curvature of the upper back. This usually notices the weakness of the bones of the spine, which causes them to fracture and compromise.
In most cases, kyphosis stops progressing when the teen stops growing.
Translation:La cifosis es aquella que tiene curvatura exagerada hacia adelante de la parte superior de la espalda. Esta suele darse a la debilidad de los huesos de la columna vertebral, que hace que se fracturen y compriman.
En la mayoría de los casos, la cifosis deja de avanzar cuando el adolescente deja de crecer.
10. The formation of product in a reaction is based on
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3) The motion of the Earth is modeled here as it moves on its axis and around the Sun. Which of these statements correctly identifies how the illustration supports the concepts of seasons on Earth? Select ALL that apply
A) The tilt of the Earth is responsible for the seasons.
B) The rotation of the Earth is responsible for the seasons.
C) The proximity of the Earth to the Sun is responsible for the seasons.
D) The revolution of the Earth around the sun is responsible for the seasons.
E) The intensity of the sunlight on Earth is different as the Earth revolves around the sun
Answer:
A -- The tilt of the Earth is responsible for the seasons.
Explanation:
Because Earth's tilted axis causes the seasons.
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HELP NOW NOW 20 POINTS AND BRAINLIST
Answer;
D
Explanation:
To initiate signal transduction, the ligand must pass through the plasma membrane by passive diffusion. On binding with the receptor, the ligands pass through the nuclear membrane into the nucleus, altering gene expression.
Inside each of these organelles are stacks of_______
that contain the green pigment
Answer:
chloroplasts
Explanation:
hope this helps!
Answer:
Explanation:
Inside, chloroplasts have stacks of pancake-like sacs. A single pancake is called a thylakoid. Many thylakoids stacked together is called a granum (plural: grana). The thylakoids are green because this is where chlorophyll is stored.
Enzymes are a diverse group of biological catalysts.Enzymes act as catalysts , because they?A. Give us immediate quick energy
B.Speed up chemical reactions in our body by lowering energy
C. Increase the amount of energy needed to break down substrates.
D. Can act on any substrate molecule at any time
Answer:
B
Explanation:
Enzymes in our bodies are catalysts that speed up reactions by lowering the activation energy necessary to transform a reactant into a product.
Which of the following attitudes is NOT important in science?
a.
curiosity
c.
creativity
b.
having a closed mind
d.
skepticism
Please select the best answer from the choices provided
A
B
C
D
Answer:
creativity
Explanation:
the creativity isn't important in science because in science we need to process methodically
The attitude that is NOT important in science is b. having a closed mind.
What is a closed mind?A closed mind refers to a person who is not willing to consider different ideas or opinions.
A closed mind cannot engage in scientific inquiries.
Scientific inquiry helps scientists to study the natural world in diverse ways before proposing explanations based on the evidence derived from their scientific activities.
Thus, important attitudes in science include:
CuriosityCreativitySkepticism.HonestyFlexibilityPersistenceOpen-mindednessTolerance of uncertaintyAcceptance of the provisional nature of scientific explanation.But, having a closed mind cannot help in science.
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Can someone help me please
Answer:
What subject is it, and could you please show the formula?
Explanation:
Answer:
I can but umm I don't understand so sorry
Explanation:
I can't read that and don't know what it is about
Sperm and eggs are found in different parts of plants. Explain why it is important for these
cells to unite, and describe some factors in an environment that help unite them.
Explanation:
When sperm and eggs in plants are united they fertilize the egg creating a plant able ready seed. Some factors in an environment that help them unite are; (animals) bees, butterflies, and other insects. wind bringing pollen around
When sperm and egg (found in different parts of plant) unite fertilization takes place which results in the formation of a zygote and later it forms an embryo.
Some factors in an environment that help unite them are air, water, insects, birds, bats etc.
What is sperm?"Sperm is defined as male reproductive cell. In case of plants, it is known as male gametophyte (pollen)."
What is egg?"Egg is defined as female reproductive cell. In case of plants, it is known as female gametophyte (ovum)."
What is fertilization?"Fertilization can be defined as the fusion of the male gametes (pollen) with the female gametes (ovum) to form a diploid zygote."
What is a zygote?"A zygote is a cell formed by the union of two gametes."
What is embryo?"A plant embryo is an undeveloped plant inside a seed."
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how does bear respond to danger?
Bears may react defensively by woofing, yawning, salivating, growling, snapping their jaws, and laying their ears back
what is known as the substance that is dissolved
Answer:
solute
Explanation:
solute a substances that can dilute in solvent
Critically discuss the scope of medical anthropology as a
transdisciplinary field of Social Science.
Medical anthropology deals with the study of human health using social approaches and structural model of society health and wellbeing.
What is medical anthropology?Medical anthropology deals with research on health and society plan or program.
The study uses social approaches and structural model of society health and wellbeing such that culture, people and discipline are captured.
Therefore, Medical anthropology deals with the study of human health using social approaches and structural model of society health and wellbeing.
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