Answer:
Direct
Explanation:
Direct current flows in one direction are often referred to as unidirectional (uni- one, directional -direction). Whereas, other current flows typically can reverse the flow from time to time which is present in case of Alternating current flow
Direct
Current FlowThe pace at which electrons flow past a location in a complete electrical circuit is defined as current.The flow of electric charges with respect to time is referred to as current flow. When an electric charge flows in one way in an electric circuit, the current flows in the opposite direction.Direct current flows in only one direction and is produced by a battery.For more information:
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How would you describe the effect of a 1°C increase of temperature on the biodiversity of the habitat in terms of number of populations and number of individuals in the populations? Use evidence from your graph and table to support your answer.
Answer:
Population of some organisms increases and some decreases with the increase in temperature.
Explanation:
The population of certain species such as Nassuar grouper, Spotlight parrotfish and Queen angelfish increases with the increase in temperature while some species such as yellow tail snapper, sponges and algae decreased in population with the increases in temperature. This is because some species needs high temperature so increase in temperature increases the population while some species needs low temperature so high temperature kill them and population is decreased.
Answer:
The population of some creatures increases while the population of others falls as the temperature rises. Certain species, such as Nassuar grouper, Spotlight parrotfish, and Queen angelfish, see an increase in population as the temperature rises, whereas others, such as yellow tail snapper, sponges, and algae, see a fall in population as the temperature rises. This is because some species require high temperatures, so a rise in temperature increases their number, but others require low temperatures, so an increase in temperature kills them and decreases their population.
Explanation:
What usually happens to the host’s DNA during the lytic cycle? It is destroyed. It is integrated with the viral DNA. It becomes a provirus. It is deactivated.
Answer:
It is destroyed
Explanation:
The lytic cycle of the viral life cycle is characterized by the destruction of the host's DNA. The infecting phage gains entrance into the host's cell synthesizes proteins that break down the host's DNA, and then utilizes its own DNA as the cellular DNA.
From there on, the phage takes over the cell's genetic mechanisms and utilizes it in the synthesis of the necessary proteins to manufacture new infecting structures.
Answer:
destroyed
Explanation:
answer the questions above
Answer:
Hey there!
3) Well injection is usually done through the vein because they need the substance to go into the blood.
4) Some people believe that the heart is on the left side because its the left ventricle and atrium responsible and when people hear left they think the heart is on the left.
5) People living in high altitudes don't get as much oxygen so their bodies evolved into carrying ,more RBC so more oxygen is carried into their bodies.
Hope this helps :)
Help pls. ive been stuck on this for a long time
Answer
Tundra: lichens and moose
Taiga: cone-bearing evergreens and timberwolves
Deciduous Forests: broad leafed trees and ptarmigans
Grasslands: grasses and hyenas
Rainforests: air plants and parrots
Desert: succulent plants and dingo dogs
hope it helps
Which characteristic is one of the three main characteristics used to classify igneous rocks?
Answer: Texture
Explanation: the rate at which the rock had cooled when molten magma was cooling gives out a clear comparrison of the rocks which is the texture
Answer:
Explanation:
Texture
Tachycardia, decreased or absent breath sounds on the affected side, hyperresonance, and sudden chest pain on the affected side are clinical manifestations of:__________
A) Sarcoidosis
B) Pneumothorax
C) Hypersensitivity pneumonitis
D) adult respiratory distress syndrome
Answer: Option B.
Pneumothorax
Explanation:
Pneumothorax occurs when air buildup between the chest wall and the lungs thereby leading to increased pressure in the chest and it inturn decrease the amount of blood that flow back to the heart because the blood find it difficult to force it's way into the chest and the heart. This is cause by injury to the chest, lung danage, rupture air blisters and mechanical ventilation.
The symptoms include decreased or absent breath sounds on the affected side, hyperresonance, and sudden chest pain on the affected side , racing heart, shock.
When a pneumothorax is large, a needle or tube is used to remove excess air.
Describe the importance of photosynthesis in producers
Which of the following wavelengths of light are able to penetrate the Earth’s atmosphere and best viewed through a reflecting telescope?a. Radio Waves b. Infrared Waves c. Visible Light Wave d. Ultraviolet Light Waves Clear my choice
Answer:
c. Visible Light Wave
Explanation:
The electromagnetic radiation spectrum can be divided into seven types of wavelengths of light, which are classified according to the decrease in wavelength and the increase in energy and frequency: 1-radio waves, 2-microwaves, 3-infrared light, 4-visible light, 5-ultraviolet, 6-X rays and 7-gamma rays. The atmosphere is not permissible to all types of wavelengths of light, thereby acting as a natural barrier that protects against harmful radiation waves. All the range of visible light can penetrate the Earth's atmosphere, while most radio waves can penetrate through this barrier. Finally, only some wavelengths of infrared and ultraviolet radiation can pass through the atmosphere.
Answer:
yall stoopid its radio waves :D
Explanation:
The paranasal sinuses are lined with a membrane that creates mucus during allergies or the common cold. Presence of mucus and swelling of the membranes can cause a "sinus headache." If Regina has a cold and she feels the pain of a sinus headache inferior to her eyes, which bone is housing the affected paranasal sinus?
Answer:
The maxillary sinus, that is, the sinus located in the upper jaw, would be affected.
Explanation:
Sinusitis is a very traditional disease that is associated with headache, discomfort, and increased mucus making.
The causes can be viral or bacterial or even by some inhaled noxa, sinusitis of this type is bilateral, different from sinusitis of dental cause that are usually unilateral.
The paranasal sinuses are the sinuses that pneumatize the head, that is, they generate an internal air current in the bones to be able to heat and disinfect them from those noxas that are inhaled (that is why they are covered by a ciliated mucosa that drags the noxa to the outside and also its structure is pseostratified with mucous cells that secrete mucus enveloping the noxa).
Another function of the paranasal sinuses is to be able to alleviate the weight of the head, since the shell and the bones that remain in the head formation are very heavy, thus generating these cavities filled with air to alleviate the feeling of "heavy head" "When they become inflamed and filled with mucus, they are obliterated or with a reduced space, so the head feels heavier for some people.
The paranasal sinuses are the maxillary sinuses that are in the upper jaw, the sphenoid sinuses that are in the sphenoid, the ethmoid sinuses that are in the ethmoid and the frontal ones that are in the frontal bone that is vulgarly called as the forehead.
What is the main function of the human immune system?
O A. To protect internal organs and assists in movement
O B. To collect and respond to information about the internal and
external environment
O C. To protect the body against infection
D. To transport oxygen and nutrients to the body's tissues
Answer:
to protect the body from infection
Read the passage from “Part of the Stew.” On the morning of January 8, 1815, the Redcoats made their attack. Mama and I woke up to the sound of it. It was like thunder that rolled on and on, and we held hands as we thought of Pa and our friends. Then, suddenly, everything was silent. It felt like forever as we waited for news. Finally, word came around that the British had raised the white flag of surrender. The use of first-person point of view helps engage readers by allowing them to experience how the narrator feels about the battle. the narrator’s pa feels about the battle. the narrator’s friend feels about the battle. the narrator’s mama feels about the battle.
Answer:
how the narrator feels about the battle.
Explanation:
The first-person point of view is one of the methods used as a medium for telling the story. In this method, the story is told from the point of view of the person who is a character. All the other characters, events, and settings of the story are told from the narrator's point of view. The story is narrated by using the first person pronouns 'I' and 'we'.
In the given excerpt, the first point of view has been used for storytelling. The narrator tells about the experience he underwent on January 8, 1815. He tells about his feelings about the battle.
Answer:
a
Explanation:
what is scientific advancement? describe characteristics
Scientific or technological advancement is the generation of information or the discovery of knowledge that advances the understanding of scientific relations or technology. This definition encompasses the definition of scientific advancement, advancement of scientific knowledge and technological advancement. The only difference is that scientific advancement and advancement of scientific knowledge relate to science whereas technological advancement relates to technology.
What is the function of the central nervous system?
O A. To circulate blood throughout the body
O B. To relay signals from the spinal cord to the rest of the body
O C. To transport oxygen and nutrients to the brain
D. To process information about changes in the external or internal
environment
Answer:
To transport oxygen and nutrients to the Brian
List some characteristics of each type of seismic wave. Include what type of material (solids, liquids, or both) each can travel through. Primary wave: Secondary wave: Love wave: Rayleigh wave:
Answer:
The primary wave or the P wave is the fastest kind of seismic wave. These waves can travel through the fluids like the liquid or the water layers of the Earth, and solids rocks. It pulls and pushes the rock it moves through similar to the sound waves that pull and pushes the air. These waves are also called compressional waves, due to the pulling and pushing they do.
The secondary wave is also known as the S wave is slower in comparison to a P wave, and possess the tendency to move through the solid rock, however, not through any kind of liquid medium. The characteristic of the S wave helped seismologists to conclude that the outer core of the Earth is a liquid. The S waves help in moving the particles of rock side to side perpendicular to the direction of the wave or up and down.
The Love wave and Rayleigh waves are the two kinds of surface waves. These waves possess lower frequency in comparison to the P and S waves. Of the surface waves, the Love waves are the fastest surface wave and move the ground from side to side.
On the other hand, a Rayleigh wave rolls around the ground similar to the rolling of the waves across an ocean or a lake. Both these waves only travel through a solid medium.
In captivity, tigers and lions have been known to interbreed and produce hybrids, known as ligers. Why does this NOT make them the same species, according to the biological species concept
Answer:
Explanation:
A cross between a tiger and a lion will produce an hybrids. During fertilization it has been observed that both the father and the mother contributes equally to the genetic makeup of the offspring this therefore will make the liger have 50%gene from the tiger and 50% gene from the lion which is different genetic makeup from the parents.
Since the parents are of two different species the offspring will always be of a different species because its makeup is genetically different from the two parents it is a combination of two species forming a new species.
If the parental species are the same i.e two lion or tiger the offspring will be of the same species but a combination of the parental gene.
Collections of lymphoid tissues, called MALT, are strategically placed throughout the respiratory, digestive, and genitourinary systems. Which one of these is located at the end of the small intestine?
a) appendix
b) Peyer's patches
c) tonsils
What is the type of mouth part found in the female anopheles?
Answer:
Piercing and sucking mouthpart
Explanation:
Hope it helps.
Not all of the members of everyday categories have the same. Most fish have gills, fins, and scales. Sharks lack the feature of scales, yet they are still categorized as fish. This is most problematic for the __________ approach to categorization.
Answer:
species to
Explanation:
which of the following adaptions allowed plants to transport water and nutrients from the soil to all of the cells within the plant?
A. Vascular system
B. Leaves
C.Cuticle
D. circulatory system
Answer:
c
Explanation:
I took the test
Answer:
D. circulatory system
Explanation:
Circulatory system is the method of transport of plants and animals. It gives the plants nutrients and carbon dioxide in every cell and release waste products from their system.
PLEASE HELP! An original dna strand has the following base sequence: taggtaact What base sequence would be produced through dna replication? A B C D
The correct answer is D. ATCCATTGA
Explanation:
In DNA, there are four nucleobases: guanine (G), thymine (T), adenine (A), and cytosine (C). Additionally, these bases form pairs as guanine aligns with cytosine, and adenine aligns with thymine. This base pairing principle is essential in replication because complementary bases are required to create a new strand or replicate DNA.
According to this, if the sequence is TAGGTAACT, the complementary sequence is ATCCATTGA because, in this way, each base matches with the complementary base.
T (Thymine) is paired with A (Adenine)
A (Adenine) is paired with T (Thymine)
G (Guanine) is paired with C (Cytosine)
G (Guanine) is paired with C (Cytosine)
T (Thymine) is paired with A (Adenine)
A (Adenine) is paired with T (Thymine)
A (Adenine) is paired with T (Thymine)
C (Cytosine) is paired with G (Guanine)
T (Thymine) is paired with A (Adenine)
Name the important endocrine glands present in our body
Answer:
The hypothalamus, pituitary gland, and pineal gland are in your brain. The thyroid and parathyroid glands are in your neck. The thymus is between your lungs, the adrenals are on top of your kidneys, and the pancreas is behind your stomach.
Explanation:
Hope this helps.
The endocrine system is made up of the endocrine glands that secrete hormones. Although there are eight major endocrine glands scattered throughout the body, they are still considered to be one system because they have similar functions, similar mechanisms of influence, and many important interrelationships.
These include...
Hypothalamus.
Pineal Gland.
Pituitary Gland.
Thyroid.
Parathyroid.
Thymus.
Adrenal.
Pancreas.
How does cross pollination differ from self pollination?
Answer:
Cross pollination:
the transfer of pollen grain from anther to stigma that takes place between two different flowers of the same species.
Self pollination:
the transfer of pollen grain from anther to stigma that takes place at a single flower.
Hope this helps ;) ❤❤❤
Answer:
It assures that there is genetic variety within each plant species.
Explanation:
: What is lymph? What is lymph? thick carbohydrate matrix that supports cells in various tissues of the body the portion of blood that contains red blood cells the layer of lipids that collects under the skin for protection and insulation protein-rich blood plasma that has left capillaries the portion of blood that contains white blood cells and platelets
ANSWER;
protein-rich blood plasma that has left capillaries
Lymph is un reabsorbed interstitial fluid which are trapped in the capillaries called lymph capillaries. it is pale in color(compare to red of the the blood),and continuously flood the body tissues for fluid balance and waste removal.
Macrophages and lymphocytes (WBC) are the principal cellular components,however it also contain proteins,lipids.It is similar to blood plasma,except for higher amounts of lipids but will lesser amount of WBC and platelets.
Its special channels are the lymphatic vessels of the lymphatic system,which are the lymph nodes and vessels.
The functions of Lymph are:
Responsible for the removal of tissues bathing the tissues(Interstitial fluids ) from the tissues.
Transport of fats from the lacteal during absorption.
Transport of WBC across from the L.nodes to the bone.
it also mediates in immune response,through the transport of antigen-presenting cells.
it is similar to blood because it is a circulating fluids,through special vessels,and both linked by network of capillaries.
However, more wbc,rbc,platelets,oxygen are present in blood than the lymph. In addition because it returns proteins,it is said to contain proteins,but in actual sense if lacks protein
How is the earth protected from the sun’s particles? Select one: a. The earth’s magnetosphere protects it b. The sun is 93 million miles away, and the particles do not impact the earth. c. The earth is not protected from solar particles. d. The heliosphere protects the earth.
Answer: A.
Explanation: The Earth has a magnetic sphere that protects it from the sun's particles. Even though the particles take a while to travel to Earth, whenever they are deflected that is what causes the Northern Lights.
Determine the correct sequence of events during the creation of recombinant DNA.
I. Plasmid is cut open with enzymes
II. Target gene is cut out with enzymes
III. Plasmid is inserted into the bacterium
IV. Target gene is bonded to the plasmid with Ligase
A. IV, I, II, III
B. II, I, IV, III
C. I, II, III, IV
D. IV, III, I, II
Answer:
I believe the correct answer to your question is A
IV, I, II, III
Read the text: Trans fat is obtained industrially after certain vegetable oils, under certain conditions, are hydrogenated and transformed into solid fat. This type of fat has been used in the production of some food products, such as stuffed cookies, giving them, for example, a more crunchy consistency. However, it is admitted that the excessive consumption of trans fat contributes to obesity and the development of cardiovascular diseases. a) What group of lipids do oils and fats belong to? b) How can we differentiate oils from fats at room temperatures, around 20 ° C? c) Many seeds, such as soybeans, store relatively large amounts of oil. What is the importance of the presence of oil for the embryo of oil seeds? d) Birds and mammals store fats in adipose tissue, under the skin. What is the advantage of the fatty layer under the skin being especially developed in animals that live in cold climates, such as polar bears? e) Recent studies indicate that fat is associated with cardiovascular disease. Name another substance in the lipid group also commonly associated with these diseases.
Answer and Explanation:
a) What group of lipids do oils and fats belong to? Lipids and fats belong to the triglyceride group. Triglycerides are a mixture of glyceride esters and fatty acids. They are stored in specialized adipose cells, known as adipocytes. Adipocytes give a place to the adipose tissue in the organism.
b) How can we differentiate oils from fats at room temperatures, around 20 ° C? At room temperature, fats can be recognized for being solid, while oil is liquid.
c) Many seeds, such as soybeans, store relatively large amounts of oil. What is the importance of the presence of oil for the embryo of oil seeds? The plant´s embryo needs to nurture while it is developing. The oil in the seeds plays the role of nutritive storage, together with other nutritive substances. These are used by the plant until it is able to photosynthesize.
d) Birds and mammals store fats in adipose tissue, under the skin. What is the advantage of the fatty layer under the skin being especially developed in animals that live in cold climates, such as polar bears? The advantage of the fatty layer under the skin is to keep or maintain the animal´s temperature. It is very common to find a thick fatty layer under the skin of animals that live in very cold environments, such as polar bears or deep divers marine mammals.
e) Recent studies indicate that fat is associated with cardiovascular disease. Name another substance in the lipid group also commonly associated with these diseases. Cholesterol is a fatty substance needed for the good functioning of the organism. It is part of cellular layers and it plays a role in hormone synthesis and biliary salts. Although in excess they might be harmful as they tend to accumulate in the artery´s walls, blocking the passage of blood. This can lead to a heart attack.
Which animals are vertebrates
Answer:
Animal which have backbone in their body are called vertibrates. eg:tiger,human,bear
Answer:
Animals that have a backbone are vertebrates. those include mammals, birds, fish, amphibians and reptiles.
examples are humans, cows, snakes, frogs etc....
Nitrogen-fixing bacteria in the roots of soybeans help provide a source of nitrogen to the plants, and in exchange, the bacteria obtain food from the plants. Which type of interaction is this
Answer:
symbiotic relationship
Explanation:
A symbiotic relationship is a relationship in which the members of the relationship get benefits from each other....... In roots of leguminuous plants , the bacterias are the only source for nitrogen by plants & in turn plants provide food to bacterias
What is endocrine system? What are its functions? Name the important endocrine glands present in a human body. Draw a labelled diagram to show the positions of these endocrine glands in the human body (male/female)
Answer:
endocrine system produces hormones required to coordinate reactions in the body.
Which of the following biological macromolecules is correctly paired with one of its functions?
Choose ONE answer:
A. Proteins ----> provide cell structure
B. Carbohydrates ----> store genetic information
C. Nucleic acids ----> digest dead cells
D. Lipids ----> give quick energy to cells
Of the given options, proteins is correctly paired with its function, that is, provide cell structure.
What are proteins and their functions?They are the large and complex molecules, which perform many essential roles in the body. They perform majority of the function in cells and are needed for the structure and function of the cells. Apart from this, they also play an essential role in the regulation of the tissues and organs of the body.
Of the different kinds of proteins found in the body, the structural proteins provide structure and support for the cells. On a bigger scale, they also help the body in movement, for example, actin protein.
Thus, the correct answer is option A.
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