During sensation, the first step for some sensory systems is the accessory structures, which are saddled with the responsibility of modifying an incoming stimuli.
A sensory system refers to components of the central nervous system (CNS) which comprises of the brain, neural tissues (pathways) and sensory neurons that are responsible for sensory functions, perception and processing of sensory information such as light, sound, heat, etc.
Basically, the five (5) main sense organs in the sensory system include the following:
SkinTongueEarsNoseEyesThe accessory structures is typically the first step the first step for some sensory systems because they are saddled with the responsibility of modifying an incoming stimuli.
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Answer:
Accessory Structures.
Explanation:
what percentage of american black genes are european
Answer:
African Americans and Latinos have much lower percentages than European Americans, whose genomes are 99.6% European, 0.19 percent African, and 0.18 percent Native American.
Explanation:
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Question 8 of 10
The molecules that make up food contain energy. How does the human body
get energy from the food molecules?
A. By adding energy to the molecules
B. By breaking and reforming chemical bonds in the molecules
C. By using them to form ionic bonds
D. By combining the molecules together
Answer: B.) By breaking and reforming chemical bonds in the molecules.
Explanation:
bennett is a 12-year-old boy whose bmi-for-age falls at the 90th percentile on the bmi-for-age growth chart. bennett is
Answer:
bennett is a 12-year-old boy whose bmi-for-age falls at the 90th percentile on the bmi-for-age growth chart. bennett is
Explanation:
bennett is a 12-year-old boy whose bmi-for-age falls at the 90th percentile on the bmi-for-age growth chart. bennett is
Guiding Question: How does island size and/or the distance to the mainland affect carnivore richness in the Apostle Islands?
Answer:
observe the island size and or distans
what is the important of honey?
Answer:
Rich in antioxidants
Explanation:
High quality honey — which is minimally processed, unheated, and fresh — contains many important bioactive plant compounds and antioxidants, such as flavonoids and phenolic acids. ... Antioxidants help neutralize reactive oxygen species (ROS) in your body, which can build up in cells and cause damage.
ocean acidification impacts are:
1.
2.
3.
4.
Explanation:
In the 200-plus years since the industrial revolution began,concentration of carbon dioxide in the atmosphere has increased due to human actions.During this time,the pH of surface ocean waters has fallen by 0.1 pH units.This might not sound like much,but the pH scale is logarithmic,so this change represents approximately a 30 percent increase in acidility.
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What is the most important characteristic about the Earth allowing it to support life? *
the options are:
an atmosphere with oxygen
seasons
a temperature range that is not too hot or cold.
Answer:
an atmosphere with oxygen
seasons
The dark reaction doesn't require sunlight, for energy. Why?
A) It gathers energy from the chlorophyll.
B) It stores energy inside of the chloroplast.
C) It gathers all of its energy and stores it in its Mitochondria
D) It gathers its energy from organic batteries called ATP or NADPH.
Answer: C it gather energy from the mitochondria
A disease-causing bacteria successfully enters your body, making it past the first and second lines of defense. Which barrier will then act on the bacteria? chemical physical biological electrical.
Answer:
The correct answer is biological.
Explanation:
When any pathogen invades the body, it has to pass several lines of defence. The first barrier is the skin and mucous membrane which is a physical and chemical barrier. The second line of defence is the non-specific response by macrophages, neutrophils and interferon. After crossing these two barriers the third line of defence comes into action in which, the B- cells and T-cells act specifically on the pathogen and destroy it.
Answer:
[tex]\huge\boxed{\sf Biological}[/tex]
Explanation:
When first and second line of defense is passed by the bacteria, the third line of defense will come into action which is a biological barrier which includes antigen which are anti-bodies generating substances.
[tex]\rule[225]{225}{2}[/tex]
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Which process does osmosis involve?
A. movement of solute up a concentration gradient
B.movement of solute across the cell membrane
C. movement of water across a cell membrane
D. movement of water up a concentration gradient
In plant cells, how are chloroplasts and mitochondria related?
A. Chloroplasts manufacture food;mitochondria break down the food and convert it to energy
B. Chloroplasts package nutrients;mitochondria deliver the nutrients to other parts of the cell
C. Chloroplasts absorb water from the surrounding tissue; mitochondria store water
D. Chloroplasts direct the functions of the cell;mitochondria deliver messages to other parts of the cell.
Answer:
Explanation:
Answer is A
Mitochondria are the "powerhouses" of the cell, breaking down fuel molecules and capturing energy in cellular respiration. Chloroplasts are found in plants and algae. They're responsible for capturing light energy to make sugars in photosynthesis.
what is the primary action of antidiuretic hormone?
Answer:
The primary action of the antidiuretic hormone is that it causes collecting ducts in the kidneys to reabsorb more water.
Explanation:
Human vasopressin is also known as the Anti-diuretic hormone (ADH) causes kidney-collecting ducts to reabsorb more water.
What is Anti-diuretic hormone (ADH)?Human vasopressin is also called antidiuretic hormone, arginine vasopressin or argipressin. It is defined as the hormone synthesized from the AVP gene as a peptide prohormone in neurons in the hypothalamus that converts to AVP.
ADH is the hormone that helps constrict blood vessels and helps the kidneys control the amount of water and salt in the body which helps control blood pressure and the amount of urine. This reduces the amount of urine released and the nature of urine becomes hypertonic which is concentrated. Because of this type of action, vasopressin is known as an antidiuretic hormone.
Thus, Human vasopressin is also known as the Anti-diuretic hormone (ADH) causes kidney-collecting ducts to reabsorb more water.
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What part of the cell divides during cytokinesis?
A. Cell Membrane
B. Nucleus
C. Mitochondria
D. DNA
are there any devices to stop incontinence in men post prostatectomy?
Answer: Urethral sling, artificial urinary sphincter may help.
Explanation:
Explain step by step or in simple terms how does the body regulate water
Answer:
The kidneys can regulate water levels in the body; they conserve water if you are dehydrated, and they can make urine more dilute to expel excess water if necessary. Water is lost through the skin through evaporation from the skin surface without overt sweating and from air expelled from the lungs.
The Vikings were able to effectively use their longboats to wage successful invasions from the water because: (Select ALL that apply)
the boats moveded swiftly and efficiently in the water making it easy to envade their enemies
the longboat rode high in the water, allowing it to sail further in the shallow water and transport the vikings closer to shore
the longboat was effectively camouflaged making it difficult for enemies to see it until it was too late
the long boat was not only fast, but also light enough to be carried over land fortifying bridges
The Vikings were able to effectively use their longboats because of the
following:
The boats moved swiftly and efficiently in the water making it easy to evade their enemies.The longboat rode high in the water, allowing it to sail further in the shallow water and transport the vikings closer to shore.The long boat was not only fast, but also light enough to be carried over land fortifying bridges.Vikings made use of the long boat because it was light weighted and the
people could carry it.
The light weight of the ship also ensured that it moved swiftly and was able
to sail in shallow waters.
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Observe the cell as it moves from stage to stage through cell division. What trends can you describe about the cell and its internal contents?
Answer:
The cell is going through a state of mitosis.
Explanation:
Note the spindle fibers moving apart and splitting the chromosomes.
The constitutional convention began as what ?
the process of food molecules reacting with oxygen is known as what process
Answer:
cellular respiration
Explanation:
its called cellular respiration
1. in a biogeochemical cycle, a chemical element spends time in different places, called .
addition of large amounts of salt to soil in which plants are growing kills the plants. explain
For this discussion, explain how each organelle in a eukaryotic animal cell is interconnected with the others. You will need to write at minimum a couple of paragraphs but at most as much as it will require for you to answer this.
Answer:
Different organelles make close contacts with each other via MCSs. These contact sites are generally thought to form via membrane proteins that act as tethers on the interacting organelles . Often these tethers are part of large multiprotein complexes.
The endomembrane system (endo = within) is a group of membranes and organelles in eukaryotic cells that work together to modify, package, and transport lipids and proteins. It includes the nuclear envelope, lysosomes, vesicles, endoplasmic reticulum and the Golgi apparatus, which we will cover shortly.
There are two types of proteins: structural proteins and enzymes. Cell organelles must work together to carry out protein synthesis, utilize proteins within the cell, and transport them out of the cell.
Explanation:
Is Neptune’s volume more than 100 times as large as earth
Answer: False
Explanation: If your doing this on ixl GG.2 this is the correct answer.
which of the following pairs Is most closely related? a- Tree and ant b- bacterium and tapeworm c- spider and fern d- wolf and cat
The closely related context here refers to the existing similarity used to classify these group of organisms.
Of the pairs, the most closely related is the wolf and cat
They are first and foremost both animals.They are also both vertebratesThey also belong to the same class of mammalsThese similarities makes them more closely related than any of the other following pairs which include a plant and an animal, an invertebrate and a single celled organism, another plant and an invertebrate.
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a zebra cell is just about to replicate its dna. what will happen first?
Answer:
The DNA unravels to make two strands.
I think this is the right answer
Select ALL the correct arswers.
Which statements correctly describe mutations in gametes and mutations in somatic cells?
Mutations to somatic cells are only present in the type of cell in which the mutation occurred.
Mutations to gametes are more likely to be beneficial than mutations to somatic cells.
Mutations to somatic cells will be inherited by an organism's offspring.
Mutations to gametes can be passed on to an organism's offspring
O Mutations to gametes do not involve changes in the DNA.
Mutations to somatic cells are transferred to daughter cells.
Answer:mutations to gametes can be passed on to an organism's offspring and mutations to somatic cells are only present in the type of cell in which the mutation occurred.
Explanation:The mutation in the somatic cells is known as somatic mutations. As they do not take place in the cells, which give rise to gametes, thus, the mutation is not inherited to the next generation by the sexual means.
On the other hand, the genetic mutations take place in the germline cells, that is, egg and sperm, because of this the mutations possesses the tendency to get passed on from one generation to another.
Thus, mutations are only passed on to offspring when they take place in germ cell DNA. The other kind of cells, the somatic cells refers to the rest of the cells in the body and mutations, which takes place in these cells do not get inherited further to the offspring.
Hence, the correct statements are
where does all the carbon in organisms originate from?
Answer:
plants from the earth's atmosphere.
Explanation:
Plants fix carbon in the form of carbon dioxide during photosynthesis. Then, any animal that comes along and eats the plant gets the carbon too.
Active transport moves molecules from and to which concentration?
A: high to low
B: low to high
C: low to lower
Option (B) low to high is right Answer
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We know that, Active transport moves ions and molecules across a membrane against the concentration gradient. It requires energy.
The characteristic features of active transport are:
-The movement of molecules in case of active transport is from lower concentration to higher concentration so it shows uphill transport.
-These have carrier proteins that are highly specific like enzymes for the substances to be carried across the membrane.
-The process of active transport can be inhibited by inhibitors that react with the protein side chains.
-The transport rate reaches its maximum when all the protein carriers are in use or get saturated with the substances to be carried.
The various types of processes that depend on active transport are:
-Absorption of amino acids from the gut.
-Absorption of mineral ions by plant roots.
-Excretion of urea and hydrogen ions by the mammalian kidney.
-Exchange of sodium and potassium ions in nerve cells.
-Filling of the contractile vacuole in amoeba.
The phloem in the leaves of a plant is rich in sugars because of the high rate of active transport.
Additional information :- Some intrinsic protein molecules function as molecular pumps. These permit the cell to go for active transport to accumulate glucose or ions against the concentration gradient. Cells that undergo active transport have abundant mitochondria that provide ATP needed to power active transport.▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
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At optimum light intensity, which atmospheric gas most directly influences
the rate of photosynthesis? *
Answer:
Carbon dioxide - with water - is one of the reactants in photosynthesis. If the concentration of carbon dioxide is increased, the rate of photosynthesis will therefore increase
Explanation:
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how long does it take from the time beans are planted until they are harvested