Specialized sweat glands associated with the production of earwax are known as ceruminous glands.
What is ceruminous gland and how does it produce wax?Ceruminous glands are the glands responsible for the production of ear wax in the ear.Ceruminous glands are present in the external auditory meatus of the middle ear and is responsible for the production of wax.Ceruminous glands does the job along with sebaceous glands .Though the answer to the question could be simply sebaceous gland but it is ceruminous gland along with sebaceous gland .The area in the outer ear canal have these glands producing ear wax which is natural phenomena.Along with it the apocrine glands are also responsible for wax and sweat.To know more about sweat glands visit :
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A single entity has been discovered that shows many of the characteristics of living things including growth, organization, and the ability to maintain homeostasis. However, because it does not reproduce, it is not considered a living thing.
True or false
Answer: False
Explanation: Reproduction can not be considered as a describing factor of living organisms.
for example: mule is a hybrid of female horse and male donkey which is a sterile animal
similarly in case of human beings there are several couples who can not have babies but they are living organisms.
Hence, Reproduction can not be counted as a defining property of living beings
A habitat is ___________________.
A habitat is a natural environment where organism lives,
What is a habitat?
Habitat in simple terms is where an organism lives due to to the suitability for it to survive in that particular place. Therefore, habitat can be be classified into types, the aquatic habitat, the terrestrial habitat and the arboreal habitat.
The types of habitat are:
Aquatic habitat: are places like lakes, rivers, ponds, oceans, where where water is present and it provides shelter, food and oxygen for organisms to survive and reproduce.Terrestrial habitat: are cover by land surface. This type of habitat can be forests. deserts, mountains and grasslands.Arboreal habitat: this is home for animals that live and survive in trees.In summary, a habitat is a natural place where an organism is found, where it lives and where it thrives.
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Calculate the population growth for the following scenario. Over the course of a year, a population of 25 penguins gained 5 penguins through births and lost 3 penguins to death. In addition, 10 adult penguins moved into the population through immigration and 6 adult penguins moved out of the population through emigration. What is the yearly growth rate of this population?
Yearly growth rate is 6.
Population increases by Birth and immigration. Population decreases by death and emigrations .so, yearly growth rate of this population from births and immigration provides the growth rate of a population over a given period of time.
Birth immigration 5+10,6+3
Yearly growth rate is 15-9=6
Population growth is the increase in the number of people in a population or dispersed group. To calculate the Population Growth (PG) we find the difference (subtract) between the initial population and the population at Time 1, then divide by the initial population and multiply by 100.
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Question 3(Multiple Choice Worth 3 points)
(02.06 MC)
What best explains the relationship between photosynthesis and cellular respiration?
~ The higher the rate of formation of products in respiration, the lower the rate of photosynthesis.
~ Photosynthesis depends on the carbon dioxide released during cellular respiration.
~ Cellular respiration depends on the water released during photosynthesis.
~ They have the same set of product molecules.
Photosynthesis depends on the carbon dioxide released during cellular respiration. Option C.
Glucose is then converted to carbon dioxide and used for photosynthesis. Water is broken down into oxygen during photosynthesis, but oxygen combines with hydrogen during cellular respiration to produce water. Cellular respiration is the process by which biofuels are oxidized in the presence of inorganic electron acceptors
Most aerobic respiration with oxygen occurs in the mitochondria of cells whereas anaerobic respiration without oxygen occurs in the cytoplasm of cells. During cellular respiration, glucose and oxygen react to form ATP. Water and carbon dioxide are released as by-products. In the absence of oxygen, pyruvate undergoes a process called fermentation.
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Which is NOT a benefit of biodiversity?
A. clean air and water
B. natural gases
C. spread of agriculture
D. food
The variety of animals, plants, fungi, and even microorganisms like bacteria that created up our natural environment exist all included in what is known as biodiversity
What is meant by biodiversity?The variety of animals, plants, fungi, and even microorganisms like bacteria that make up our natural environment are all included in what is known as biodiversity. These various species and critters collaborate in complicated web-like ecosystems to keep things in balance and support life. The systems that sustain all life on Earth, including humans, depend on biodiversity. We cannot have the healthy ecosystems that we depend on to give us the air we breathe and the food we consume without a diverse variety of animals, plants, and microorganisms. People also appreciate nature in and of itself.The first tenet of the origin of modern biodiversity was established by Charles Darwin, who postulated that all species were connected by a single, vast phylogeny, or tree of life, and that all of them could be traced back to a single, original species that existed at some remote point in the geological past.To learn more about biodiversity refer to:
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What is the name given to biological catalysts?
Answer:
anenzyme is a biological catalyst and is almost protein.
A scientist is comparing ribosomes in a prokaryotic cell and a eukaryotic cell. Which is a property of the ribosomes from the eukaryotic cell only and not the prokaryotic cell?
Answer:he key difference between prokaryotic and eukaryotic ribosomes is that the prokaryotic ribosomes are 70S particles composed of 50S large subunit and 30S small subunit while the eukaryotic ribosomes are 80S particles composed of 60S large subunit and a 40S small subunit.. Prokaryotes and eukaryotes are two major groups of living organisms that differ from the cellular organization.
Explanation:
How do we make room when we delete or insert a mutation in our DNA?
In a sequence alignment, we need to use a script when we delete or insert a mutation in our DNA in a nucleotide sequence.
What is a sequence alignment?A sequence alignment is an alignment between the nucleotide sequences of different but evolutionary-related organisms that allow to identify of single nucleotide polymorphisms, deletions and insertions (commonly known as indels). This alignment is denoted with a script for indels.
Therefore, we can conclude that a sequence alignment is denoted with a script of the presence of indels that evidence mutations in the nucleotide sequence between organisms.
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I need help please!!
1According to the periodic table, the statement that correctly describes the change from a neutral atom of an element to its ion is: a phosphorus atom forms a P ion by gaining three electrons; option D
Ions are substances that are formed when neural atoms lose or gain electrons.
There are two types of ions:
cation - these are positively charged ionsanions - these are negatively charged ionsCations are formed by the loss of electrons. Metal atoms form cations by a loss of electrons.
For example; Mg ---> Mg²⁺ + 2 e⁻
Anions are formed by a gain of electrons. Non- metals form anions by a gain of electrons.
For exmaple: Cl₂ + 2 e⁻ ---> 2 Cl⁻
Therefore, ions are formed when atoms gain or lose electrons.
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Q1. In a sound wave what is a region of high pressure known as?
Q2.Name a wave that does not need a material to travel
Q3.Why does sound travel faster in solids as compared to liquids and faster in liquid as compared to gases?
Answer:
1. In a sound wave what is a region of high pressure known as?
These regions are known as compressions and rarefactions respectively. The compressions are regions of high air pressure while the rarefactions are regions of low air pressure.
2. Name a wave that does not need a material to travel
An electromagnetic wave can travel through anything - be it air, a solid material or vacuum. It does not need a medium to propagate or travel from one place to another.
3. Why does sound travel faster in solids as compared to liquids and faster in liquid as compared to gases?
This is because the molecules of solids are more tightly packed together than in liquids and those in liquids are more tightly packed than in gases. Vibrating effects are more easily passed on from one molecule to the next when they are in close proximity.
Explanation:
Hope it helps! =D
You know that all eleven body systems work together in the human body. What would happen if a system stopped working?
Answer: Every organ system is important for the body and if one of them stops working the entire body would collapse and be dysfunctional. After one system shuts down, the others would slowly start to shut down as well until the body can no longer maintain homeostasis and the person would slowly die.
Explanation: Some body systems work together to complete a job. For example, the respiratory and circulatory systems work together to provide the body with oxygen and to rid the body of carbon dioxide. The lungs provide a place where oxygen can reach the blood and carbon dioxide can be removed from it.
Answer:
The biological processes halt and one dies.
Explanation:
Biological operations are key to life.
Describe how a cheese sandwich is broken down by the digestive system. (10 marks) You MUST include the following in your answer:Name at least 5 organs in the digestive system in the correct order. Write at least one sentence explaining what happens in each organ of the digestive system. Name two enzymes involved, where they are found and what they do. For a bonus mark, include examples of mechanical digestion.
5 organs of Digestive system :-
mouthstomach pancreassmall intestinelarge intestineWhat happens in each organ of the digestive system.
mouth - mastication of foodstomach - digestion of foodpancreas - secrete enzymessmall intestine - food absorption large intestine - water absorptionTwo enzymes involved
Amylase - breaks down complex carbohydratesProtease - breaks down proteinsThe human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion. Digestion includes the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the frame.
The digestive system includes the mouth, pharynx , esophagus, belly, small intestine, massive gut, rectum, and anus. it is also the salivary glands, liver, gallbladder, and pancreas, which make digestive juices and enzymes that help the body digest food and beverages.
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How would I fill in the Lillies and Nematodes?
1.this part of the brain controls the beating of the heart
a.spinal cord b.cerebrum c.cerebellum d.main stem
2. tiny connections or pathways in the nervous system are called ___
a.blood cells b. neurons c.brain tissues d.tiny cells sites
3. sounds enter the ear as ___
a.vibrations b.loud c.reactions d. all of these
please help me answer this questions it’s due tomorrow 7am….
3. D
Explanation:
nice
Answer:
1(the answer is the brain stem)
2(the answer is the neurons)
3(the answer is the vibrations)
which system is responsible for beathing
what type of body is favored in hot-dry climates
High-surface-area-to-volume ration
Low-surface-area-to-volume ratio
The type of body that is favored in hot-dry climates is option A: High-surface-area-to-volume ration.
Why choose the High-surface-area-to-volume ration?Larger animals retain more body heat in cold areas because they radiate less heat per unit of mass due to their lower surface to volume ratio than smaller animals.
Note that Body heat produced by metabolism requires to be swiftly expelled rather than kept by animals living in warmer regions.
Therefore, In hot and dry regions, the increased surface-to-volume ratio of smaller animals enables heat dissipation through the skin as well as aids in bodily cooling.
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name three important factors that can effect the rate of photosynthesis
Answer:
light intensity, carbon dioxide concentration and temperature.
Explanation:
An excess of carbon dioxide (CO2) in a chloroplast makes conditions there more acidic. Such a change can cause protein molecules in the cells to change shape and stop functioning. Which change is most likely to happen is a chloroplast contains to much CO2
A. A decrease in formation of chlorophyll in thylakoids
B. An increase in the amount of CO2 that the cell can absorb
C. An increase in the amount of O2 that the cell can absorb
D. A decrease in the formation of ATP by the light reactions
The change that is most likely to happen is a chloroplast contains to much carbon dioxide is decrease in the formation of ATP by the light reactions (option D).
What is the effect of excess carbon dioxide?This question is describing the process of photosynthesis, which is how green plants synthesize their food (sugar) in the chloroplast of their cells.
According to this question, too much of CO₂ will lead to the chloroplast being acidic, which will utterly cause protein molecules in the cells to change shape and stop functioning.
Enzymes that bring about the photosynthetic process in the chloroplast are composed of proteins. This means that the synthesis of ATP in the light reaction of photosynthesis will be disrupted because of deactivation of enzymes.
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Answer: A decrease in the formation of ATP by the light reactions.
A boxer has been jumping rope for an hour. His leg muscles are burning and
he feels weak. Which substance is the most likely cause of the burning he
feels in his muscles?
Waste products from anaerobic respiration substance is the most likely cause of the burning he feels in his muscles.
What is the muscle function?Its ability to contract is their key principle. Movement is caused by muscles that are connected with blood vessels, internal organs, or bones. Less body fat, a better immune system, more energy, less stress, and almost all bodily activity is indeed the consequence of muscle contraction.
Which body parts are muscles?An organ of the postural muscles is a whole muscle tissue. Skeletal muscle tissue, connective, nerve tissue, and blood or vascular tissue make up each organ or muscle. Size, form, and fibre arrangement in skeletal muscles vary widely.
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Application: The enzymes in lysosomes are dangerous, and can’t be directly exposed to the cytoplasm. In the diagram
below, 7 represents a lysosome. Explain what has to happen for an enzyme to get placed inside a lysosome. Note that the
membrane (8) is not involved in this process.
First, the instructions…
Next,
After that, the smooth ER will
Following that, a vesicle will
At the Golgi,
Finally.
First, enzyme synthesis occurs following mRNA instructions. Next, enzymatic maturation occurs in the RER. After that, the SER sends enzymes and lipids to the Golgi complex into vesicles. The Golgi complex packages hydrolytic enzymes into lysosomes and sends them to thei destiny.
How are lysosomal enzymes synthesized and packaged?Let us remember that enzymes are proteins, so they follow the protein synthesis process.
1)
First, mRNA is synthesized within the nucleus by copying the DNA fragment that provides the necessary information for protein building.
2)
When mRNA leaves the nucleus forward to the cytoplasm, it meets a ribosome and starts protein-building. Ribosomes attached to the RER membrane are responsible for synthesizing membrane proteins, exportation proteins, or enzymes.
Proteins destined to become enzymes, membrane proteins, or exportation proteins start their growth in the cytoplasm, where a signal aminoacidic sequence is synthesized.
A signal-recognizing particle leads the synthesizing protein to the Rough endoplasmic reticulum. Once there, it continues protein building forward the reticulum lumen.
When the new protein synthesis is complete, the polypeptide is released into the reticulum lumen, suffering a few posterior steps related to conformation and structure.
The rough endoplasmic reticulum is in charge of protein folding to become functional, maturation, and transport. It produces the latest protein modifications after transduction and initiates the glycosylation process.
3)
Meanwhile, the smooth endoplasmic reticulum is in charge of lipid synthesis. These lipids are the ones that will compose the vesicle membranes in which proteins are packaged and the lysosome membranes.
4)
The new proteins get packaged into vesicles that carry them to the Golgi complex. Lipids are also sent to the Golgi complex.
5)
Once in the Golgi complex, occurs the final association of carbohydrates and lipids with proteins to originate glycoproteins and glycolipids.
This distribution center sends proteins to different regions in the cells. Among other functions, it concentrates and packages hydrolipic enzymes into lisosomes.
6)
Enzymes are packaged and sent from the Golgi complex to their final destiny into vesicles. Lisosomes are formed.
So, according to this sequence, we can answer the question.
First, the instructions for enzyme synthesis will be copied from DNA in the nucleus, where mRNA is synthesized.Next, mRNA will leave the nucleus. Enzymes synthesis will start in the cytosol and finish in the rough ER. The enzyme maturation stage will be completed there.
After that, the smooth ER will produce membrane lipids, and package the enzymes into vesicles.
Following that, a vesicle will reach the Golgi complex.
At the Golgi, hydrolytic enzymes will be packaged into lysosomes.
Finally, lysosomes will be released into the cytosol to accomplish their functions.
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Where does soil erosion occur?
During DNA replication, which enzyme performs each job listed below. Options for enzymes are ligase, DNA polymerase, and helicase.
Ligase is an enzyme that uses ATP to form bonds.DNA polymerase is a type of enzyme that mainly forms new copies of DNA. Helicases are enzymes that bind nucleic acid protein complexes.
DNA replication requires enzymes like DNA polymerase DNA helicase, DNA ligase. DNA ligases are crucial enzymes of DNA metabolism. The reaction they catalyze is required in DNA replication and in DNA repair pathways that require the re-synthesis of DNA. Helicases are defined as a class of enzymes that catalyze the separation of duplex nucleic acids into single strands in an ATP-dependent reaction and function in DNA modification processing.
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Investigating Energy Systems
Harnessing Human Energy Chapter 1 Lesson 1.2
Reasoning Tool
Possible subclaims:
The Battery System does have energy.
or
The Battery System does not have energy.
The Hand-Crank Generator System does have energy.
or
The Hand-Crank Generator System does not have energy.
The Solar Cell System does have energy.
or
The Solar Cell System does not have energy.
Evidence
(observations about whether the system does or does not have energy)
This matters because . . .
(How does this evidence support the subclaim?)
Therefore, . . .
(subclaim)
The Possible subclaims in relation to Investigating Energy Systems is Option C: The Solar Cell System has energy.
The Evidence: As the sun shines on a solar panel, energy is captured by the PV cells on the panel. This Matters significant because it causes the flow of electricity by generating electrical charges that are accelerated by a shifting internal electrical field within the cell. Therefore, a solar cell system is one that has some amount of energy therein.
What is solar cell and its uses?A solar cell, also known as a photovoltaic cell, is an electrical device that uses the photovoltaic effect, a natural physical and chemical phenomena, to convert light energy directly into electricity.
Solar cells, commonly known as photovoltaic cells, convert sunlight directly into electricity. Solar cells are a reliable, small, and low-maintenance source of renewable energy. Solar cells frequently produce electricity in remote locations, allowing machinery to be powered far from the nearest electrical outlet.
Therefore, A photovoltaic (PV) cell, also known as a solar cell, can either reflect, as well as absorb, or pass via light that strikes it. The semiconductor material that makes up the PV cell is "semi" conducts electricity better than an insulator.
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How old is Earth and when did the oxygen revolution occur?
When a motor unit is sufficiently stimulated, all of the muscle fibers in that motor unit will contract?
When a motor unit is sufficiently stimulated, all of the muscle fibers in that motor unit will contract is a true statement.
What is Motor unit?They are referred to as the smallest unit of the nervous system and comprises of muscle fibers which number about one to 1000 depending on various factors.
An example of a motor unit is known as soleus which is present in the lower leg and stimulation which is sufficient will result in muscle fibers contracting and being activated. This results in the production of maximum muscle force as a result which is why true was chosen.
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The full question is:
When a motor unit is sufficiently stimulated, all of the muscle fibers in that motor unit will contract? true/false
do you think that the incubation period of all the animal is same? why?
Answer:
The incubation period, the time from the start of uninterrupted incubation to the emergence of the young, varies from 11 days (some small passerines and the black-billed and yellow-billed cuckoos) to 85 days (the wandering albatross and the brown kiwi).
The element which forms the backbone of all organic molecules is: PLEASE HELPPPP
Answer: Organic chemistry based on compounds in which (Carbon) is a central element. The properties of carbon make it the backbone of the organic molecules which form
Explanation: The fundamental component for all of these macromolecules is carbon. The carbon atom has unique properties that allow it to form covalent bonds to as many as four different atoms, making this versatile element ideal to serve as the basic structural component, or “backbone,” of the macromolecules.
Answer: Carbon
Explanation:
26 1 point
Some bacteria can convert the milk to yogurt under the right conditions and produce acid while doing so.
Which of these processes would you expect to be key in the production of yogurt?
Cell Respiration
Lactic Acid Fermentation
Alcoholic Fermentation
Amino Acid Synthesis
Previous
Lactic Acid Fermentation is the processes we would expect to be key in the production of yogurt.
Fermentation is a natural process that can be used in a number of ways for wide variety of food products. Yogurt forms when bacteria ferment the milk sugar, known as lactose, into lactic acid. The lactic acid makes the milk more acidic (lower pH) causing the proteins to coagulate.
Yogurt is a product of the acidic fermentation of milk. The lactose in the milk is converted to lactic acid, which lowers the pH. The production of yoghurt is a relatively simple procedure. Milk, which can be fortified with milk powder to give a thicker product, is pasteurized, cooled and inoculated with starter bacteria, which ferment the milk, causing it to clot or gel.
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You are performing a dissection and have discovered a fluid vessel, but you don’t know if it is from the cardiovascular system or from the lymphatic system. Finding which of the following features will confirm that this can only be a lymph vessel?
a. The presence of valves
b. The presence of three tunics (intima, media, and externa)
c. Designed to handle low fluid pressure
d. One-way flow of fluid
e. Presence of anchoring filaments f. Connection to the heart
The following features which will confirm that this can only be a lymph vessel include the following:
c. Designed to handle low fluid pressure
d. One-way flow of fluid
f. Connection to the heart.
What is Lymphatic vessel?This is referred to as the network of capillaries and tubes which are located throughout the body and transport lymph away from tissues. they are also involved in the collection and draining of lymph and it is usually done at the node region.
This type of vessel works under low pressure and allows the flow of fluid in only one direction. This is enhanced by the presence of the semilunar valves.
It is connected to the heart as it helps drain tissue fluid in order to maintain the steady-state interstitial fluid equilibrium thereby making it the correct choice.
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1.Photosynthesis and cellular respiration are often described in two ways: (1) they are chemically opposite; and (2) they have a relationship to each other. Explain what these two statements mean. Be sure to include the specific substances used and released by each process.Answer:I need help writing a simple and original answer.
They are chemically opposite, since one (photosynthesis) implies an anabolic metabolism. It produces sugar, from atmospheric CO2. While respiration is a catabolic process, it takes this sugar and oxidizes until it creates CO2, ¡the very essential ingredient photosynthsis needs! So, to sum up, while photosynthesis creates sugar, respiration consumes it. This has a deeper physiological meaning, because both process happen at the same time, they could be view as a worldwide ecosystemical gas atmospheric regulation. Some organisms produce sugar and release Oxygen (photosynthesis products), while others consume sugar and release CO2 (non photosynthetic organisms). Note that plants, are also capable of repiration (that is, C02 release) but this occurs at lesser extent than in animals.