Photosynthesis consists of producers taking in CO₂ which is therefore denoted as option C.
What is Photosynthesis?This is referred to as the process in which green plants manufacture food in the presence of sunlight and employs the use of various compounds in other to produce glucose.
The plants involved in this process are referred to as primary producers and it employs the use of the green pigment known as chlorophyll which traps the sunlight and provides energy for the reaction to occur in the cells of the plants. This ensures that food is available to other members of the ecosystem such as consumers e.g animals , humans etc.
They take in carbon dioxide and water and produce glucose and oxygen as the product in this type of reaction and it can be seen below:
6CO₂+ 6H₂O → C₆H₁₂O₆ + 6O2.
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How many germ (cell) layers are present in acoelomates? Explain your answer
Amino acids are used to build
Answer:
Proteins
Explanation:
The building blocks of proteins are amino acids
what is an omnivore and a carnivore and herbivore
Plant tissues are made of three basic types of cells: parenchyma, collenchyma and sclerenchyma.
Which of the following statements is true about all plant cells:
O They do not have nucleus
O They do not have a cell membrane
O They have a cell wall
O They have the same functions
Answer: The following statements are true about plant cells-
-They have a cell wall
-They have the same functions
Explanation:
A cell wall is present in a plant cell to keep its structure and rigidity. They are made from cellulose.
All plant cells have a nucleus, ribosomes, mitochondria and cell membrane and they all have the same functions as they would have in an animal cell.
Statement 1 is false as plant cells are eukaryotic, which means they have a nucleus.
Statement 2 is also false because a plant cell needs a cell membrane to separate the vacuole and the organelles.
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22. What is the central iden of "A Brief History of DDT"?
ects. but its harmful effects led to limited use.
B. Rachel Carson was attacked by the chemical Kennedy defended her.
C. Pesticides such as DDT cause liver tumors in mice and cancer in humans.
D. If it hadn't been for Rachel Carson, farmers would still be spraying their crops with DDT:
Pesticides such as DDT cause liver tumors in mice and cancer in humans.
what is DDT ?
The first of the current synthetic pesticides, DDT (dichloro-diphenyl-trichloroethane), was created in the 1940s. Malaria, typhus, and other human illnesses spread by insects were the first to be successfully treated with it in both military and civilian populations. Additionally, it worked well to control insects in houses, institutions, gardens, dwellings, and crop and livestock production. Due to DDT's widespread usage and early effectiveness as a pesticide in the US and other nations, many insect pest species have developed resistance to it.
DDT is:
a substance that is known to be extremely persistent in the environment, builds up in fatty tissues, and
in the high atmosphere, may travel great distances.
Although the concentration of DDT in the environment and animals has dropped since it was no longer used in the United States, residual danger from earlier usage is still present due to its persistence.
Concerns about hazards to the environment, wildlife, and public health led to the EPA's 1972 prohibition. A possible causal link between DDT exposure and reproductive impacts is also postulated.
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help me please hurry up fr :(
Answer:
Ex3. The top squares are both Tt and the bottom squares are both tt. The probably of the offspring being a homozygous recessive is 50%.
Ex4. The difference between phenotype and genotype is that genotype is the exact genetic information while phenotype is the observable trait of the organism. For the example above, the genotype would be the Tt and tt while the 2 phenotypes would be showing the dominant or the recessive.
Explanation:
A gene is the information required to make an RNA or protein product, a(n) ______ is a variant version of a particular gene.
A mutation is a different version of a specific gene, whereas a gene is the information needed to create an RNA or protein product.
What are genes, and what do they do? Is a gene an RNA segment that helps make proteins?A gene is a region of DNA needed to make a single protein. Since genes contain the genetic information for proteins consisting of hundreds or thousands of amino acids, they are often hundreds or thousands of base pairs long. The instructions needed to create the useful molecules known as proteins are found in the majority of genes.
What do you name a gene variant?Depending on where they occur and whether they change the way that critical proteins operate, gene variations, also known as mutations, can have different implications on health.
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Explain how mammals regulate their body temperature and relate this to their body size
Answer: Mammals control their body temperature with the help of a gland, called hypothalamus. It is a type of thermoregulatory gland.
Explanation: There is a gland present in mammals that control body temperature called the hypothalamus. Hypothalamus is a type of thermoregulatory center that regulates heat loss and is production.
The hypothalamic center is influenced by nerve impulses from receptors near the skin and the temperature of the blood flowing through it.
Mammals can stay cool in many ways. For eg: Cells release a type of chemical called heat shock chemicals that helps in adjusting the temperatures. Other ways include sweating, drinking cool water and panting, to lower the body temperature. Seeking relief from the sun in warm dry climates is another way mammals, including humans, try to cool off.
Mammals usually regulate their body temperature by keeping their metabolic rate high. The cells of mammals have many more mitochondria than the cells of other animals. The size of the body is inversely related to the efficiency of temperature regulation in mammals.
How does size affect the regulation of temperature?Small mammals have a greater surface area in relation to their volume (surface area to volume ratio). This means that they have a greater amount of surface through which to lose heat in relation to their size. So large mammals stay hotter for longer.
The presence of extra mitochondria in larger mammals generates enough energy to keep the rate of metabolism high. Mammals can also generate little bursts of heat by shivering. A small mammal has a greater surface area for its size compared to an adult mammal. That is why a small mammal, as well as a baby, is more prone to heat loss. Larger mammals can keep their heat for a longer time.
Therefore, mammals usually regulate their body temperature by keeping their metabolic rate high.
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one predator avoidance mechanism that has evolved in prey is secretion of enzymes that break down toxic plant compounds. development of a short gestation period. chemical defenses and bright coloration. secretion of digestive enzymes that hydrolyze glucose.
One predator avoidance mechanism that has evolved in prey is secretion of enzymes that break down toxic plant compounds is chemical defense.
Predation makes all the people withinside the populations being preyed upon much less fit. Predation does not have any long time results on prey organisms. Predation will make prey organisms wait longer to reproduce. The best-recognized examples of predation contain carnivores interactions, wherein one animal consumes another. Think of wolves looking moose, owls looking mice, or shrews looking worms and insects. Less apparent carnivorous interactions contain many small people eating a bigger one.
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HELPPPP PLS: Give an example of how the lack of sunlight can affect interactions between living/non-living things.
The interaction between living things and non-living things can be seen in a situation where a lack of sunlight affects the rate at which evaporation of water which results in rainfall cannot occur, and plants and animals are unable to obtain water for their growth and metabolism.
What are living and non-living things?Living things are things that have life in them. They include plants and animals. The characteristics of life that living things possess include:
movementrespirationnutritionreproductiongrowthexcretionIrritabilityNon-living things are things that do not have life in them. Examples of non-living things include rocks, water, and gases.
Living things and non-living things interact with each other in the environment.
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Which of the following is a characteristic of cell communication that suggests cell signaling evolved early in the history of life?a. All organisms form cell junctions to allow transfer of signaling molecules.b. All organisms produce hormones to carry out signaling processes.c. Plants, animals and bacteria share very similar signaling processes.d. Plants, animals and bacteria use long - distance signaling molecules.
Plants, animals, and bacteria share very similar signaling processes is a characteristic of cell communication that suggests cell signaling evolved early in the history of life.
The fundamental design of the signaling pathways is fairly similar in all of these organisms. The extracellular domain of the receptor is where signalling molecules often attach, causing certain conformational changes in the receptor that result in the creation of secondary messengers inside the cell, which in turn cause more adaptor molecules and transcription factors. All of these cellular internal alterations cause the transcription or chemical synthesis of the necessary enzymes, which aid the cell in responding to the signal.As a result, this characteristic of cell communication suggests that cell signalling evolved early in the course of life.Not every organism makes hormones for cell signalling. The majority of higher organisms, such as animals and plants, have access to hormones. There is no cell signalling hormone produced by bacteria. Thus, it is not a characteristic either.To know more about organism check the below link:
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effects of bilobed placenta
i think the answer is biabets
What are your thoughts on extraterrestrial life in our galaxy/universe?Do you think there is life elsewhere? Where might we find it?What might that life look like, or how might it be different from what we know?Would it be primitive or developed/intelligent?Would that other life form try to explore the galaxy/universe or find other life forms like us?
There are invisible companion bodies in their orbit that are as huge as large planets, and we have discovered these bodies. processes that led to the emergence of life on Earth must be widespread in the cosmos.
What three types of universes are there?The universe can have one of three basic forms: a flat one with Euclidean or zero curvature, a spherical one with positive curvature, or an open one with hyperbolic curvature (negative curvature).
Greater than the universe is what?No, every solar system and galaxy can be found in the cosmos. The Milky Way Galaxy contains hundreds of billions of stars, including our Sun, while the universe itself is made up of billions of galaxies.
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In the cell, the site of oxygen utilization is the
a) nucleus.
b) chloroplast.
c) endoplasmic reticulum.
d) mitochondrion.
e) cytosol
The correct option is (d) mitochondrion, the site of oxygen utilization in the cell.
The fundamental structural and operational unit of all living things is the cell. A variety of macromolecules, such as proteins, DNA, and RNA, as well as a large number of small molecules that constitute nutrients and metabolites are found in each cell's cytoplasm, which is encircled by a membrane. The word cellula, which means "small apartment" in Latin, is where the phrase gets its name. Protein synthesis, DNA repair, replication, and motility are just a few of the operations that cells can carry out internally in addition to developing specialized capabilities. Cells can migrate around and specialize within the cell. Most cells are measured in micrometers due to their tiny size. The bulk of plant and animal cells, which range in size from 1 to 100 micrometers, can only be seen under a light microscope. An extremely detailed cell structure can be seen with electron microscopy, which has a much better resolution. Unicellular (consisting of just one cell, like bacteria) and multicellular are the two categories of creatures (including plants and animals). The bulk of unicellular creatures are microorganisms.
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Mechanical energy is associated with the forces that hold particles together in an atom's nucleus.
Answer:
False - Explanation: Mechanical energy is associated with the motion and position of an object.
which the following sexual transmitted infections (stis) has a long asymptomatic latent phase characteristic?
Syphilis is a sexual transmitted infections (STI) has a long asymptomatic latent phase characteristic.
Syphilis Causes and SymptomsSyphilis is caused by a bacterial infection Treponema pallidum which is spread through sexual contact with lion king sufferers. The syphilis-causing bacteria can also be spread through physical contact with wounds on the sufferer's body.
Symptoms of syphilis are classified according to the stage of development of the disease. Each type of syphilis has different symptoms. Here is the explanation:
Primary syphilisThis type of syphilis is characterized by sores (chancres) where the bacteria enter.
Secondary syphilisThis type of syphilis is characterized by the appearance of a rash on the body.
Latent syphilisSyphilis does not cause symptoms, but the bacteria are present in the patient's body.
Tertiary syphilisSyphilis can cause damage to the brain, nerves, heart or other organs.
Syphilis Treatment and PreventionTreatment of syphilis will be more effective if done at an early stage. During the treatment period, sufferers are advised not to have sex, until the doctor makes sure the infection has healed.
Syphilis can be prevented by practicing safe sex, namely being faithful to one sexual partner and using a condom every time you have sex. In addition, examination or screening for syphilis also needs to be carried out routinely for people who are at high risk of experiencing this disease.
Your question is incomplete but most probably your full question was:
Which the following sexual transmitted infections (STIS) has a long asymptomatic latent phase characteristic?
a. Gonorrhea
b. Syphilis
c. Chlamydia
d. Hepatitis B
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Which of the following can be a challenge when implementing a green space? (1 point)
O making sure no buildings are around it
O making sure there are enough sidewalks
O making sure it is not shaded
O making sure access is equitable
Answer: D. making sure access is equitable
Explanation: When implementing a green space, one of the challenges can be ensuring equitable access. It is important to make sure that the green space is easily accessible to all members of the community, regardless of their location or socioeconomic status. This can involve factors such as the proximity of the green space to residential areas, public transportation options, and the presence of sidewalks or pathways that allow people to reach the green space safely.
diagram 1 depicts . during this part of ventilation, the rib cage moves , pressure in the lungs , and air is pushed . the diaphragm and moves down.
In inspiration, during this part of ventilation, the rib cage moves up, pressure in the lungs decreases, and air is pushed into the lungs. The diaphragm contracts and moves down.
The human respiratory system refers to an efficient system of inspiring and expiring respiratory gases that occur in the lungs. Inspiration or inhalation refers to the process of taking air into the lungs. It is the active phase of ventilation as it occurs as the result of muscle contraction. During inspiration, the diaphragm contracts and pull downward. The thoracic cavity increases in volume and pressure in the lungs decreases. This decreases the interalveolar pressure so that air flows into the lungs.
Note: The question is incomplete. The complete question probably is: Diagram 1 depicts inspiration. During this part of ventilation, the rib cage moves up, pressure in the lungs ________, and air is pushed into the lungs. The diaphragm ________ and moves down.
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For which of the following conditions would you MOST likely encounter a ventricular peritoneum shunt?
you MOST likely encounter a ventricular peritoneum shunt in hydrocephalus.
Another way to treat hydrocephalus is ventriculopleural diversion (VPLS), which diverts additional cerebrospinal fluid into the pleural space. Pleural effusion develops and accumulates as a result of an imbalance between CSF production and absorption.
How long does a ventriculoperitoneal shunt last?After several years, especially in younger children, the VP shunt may need to be replaced. The life expectancy of a newborn shunt is her two years. Adults or children 2 years and older may not need shunt replacement for 8 years or longer.
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What is meant by the net movement of particles
Answer: The number of the molecules moving in the direction of the forces minus the number of the molecules moving in other direction
Explanation: The number of the molecules moving in the direction of the forces minus the number of the molecules moving in other direction is the net movement of the molecules.
Explanation:
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In part, the impulsivity of adolescence reflects the fact that brain development occurs more slowly in the brain's ______ than in its ____.
Answer:
Covalent and bonds
Explanation:
bonds that are covalent
which of the following is classified as an insoluble fiber? A. mucilage B. cellulose C. pectin D. gums
The insoluble fiber is cellulose that is option B.
What is cellulose ?Plant cell walls are composed of cellulose, a type of fiber. You ingest cellulose when you eat plant-based meals. The addition of cellulose helps many other foods with various features, from reduced calorie or diet foods to shredded cheese. There are supplements that contain cellulose.
The body cannot digest cellulose because it is an insoluble form of fiber. When you consume a piece of celery, its other nutrients are digested, but the cellulose passes through your system undigested. Your health gains from this in a number of significant ways.
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. In the picture below, in which direction will water move?
into the cell
out of the cell
Answer: into the cell
Explanation:
North American gray wolves range from Arctic regions to Mexico. Arctic wolves are large,
thickly-muscled, and have white fur, while Mexican wolves are small and have gray fur. Infer
from the data in the diagram above how scientists classify organisms of the same species,
such as the Arctic wolf and Mexican wolf, which have significantly different traits.
In order to keep their bodies warm, Arctic wolves are smaller than Grey Wolves. They also have smaller ears and shorter muzzles. Length: Including the tail, between 1-1.8 m. Caribou, muskox, and Arctic hares make up the bulk of the arctic wolf's diet. Thus, option A is correct.
What gray wolves range from Arctic regions to Mexico?The Chihuahuan and Sonoran deserts, as well as mountain woods, are among the environments where Mexican gray wolves can be found.
Therefore, From the Arctic to Mexico, gray wolves can be found in North America. Mexican wolves are petite and have gray fur, but Arctic wolves are huge, heavily muscled, and have white fur.
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Older adults should participate in muscle-strengthening exercise at least
twice a week.
once a week.
twice a month.
three times a week.
Muscle-building exercise should be done by older persons at least twice a week.
How much muscle-strengthening exercise do older adults need?Sedentary behaviour, chronic non-communicable diseases, and falls in the elderly are all linked to all-cause mortality. At least two days a week should be dedicated to physical activity to build your muscles. Exercises should target your entire body's primary muscle groups, including your legs, hips, back, chest, belly, shoulders, and arms. Along with your cardiovascular exercise, you should perform muscle-building exercises.
The minimal requirements for fall prevention include a balancing exercise protocol performed three or more times per week and a muscular strengthening programme that targets the primary lower limbs performed at least twice per week.
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The approach that uses information from genome projects to understand genetic variation among different populations is called ______________ genomics.
Answer:
Comparative
Explanation:
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Increase in the enzymatic activity of some protein kinases important for the regulation of the cell cycle are due to...a) kinase synthesis by ribosomesb) activation of inactive kinases by binding to cyclinsc) conversion of inactive cyclins to active kinases by means of phosphorylationd) cleavage of the inactive kinase molecules by cytoplasmic proteasese) a decline in external growth factors to a concentration below the inhibitory thresholdAnswe: b) activation of inactive kinases by binding to cyclins
An increase in the enzymatic activity of some protein kinases important for the regulation of the cell cycle is due to b) activation of inactive kinases by binding to cyclins.
The process by which a cell prepares for and successfully divides is referred to as the cell cycle. A number of checkpoints and proofreading of cellular processes are part of the cell cycle.
activation of a protein known as cyclin-dependent kinase, which is necessary for cell cycle regulation processes and binds to cyclin proteins during the cell cycle. The cell produces these proteins in varying amounts and at various times.
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An acellular entity composed of a small circular RNA molecule without a capsid and capable of replicating its genome is known as which of the following? A) prion B) virion C) viroid D) virus
An acellular entity composed of a small circular RNA molecule without a capsid and capable of replicating its genome is known as Viroid.
Viruses, Viroid, Virion and PrionLet’s find out the difference among Prion, virion, viroid and virus.
Viruses and sub viral particles together are all categorized as non living infectious agents.
Viruses are acellular, only made of a protein coat or a capsid, which protect the genetic information, either DNA or RNA and sometime have envelopes. They are small so that they don’t have organelle.
There are two types of sub viral particles, viroids and prions.
Viroids are smaller than viruses because they’re only made of a single strand of circular RNA, with no protein coat (capsid). They are only found on infecting the plants.
Prions come from the word proteinaceous infectious particles. Prion have no genetic material. That means no RNA or DNA at all. They are only made of proteins. So prions are different from viruses and viroids.
Virion are what we call whole viruses. Virion is a complete, fully developed, infectious viral particle composed of nucleic acid and surrounded by a protein coat.
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When genetic and environmental effects contribute independently to phenotype, the total variance equals the ________________ of the genotypic variance and the environmental variance.
When genetic and environmental effects contribute independently to phenotype, the total variance equals the Sum of the genotypic variance and the environmental variance.
What is genotypic variance ?Genotypic variation, which results from genetic mutation, gene flow, or anything that happened during meiosis, is the variance in genotypes between individuals of the same species or between species.The English biologist and statistician Ronald Fisher introduced the idea of genetic variance in his foundational theorem of natural selection.Phenotype:The term phenotype describes an individual's observable characteristics, such as height, eye color, and blood type. Both a person's genomic make-up (genotype) and environmental circumstances affect their phenotype.
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To be effective at helping the sugar from the blood move into the cells, insulin (which is a protein) should be taken orally sublingually by injection sub-Q (subcutaneously - under the skin), by injection IM (into the muscle).
To be effective at helping the sugar from the blood move into the cells, Insulin should be taken BY INJECTION SUB - Q (SUBCUTANEOUSLY - UNDER THE SKIN) .
Your pancreas secretes the hormone insulin, which regulates the level of glucose in your bloodstream at any given time. It also aids in the storage of glucose in your muscles, fat, and liver. Finally, it controls how proteins, lipids, and carbs are metabolized by your body. Sound significant? That is true, after all.
"Your body cannot produce any fat or store glucose in your muscles or liver without normal insulin activity. An endocrinologist, claims that the fat actually breaks down and creates keto acids among other things. If these acids' concentrations rise too high, a potentially lethal disease known as diabetic ketoacidosis may result from the imbalance. Many diabetics who take insulin inject it into themselves using a syringe. Lines on the outside of the syringe indicate how much medication is in the needle. With the assistance of your doctor, you can select from a variety of syringe sizes.
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