Answer:
Dental formula of a 2 year old child is:- 2 1 2 (I C P ) I::-Incisor C::-Canine P::-Pre molar
A seed was discovered and, when planted, grew to be a large flowering plant.
A seed was discovered and, when planted, grew to be a large flowering plant because it belongs to angiosperm family.
What is angiosperm?Angiosperms are plants that produce flowers and seeds in fruits. They are the largest and most diverse group within the kingdom Plantae having about 300,000 species. Angiosperms represent about 80 percent of all plants.
So we can conclude that a seed was discovered and, when planted, grew to be a large flowering plant because it belongs to angiosperm family.
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The seed belongs to a plant in the angiosperm group.
What are angiosperms?Angiosperms are seed-producing, flowering plants.
Angiosperms are different from gymnosperms in that gymnosperms produce seeds that are not enclosed.
Angiosperms produce seeds that are enclosed in fruits.
Both angiosperms and gymnosperms belong to a group of plants known as Spermatophyta.
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identify two reasons why stress can influence weight gain?
Answer:
1. emotional eating or (stress eating)
2. Stress can cause cortisol which can lead to weight gain.
Explanation:
Answer: Two reasons why stress can influence weight gain:
1) In some cases having too much stress causes many people to eat or do I health things in order to forget about all that stress.
2) Having too much stress upon yourself causing that person’s emotions to change or get all mixed up causing many people to not care about the things that they cared about before due to all the stress that they had before.
*Hopefully this helped at least with a bit. Enjoy your day! ♥️*
In what way could you increase the rate of the reaction as it taking place in image C?
add more enzyme
add more substrate
remove substrate
remove enzymes
remove product
Answer:
Add more enzymes
Explanation:
the purpose of enzymes in nature is to increase the rate of chemical reactions inside an organism
Enzymes increases the rate of a reaction. In the given image, the enzyme molecules are not sufficient to combine with that much substrates thus more enzymes have to be added. Hence option A is correct.
What are enzymes?Enzymes are bio-catalysts which catalyses almost all biological reactions in living organisms. Catalysts are substances which increases the rate of a chemical or biochemical reaction without direct involvement and change by itself.
Catalysts helps to attain equilibrium in a reaction faster by decreasing the activation energy of the reactants. Activation energy is the minimum amount of energy required to overcome the potential barrier in a reaction.
An enzyme have a pocket like cavity into which a substrate places properly. The substrate binds with the cavity and forms an enzyme-substrate complex. This complex then forms a transition compound or an intermediate product which then forms a enzyme-product complex.
Enzyme then release the product. Thus enzymes provide a smooth surface for the reactions to take place. Hence by increasing enzyme amount appropriate to the substrate amount the reaction rate increases.
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Your question is incomplete. But your complete question probably include the uploaded image.
Guinea pigs can produce differect coat colors, white, brown, and mixed white/brown (agouti). THe allele B is codominant with allel W (white coat). Cross an agouti colored Guinea pig with a brown Guinea pig. What are the odds of the offspring; 1/2 homozygous white, 1/2 heterozygous brown; 1/4 homozygous brown, 1/2 heterozygous agouti, 1/4 white; 1/2 heterozygous brown, 1/2 homozygous agouti; 1/2 homozygous brown, 1/2 heterozygous agouti.
In codominance, two alleles can be simultaneously expressed. The correct option is D. 1/2 homozygous brown (BB), 1/2 heterozygous agouti (BW).
What is codominance?Codominance is an inheritable pattern in which two alleles can be simultaneously expressed.
In these situations, heterozygous individuals can express two phenotypes, each of them coded by one allele.
Heterozygous individuals' phenotype is an additive expression of their parents' genes.
In the exposed example, coat color are white, brown and agouti (mixed).
Allele B codes for brownAllele W codes for whiteGenotype PhenotypeBB Brown
WW White
BW Agouti
Cross: Agouti pig with brown pig
Parentals) BW x BB
Gametes) B W B B
Punnett square) B W
B BB BW
B BB BW
F1) 50% of the progeny is expected to be homozygous BB and express brown coat color
50% of the progeny is expected to be heterozygous BW express agouti coat color
The correct option is then option D. 1/2 homozygous brown, 1/2 heterozygous agouti.
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why is the reason a virus can't infect a plant? plants have cells too right? so why?
Virus are able to infect plants therefore the reason a virus can't infect plant is because it's not a plant virus.
What is plant viruses?These are viruses that are capable of infecting plant cells and causing a harmful effects on them. These viruses are however different from animal viruses.
Example of plant viruses include:
Potato virus and Cucumber mosaic virus.Therefore, the reason a virus can't infect plant is because it's not a plant virus.
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A virus can infect a plant, plants also have cells, and specific viruses can infect them.
What are plant viruses?The definition of plant viruses includes all species of the pathogen that must be housed in plant species in order to be able to develop and multiply. Sometimes these viruses can cause disease in their hosts, depending on the health status of the crops.
With this information, we can conclude that all species of the pathogen that must be housed in plant species to be able to develop and multiply are phytoviruses.
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In which organizational level of life does natural selection occur?
A. Tissues
B. Ecosystems
C. Populations
D. Organisms
20 kids in class 1 infected how many will be infected with disease out of 20 kids
Answer:
20:20=x:1
20/20=x/1
20=20x
20/20=20x/20
1=x
Ram gives his dog a piece of bread to eat. The dog picks it up and starts eating. Which of the following organ systems of the dog is active when it eats the bread?
1. digestive system
2.nervous system
3.skeletal system
A. only 1
B. only 1 and 2
C. only 1 and 3
D. all -1, 2 and 3
Answer:
D, all 3.
Explanation:
The nervous system sends a message to the nerves in the dog's bones (which are a part of the skeletal system) to pick up the food. The digestive system breaks down the food.
The organ systems of the dog that is activated when it eats the bread are the digestive, nervous, and skeletal system. Thus, the correct option is D, i.e. all of the above.
What is an Organ System?An organ system may be defined as a cluster of organs that work together to perform specific bodily functions significantly.
When a dog eats bread, the digestive system converts this piece of bread into simpler substances that are absorbed by the small intestine. This is the direct function of the organ system.
Apart from the digestive system, the nervous system sends the message through the impulse to the bones which are part of the skeletal system to grab the nutrients as well as energy for them.
Therefore, the correct for this question is D.
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Match the following.
1. The blending of two traits in a heterozygous individual
multiple alleles
2. Where more than two alternatives for a gene exist
incomplete dominance
Answer:
Multiple Alleles ---> 2.) Where more than two alternatives for a gene exist
Incomplete Dominance ---> 1.) The blending of two traits in a heterozygous individual
Help me with please
Explanation:
carbon and hydrogen .......
A 29-year-old female develops sepsis and, as a consequence, she experiences profound
vasodilation.
a) What effect does vasodilation have on the afterload? Explain why.
b) What effect does vasodilation have on blood pressure? Explain why. How will her body try
to bring her blood pressure back to homeostasis?
Vasodilation have positive effects on the afterload and blood pressure.
What effect does vasodilation have on the afterload?Vasodilation have positive effects on the afterload because afterload goes down when aortic pressure and systemic vascular resistance decreases through vasodilation.
What effect does vasodilation have on blood pressure?Vasodilation is a mechanism which occurs in order to enhance blood flow to areas of the body that are lacking oxygen and nutrients. The vasodilation causes a decrease in systemic vascular resistance (SVR) and an increase in blood flow that results in reducing blood pressure.
How will her body try to bring her blood pressure back to homeostasis?Her body try to bring her blood pressure back to homeostasis by increasing width of the blood vessels.
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2. How are the amino acids formed from the codon in Mutation #2 different from those
formed from the original codon pattern?
The amino acids formed from the codon in the Mutation are different from those formed from the original codon pattern, not because after the mutation the sequencing is changed, giving rise to different codons.
What is a DNA mutation?Mutations are abnormal changes in the DNA of a gene. The building blocks of DNA are called bases. The sequence of these bases determines the gene and its function. Mutations involve changes in the arrangement of the bases that make up a gene.
How many amino acids make up a codon?Degenerate/Redundancy: There are four nitrogenous bases that make up DNA and RNA. They are arranged in triplets, forming codons. Thus, there are 64 different codons that correspond to the twenty amino acids that make up proteins. Therefore, more than one codon corresponds to the same amino acid.
With this information, we can conclude that the amino acids formed from the codon in the Mutation are different from those formed from the original codon pattern, not because after the mutation the sequencing is changed, giving rise to different codons.
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Patient was treated with autologous cd34+ hematopoietic stem and progenitor cells transduced ex Vivo with self inactivating lentiviral vector encoding human ada. I can't understand what it is saying at all.
The technique makes reference to a vector-based gene therapy in which the expression for a gene associated with Adenosine Deaminase Deficiency (ADA) is restored.
What is gene therapy?Gene therapy refers to the genetic engineering methodologies to correct the defective expression of certain genes.
Gene therapy is divided into methods that use viral vectors to incorporate the defective nucleic acid (in this case lentiviral vector) or non-based vectors (e.g. polysomes or polycations).
In conclusion, the technique is a vector-based gene therapy to restore Adenosine Deaminase Deficiency (ADA).
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The most common cause of this electrolyte imbalance is dehydration.
A person may experience an electrolyte imbalance if they get dehydrated or have too much water in their system. Vomiting is the most frequent cause of an electrolyte imbalance. diarrhea.
What function does the electrolyte serve in the body?When dissolved in water, chemicals known as electrolytes acquire a natural positive or negative electrical charge. They support your body's ability to control chemical processes and maintain the proper balance of fluids within and outside of your cells.
During strenuous activity, drink enough of water to prevent electrolyte imbalance. Eat an electrolyte-rich diet that is balanced. Avoid doing any strenuous outdoor exercise when it's hot outside.
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industrialisation and urbanisation cause environmental imbalance why
Answer:
Because industrialization and urbanization often advance in an uncontrolled or unorganized way in developing countries, they can have destructive effects on the environment, particularly on basic ecosystems, wildlife habitat, and global biodiversity.
What is it called when one hormone helps another have its full effect?
Answer:
it is called permissive interaction
Explanation:
Answer:
In endocrinology, permissiveness is a biochemical phenomenon in which the presence of one hormone is required in order for another hormone to exert its full effects on a target cell.How does recombination affect genetic variation in future generations?
Throughout the world countries are dumping their garbage in the oceans. This dumping has affected the fish and other aquatic organisms of the oceans. Many fishing industries have collapsed due to this extensive dumping. Which theory explains this scenario?
The theory that explains this scenario is the tragedy of the commons theory.
What is the tragedy of the common theory?It is an economic theory that explains how individual gains create a general problem in society at large.
When individuals pursue personal gains even at the expense of creating a general problem in society, it results in the tragedy of the common.
Indiscriminate dumping of garbage in the ocean by countries results in a general problem that affects the entire world vis a vis the collapse of many fishing industries.
Fishes represent a source of protein for man all over the world.
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.
What is the first step in transcription?
Complementary bases come in and pair with the old bases.
The original DNA strand is unzipped.
A new sugar-phosphate backbone is constructed.
Bases are proofread.
The first step in transcription is that the original DNA strand is unzipped. That is option B.
what is transcription?Transcription in genetics is defined as a way by which cells produce Ribonucleic acid from an existing Deoxyribonucleic acid sequence.
The first step of transcription is called initiation. This is when signals are sent to the DNA to unwind (unzipped) so the enzyme can read the bases in one of the DNA strands.
Therefore, during the first step in transcription, the original DNA strand is unzipped.
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Why would it be easier for a doctor to tell that someone has a viral infection when the virus is in the
lytic cycle?
Answer:
Diagnosis of Bacterial and Viral Infections
But your doctor may be able to determine the cause by listening to your medical history and doing a physical exam. If necessary, they also can order a blood or urine test to help confirm a diagnosis, or a "culture test" of tissue to identify bacteria or viruses.
Need help doing this table i have to send it tomorrow!
Grey wolf:
1. Kingdom: Animalia.
Phylum: Chordata.
Class: Mammalia.
Order: Carnivora.
Family: Canidae.
Genus: Canis.
Species: Canis lupus
Why do people utilize classification systems?The classification system offers a wealth of knowledge regarding the traits of creatures. Therefore, using a scientific name as a shorthand to describe a plant or animal can be useful.
Coconut:
2. Kingdom: Plantae
Phylum: Magnoliophyta
Class: Liliopsida
Subclass: Arecidae
Order: Arecales
Family: Arecaceae
Genus: Cocos
Subject: Cocos nucifera Linnaeus
Black- blacked jackled
3. Kingdom: Metazoa
Phylum: Chordata
Subphylum: Vertebrata
Class: Mammalia
Order: Carnivora
Suborder: Fissipeda
Family: Canidae
Genus: Canis
Species: Canis mesomelas
Chimpanzee:
Kingdom: Animalia.
Phylum: Chordata.
Class: Mammalia.
Order: Primates.
Family: Hominidae.
Genus: Pan.
Species: Pan troglodytes.
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In a mutualism
A one organism is helped and the other is harmed
B neither organism is helped
C one organism is helped and the other is not harmed
D both organisms are helped
Need this bad.
In a mutualism both organisms are helped. Therefore, option (D) is correct.
Mutualism benefits both creatures. The trade benefits both organisms. Food, shelter, protection, and other services are examples. The partnership helps both creatures survive, reproduce, and thrive. Nature relies on mutualistic ties for ecological balance and ecosystem function.
Mutualism may be seen in pollination, where plants give nectar to pollinators in exchange for pollen, and in animal digestive systems, where mutualistic microorganisms break down food and offer nutrients. Therefore, option (D) is correct.
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his nutrient is cycled between living things and the soil. Plants absorb this nutrient from the soil and turn it into organic compounds through assimilation. Animals eats the plants and pass the nutrient through the food chain from one organism to another. When the animal dies, it decomposes and returns the nutrient back to the soil. The nutrient can also enter the soil through weathering and erosion.
The nutrient is phosphorus
The phosphorus cyclePhosphorus cycles between living components of the earth (biosphere) and the soil (geosphere).
The element's reservoir is mainly the sediments of the ocean and rocks. Phosphorus gets into the soil by weathering of rocks.
Plants are able to pick the element up from the soil and animals are able to get their phosphorus by consuming plants.
When plants and animal die, their body decomposes and the phosphorus in them enters the soil.
Thus, the cycle being referred to in the illustration is the phosphorus cycle.
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Answer:
c,a,b
Explanation:
Lesson 2 Chromosomes and Mitosis
Lesson 2: True or False
Write true if the statement is true or false if the statement is false.
1. A chromatid is made of two identical chromosomes.
2. There may be thousands of genes on a single chromosome.
3. Prophase is the first phase of mitosis.
4. Female human cells have 23 pairs of homologous chromosomes.
5. Mitosis occurs in the following order: prophase - metaphase - telophase-anaphase.
6. The process in which the cell divides is called mitosis.
7. During mitosis, DNA exists as chromatin.
8. A gene contains the instructions to make a protein.
9. Chromosomes form during metaphase.
10. Mitosis is the phase of the eukaryotic cell cycle that occurs between DNA replication and the
second growth phase.
11. Sister chromatids are identical.
12. Chromatids separate during anaphase.
13. Chromosomes are coiled structures made of DNA and proteins.
14. Human cells have 64 chromosomes.
Answer:
1. true
2. true
3. true
4.false
5.true
6. true
7. false
8. true
9. false
10. false
11. true
12. true
13. true
14. false
Jolana wants to know more about the role plants play in the carbon cycle. What can she infer from the diagram below?
A. Plants use carbon dioxide for photosynthesis and give off carbon dioxide when they perform cellular respiration.
B. Plants use sugars and water for photosynthesis and give off oxygen when they perform cellular respiration.
C. Plants take in carbon in the form of minerals through their roots and release it as water in the atmosphere.
D. Plants use oxygen for photosynthesis and give off oxygen when they perform cellular respiration.
I'm not good at this.Can someone solve this?
Answer:
While the adult carp prefer slow moving water, they look for high, fast moving water when laying eggs (spawning). They lay hundreds of thousands of eggs at a time, which means populations grow and spread quickly. Because of this, they can quickly out-compete native species, and put ecosystems in danger.Carp are also thought to lower water quality, which can kill off sensitive organisms like native freshwater mussels.Asian carp cause serious damage to the native fish populations in the lakes and rivers that they infest because they out-compete other fish (video, 1 min) for food and space. Carp are also thought to lower water quality, which can kill off sensitive organisms like native freshwater mussels.Which of the following describes rivers and streams?
A. separated into photic and aphotic zones of still water with large amount of vegetation and fish
B. located between aquatic and terrestrial environments and reduces flooding and filters water
C. filled with running water and don't allow the collection of algae, and are home to small crustaceans
D. collected water that is murky and home to insects, phytoplankton, and burrowing organisms
Filled with running water and do not allow the accumulation of algae, and are home to the small crustaceans that describe rivers and streams. So, the correct option is (C).
What are Wetlands?Wetlands are a type of area where water either completely covers the soil or is present at or near the soil surface throughout the year or at different times throughout the year during the growing season.
Water is cleaned by wetlands as they filter out sediment, other pollutants and even chemical pollutants. Wetland areas act as a filter and processing facility for excess nutrients that may leach away from agricultural and growth sites.
It is also referred to wetlands as the "kidneys of our watersheds". It functions as its own distinct ecosystem.
Thus, filled with running water and do not allow the accumulation of algae, and are home to the small crustaceans that describe rivers and streams. So, the correct option is (C).
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Why do Earth’s crust remain the same size despite sea floor spreading?
A. Older rocks eventually disintegrate on the ocean floor.
B. As new rocks are formed along mid-ocean ridges, older rocks are pushed down deep into the Earth into ocean trenches.
C. Hot magma dissolves all the old rock near the eruption site.
D. None of these choices are correct.
Answer:
B. As new rocks are formed along mid-ocean ridges, older rocks are pushed down deep into the Earth into ocean trenches.
Why is the Earth not getting larger if the sea floor is slowly spreading?Mainly due to the Atlantic experiencing seabed expansion. The sea bottom is subducting, or moving underground, in the Pacific. This is how the Earth's tectonic plates and geological activities function. The top side of the mantle travels to the bottom at one end and to the top at the other, similar to a conveyor belt. This explains why there are volcanoes, why continents drift, and why our planet's surface is continually changing over the span of millions of years.
Therefore, the planet is not getting bigger because its surface is constantly recycling itself.
define wetlands.please give me the answer
Answer:
Wetlands are areas where water covers the soil, or is
present either at or near the surface of the soil all year or
for varying periods of time during the year, including during
the growing season.
land consisting of marshes or swamps; saturated land.
Hello!
Wetlands can be defined as :
[tex]\fbox {Areas where water is present in the soil during all times of the year.}[/tex]
PLEASE HELP!! i need help with this for biology i’m desperate please
As per the demonstration of Griffith and Avery, it can be concluded that the given experiment finding supports hypothesis III, i.e. genetic material or transforming substance is DNA.
What is Genetic material?Genetic material may be defined as any substance found in the cells of plants, animals, microbial or other origins that hold genetic information and that departs it from one generation to the next.
In 1944, Avery and others concluded that the transforming material was pure DNA, not protein or RNA.
These investigators found that DNA extracted from a virulent strain of the bacterium Pneumococcus genetically transformed an avirulent strain of the organism into a virulent form.
Therefore, as per the demonstration of Griffith and Avery, it can be concluded that the given experiment finding supports hypothesis III, i.e. genetic material or transforming substance is DNA.
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