What do you think this is used for?
Answer:
this can be used for many things but most importantly transportation. you can go from place to place much faster than on your feet.
Which feature is found in all cells?
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Fan is electircal energy
Lamp's orignal energy source is electrical energy.
Which of the following is not part of a flower?
a. petal
b. root
C. stamen
d. anther
The correct answer is Option (B) - Root.
It is because roots are the organs of a plant that grows downward into the soil and their primary function is to provide nutrients and take in water through the soil for the faster growth and development of the plant body. Roots are the base of a plant and provide a strong base for the plant above to sustain.
Whereas, Petals, Stamen, and Anther constitute the body of a flower. Petals are the colored parts, and Stamen consists of both Filament and Anther.
Therefore, roots do not bear leaves and are not a part of the body of a flower.
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Unlike other sharks, the whale shark doesn't eat fish or other sharks. What does the whale
shark eat?
Answer:
plankton including copepods, krill, fish eggs, Christmas Island red crab larvae and small nektonic life, such as small squid or fish.
what are body organs?
Answer:
Anything the body needs to function or perform certain functions to maintain i.e being the large and small intestines, the heart, the liver, and your kidneys
Explanation:
NOTICED A DEFINITION NEEDED FIXED ANSWER HOPE HELPED )
Where is blood stored in the spleen?
Answer:
Blood leaves the spleen through the splenic vein, which drains into a larger vein (the portal vein) that carries the blood to the liver. The spleen has a covering of fibrous tissue (the splenic capsule) that supports its blood vessels and lymphatic vessels.
Put the following in order from
Oldest to Youngest
Unicellular Eukaryotes
Multicellular Eukaryotes
Heterotrophic Prokaryotes
Autotrophic Prokaryotes
From an evolutionary point of view prokaryotes preceded eukaryotes. Therefore it can be said that prokaryotes are older than eukaryotes.
Multicellular organisms evolved from the unicellular eukaryotes at least 1.7 billion years ago. Some unicellular eukaryotes form multicellular aggregates that appear to represent an evolutionary transition from single cells to the multicellular organisms.
The first life forms on earth were heterotrophs and atmosphere was reducing. The advent of first autotrophs also however did not immediately make the atmosphere oxidizing
The first life on the Earth began more than 3.8 billion years ago with individual cells that did not contain nuclei known as prokaryotes. These first living cells were heterotrophs meaning that they were dependent on the external nutrition sources
The earliest cells were probably the heterotrophs. Most likely they got their energy from other molecules in organic “soup.” However, by about 3 billion years ago new way of obtaining energy evolved. This new way was the photosynthesis.
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What happens during transcription ?1.) DNA is used as a template to make messenger RNA 2.)RNA is used as a template to make messenger DNA 3.) 2 exact copies of double stranded DNA are made
Answer:
2 exact copies of double stranded DNA are made
Explanation:
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PLZ HURRY GOT A COUPLE MINS
Answer:
second one
Explanation:
I want to compare the price for a brand new Ford F150 (a truck) over the past 5 years. I have monthly estimates on what this car would cost during this time. Which graph should I use to display this data? and why?
A Line graph
B Pie Chart
C Bar Graph
To compare the price of a brand new Ford F150 over the past 5 years, it would be best to use a line graph to display this data. A line graph is a type of chart that uses a line to connect data points plotted on a coordinate plane. Line graphs are useful for showing trends and changes over time, which is exactly what you are trying to do in this case.
Using a line graph to display the price data allows you to see how the price has changed over time and to identify any trends or patterns in the data. You can also use the graph to compare the prices at different points in time and to see how the price has changed from month to month.
Additionally, a line graph is a good choice because it allows you to easily visualize the data and see how the price has changed over time. It is also easy to understand and interpret, making it a good choice for presenting the data to others.
After many years of normal function, a cell begins producing different proteins than it produced before. Propose two different explanations for this change.
Answer:
Explanation:
In order to produce different proteins, mutations must occur in the genetic material of the cell. We distinguish gene and chromosome mutations. Mutations in the level of genes are called point mutations because only one to several nucleotides are changed. These processes are known as deletion, insertion, and substitution. Mutations can also appear in chromosomes altering their number and structure. There are four types of mutations: deletion, duplication, inversion, and translocation.
Cells are the functional unit that has a specific activity to perform. The alteration of the cell function can be due to gene or chromosomal mutations.
What are gene and chromosomal mutations?A change in the sequence of the DNA of the gene causes gene mutation and affects the gene or the part of the DNA of the chromosome. They occur in a single place and are called point mutations.
The point mutation is the alteration, addition, deletion or inversion of the single nucleotide base pair of the gene.
The chromosomal mutation affects the whole chromosome and alters the shape and size of the chromosomes. It leads to the increase or the decrease of the ploidy and structural shape.
Chromosomal mutation can be due to translocation, deletion, inversion and duplication of the chromosomes. Their increase or decrease affects the genome as a whole.
Therefore, alteration of the cell can be due to chromosomal or gene mutation.
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indicate if the following statements are True or False regarding features of Pterophytes.
1. Ferns, horsetails, and whisk ferns produce archegonia and antheridia.
2. The sperm of whisk ferns and horsetails have flagella but fern sperm lack flagella.
3. The non-photosynthetic leaves of horsetails are called fronds.
4. Ferns produce sporangia in structures called sori.
5. Ferns and horsetails have roots, but whisk ferns have lost this trait since diverging from other Pterophyte lineages.
Why the plasma membrane is impermeable to many types of substances?
Answer:
The membrane is selectively permeable because substances do not cross it indiscriminately. Some molecules, such as hydrocarbons and oxygen can cross the membrane. Many large molecules (such as glucose and other sugars) cannot. Water can pass through between the lipids
Explanation:
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what are the main biome elephants are found, an ecosystem and four other types of biomes.
Answer:
Elephants are mainly found in savanna biomes, grassland ecosystems, tropical rainforest biomes, desert biomes, tundra biomes, and temperate deciduous forest biomes.
Explanation:
DNA Sequence CCT CTT TAC ACA CGG AGG GTA CGC TAT TCT ATG ATT ACA CGG TTG CGA TCC ATA ATC
Create an mRNA sequence from the above DNA sequence
mRNA sequences: UGG AGA AAU GUG UGC CUC CCA UGC GAU AAG AUG UGC CAA CGC GUA UUA GUA AUA CUA AUG UGC
What function does mRNA serve in the Covid vaccine?Your cells learn how to produce duplicates of the spike protein from the mRNA in the vaccination. If you later come into contact with the actual virus, your body will be able to detect it and fight it off. The instructions are sent by the mRNA, which is then degraded and eliminated by your cells.
mRNA vaccines: are they better?Many scientists believe that the large amounts of virus-blocking antibodies, known as neutralizing antibodies (nAbs), that the mRNA vaccines produce explain why they are so effective at preventing infection.
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A plant with purple flowers and a plant with white flowers are crossed. Purple flowers are dominant. What are the possible genotypes for each parent?
Answer:
Purple flower - PP or Pp
White flower - pp
What do you think the purpose of the blender was in your DNA extraction experiment?
Blender is used in the DNA extraction experiment. Blender is responsible for the separation of cells. This facilitates DNA extraction.
What is DNA extraction?DNA extraction is the procedure of extraction of DNA from the cell in vitro with the help of chemicals. A blender is used in extraction which separates the cells from each other. This facilitates the process of DNA extraction.
DNA is insoluble in alcohol. Addition of alcohol to the cell mixture isolates the DNA from the mixture, this results in the development of white stringy DNA at the top of the mixture. Blender is alcohol, soap, salt solution and detergent.
The basic principle of DNA isolation is disruption of the cell wall, cell membrane, and nuclear membrane as DNA is present in the nucleus. To release the highly intact DNA into solution it is followed by precipitation of DNA and removal of the contaminating biomolecules.
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How is rose black spots treated?
Answer:
Unless you treat with a highly effective product such as Daconil® fungicide, black spot can move through your garden — and it won't stop at roses. Begin active treatments with Daconil® fungicide at the very first sign of disease to stop black spot and limit its damage.
5. What was Darwin's theory of evolution?
Answer:
Natural selection or "survival of the fittest"
Explanation:
Creatures that adapt to survive changes will live to reproduce, while the creatures that do not adapt will die out.
Darwin states that evolution happens to natural selection, which is the concept that creatures tend to adapt to their environment.
Plz help me well mark brainliest if correct!.
Answer:
C
Explanation:
A is not correct because all living things depend on natural resources
Water and air are not nonrenewable resources, so B is not correct
Forests are renewable since they can be replanted, so D is not correct
So this means C is the only right answer.
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Can one human be diagnosed with all of the following:
BPD (Borderline Personality Disorder)
DID (Dissociative Identity Disorder)
PTSD (Post Traumatic Stress Disorder)
Anorexia
OCD (Obsessive Compulsive Disorder)
ADHD (Attention Deficit Hyperactivity Disorder)
Trichotillomania
GAD (Generalized Anxiety Disorder)
Panic Disorder
MDD (Major Depressive Disorder)
Body Dysmorphia
Insomnia
Yes, a human with BPD (Borderline Personality Disorder) can be diagnosed with all the diseases listed above.
What is BPD (Borderline Personality Disorder) ?An individual's capacity to control their emotions is substantially compromised by a borderline personality disorder, a mental condition.
This breakdown in emotional regulation can make a person more impulsive, have a negative impact on how they feel about themselves, and damage their relationships with other people. It is possible to manage the symptoms of borderline personality disorder using efficient therapy.
Thus, a human with BPD (Borderline Personality Disorder) can be diagnosed with some other diseases, such as DID (Dissociative Identity Disorder), PTSD (Post Traumatic Stress Disorder), Anorexia, OCD (Obsessive Compulsive Disorder), ADHD (Attention Deficit Hyperactivity Disorder), Trichotillomania, GAD (Generalized Anxiety Disorder), Panic Disorder, MDD (Major Depressive Disorder), Body Dysmorphia, Insomnia.
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When the eye ball is too long it produces ____.
a.
nearsightedness
b.
farsightedness
c.
rods
d.
cones
Please select the best answer from the choices pro
Answer:
A. Nearsightedness
Explanation:
Nearsightedness usually occurs when your eyeball is longer than normal or your cornea is curved too steeply. Instead of being focused precisely on your retina, light is focused in front of your retina, resulting in a blurry appearance
Select ALL of the statements that accurately portray the role of natural sélection in antibiotic resistance.
Answer:
C. Some bacteria possess a gene for bacterial resistance. These Bacteria are likely to survive a course or antibiotics and reproduce.
D. Bacteria contianing the gene for antibiotic resistance can share a plasmid of the gene with other bacteria, allowing the population of bacteria with antibiotic resistance to survive and reproduce.
E. When someone quits taking an antibiotic when they are feeling better, they likely kill only the weaker bacteria. The bacteria with a gene for antibiotic resistance survive, giving them the opportunity to reproduce.
Explanation:
Genes that confer resistance to antibiotics provide a selective advantage to organism that are exposed to antibiotics. So, the correct option is B.
What is Antibiotic resistance?Antimicrobial resistance occurs when microbes develop mechanisms that protect them from the effects of antimicrobials, while all classes of microbes can develop resistance. Fungi develop antifungal resistance where as viruses develop antiviral resistance.
Antimicrobial resistance mechanisms is divided into four main categories:
(1) Limiting uptake of a drug
(2) Modifying a drug target
(3) Inactivating a drug
(4) Active drug efflux.
Thus, genes that confer resistance to antibiotics provide a selective advantage to organism that are exposed to antibiotics. So, the correct option is B.
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Select ALL of the statements that accurately portray the role of natural sélection in antibiotic resistance.
Antibiotic resistance is costly problem that leads to loss of life and inflated healthcare costs.Genes that confer resistance to antibiotics provide a selective advantage to organism that are exposed to antibioticsAntibiotic resistance can occur when cells express proteins that actively pump antibiotic molecules out of the cell.Antibiotic resistance is conferred by genetic changes in the genomes of targetted microorganismsGenetics have observed that fruit flies that commonly inherit vestigial wing’s also lobed eyes. Observations such as this have helped to develop the genetic concept known as?
Certain glutamine analogs irreversibly inactivate enzymes that bind glutamine. Identify the nucleotide biosynthetic intermediates (and the enzymes that catalyze the reactions that utilize them) that accumulate in the presence of those compounds. For a given pathway, list your answers in the order of the reactions involved.
Answer:
5-phosphoribosyl-1-pyrophosphate to accumulate, PRPP will accumulate due to the inactivation of the enzyme glutamine-PRPP amidotransferase
Formylglycinamide ribonucleotide (FGAR) will accumulate due to inactivation of the enzyme formylglycinamide ribonucleotide amino transferase.
Xanthylate (XMP) will accumulates because of the inactivation of the GMP synthetase reaction.
Uridine 5'triphosphate (UTP), a nucleotide biosynthetic product as well as an intermediatein the synthesis ofCytidine 5'triphosphate will accumulate due to the inactivation of cytidylate synthetase.
Explanation:
The biosynthesis of nucleotides occurs by means of two pathways: the de novo pathways and the salvage pathways.
The de novo pathways of the synthesis of nucleotides begins with their metabolic precursors which include amino acids, ribose-5-phosphate, carbon (iv) oxide and ammonia.
The salvage pathways reuse the free bases and nucleotides from the breakdown of nucleic acids.
Glutamine analogs that irreversibly inactivate enzymes that bind glutamine will cause accumulation of intermediates in the nucleotide biosynthetic pathways.
Glutamine is used as the amino group donor in the first committed step of de novo synthesis of purine nucleotides. In this step, 5-phosphoribosyl-1-pyrophosphate, (PRPP) is converted to 5-phosphoribosylamine using the amino group of glutamine by the enzyme glutamine-PRPP amidotransferase. Inactivation of this enzyme will cause 5-phosphoribosyl-1-pyrophosphate to accumulate.
In the fourth step of the de novo synthesis of purine nucleotides, inactivation of the enzyme formylglycinamide ribonucleotide amino transferase will cause formylglycinamide ribonucleotide (FGAR) to accumulate.
In the biosynthesis of guanylate from Inosinate, the intermediate xanthylate (XMP) will accumulate due to inactivation of the enzyme xanthylate-glutamine amidotransferase.
In the de novo synthesis of pyrimidine nucleotides, Uridine 5'triphosphate (UTP), a nucleotide biosynthetic oroduct as well as an intermediate of Cytidine 5'triphosphate will accumulate due to the inactivation of cytidylate synthetase.
Carbamoyl phosphate is synthesized by the enzyme carbamoyl phosphate synthetase II using glutamine and bicarbonate and two ATP molecules. However, the other substrates of this enzyme do not accumulate.
Formula
Photosynthesis
Answer:
6CO2 + 6H2O → C6H12O6 + 6O2.
carbon dioxide + water —> glucose + oxygen + water
Explanation:
Please select the word from the list that best fits the definition
help relieve the symptoms of a viral infection
genetic material
active
inactive
vaccines
over-the-counter medications
ability to multiply
Answer: vaccines
Explanation:
Vaccines refer to biological preparation
which helps in the provision of immunity to a certain infectious disease.
Vaccines help relieve the symptoms of a viral infection. Vaccines help in the stimulation of the immune system of a person and this helps in producing immunity to a particular disease, and hence protects the individual from the disease. It should be noted that vaccines are typically given through needle injections.
what are 2 kinds of warm blooded animals
Answer:
Birds and Mammals
Explanation:
Answer:
Any birds or mammals
Like a Falcon and Whale
Which process usually results in offspring that exhibit new genetic variations
Answer:
A
Explanation:
A shows process of fertilization where sperm and egg meet to form zygote which is genetically different than sperm or the egg.