Answer:
Semi-permanent.
Sorry if im wrong
Can you elaborate on the reason disruptions of the cell cycle lead to many types of diseases such as cancer?
Answer:
yes it can
Explanation:
If a checkpoint fails or if a cell suffers physical damage to chromosomes during cell division, or if it suffers a debilitating somatic mutation in a prior S phase, it may selfdestruct in response to a consequent biochemical anomaly.
Tumor suppressors. Negative regulators of the cell cycle may be less active (or even nonfunctional) in cancer cells. For instance, a protein that halts cell cycle progression in response to DNA damage may no longer sense damage or trigger a response.
Glomerular filtration only filters waste out of the blood.
O A.
True
B.
False
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 microorganisms10 time asking because of link spammers.
What are the three parts to a feedback loop?
Select one:
Positive, negative, and neutral pathways.
Receptors, producers, and transmitters.
Stimulus, sensor, and response.
Input, output, and direction of signal.
Answer:
Stimulus, sensor, and response.
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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what are 2 kinds of warm blooded animals
Answer:
Birds and Mammals
Explanation:
Answer:
Any birds or mammals
Like a Falcon and Whale
Formula
Photosynthesis
Answer:
6CO2 + 6H2O → C6H12O6 + 6O2.
carbon dioxide + water —> glucose + oxygen + water
Explanation:
Which feature is found in all cells?
Lub dub sounds represents
Answer:
Notes to the teacher: Lub Dub
There are two sounds heard during each heart beat. These are called Lub-Dub noises by doctors. When the valves between the upper chambers (atria) and lower chambers (ventricles) close, a "lub" sound is heard. ... The heart contains valves which direct the flow of blood in one direction.
Explanation:
pls give me brainless
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.
Plz plz plz help asap
It pulls it Down towards the earth
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.
Hope this helps!
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.
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.
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.
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
The process of change in the living parts of the ecosystem The process of change in the living parts of the ecosystem is called what succession ??
Ecological Succession....
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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.
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 is the purpose of the grooming claw and tooth comb?
Haplorrhini primates use these two features to groom themselves.
Haplorrhini primates use these two features to gather food.
Strepsirrhini primates use these two features to groom themselves.
A species of strepsirrhine that possesses the prosimian monkeys' unique rhinarium, hence option C is correct
Who are Strepsirrhini primates?There are several species in the wild. A species found in the forest is called Strepsirhini.
The term "rhinarium" refers to nose shape. In this region, animals including numerous mammals with external nose openings may be found and hair is not present. In many animals, this is where moisture is produced.
The study of these mammals can occasionally reveal information about their evolution and classification.
Therefore, the purpose of the grooming claw and tooth comb Strepsirrhini primates use these two features to groom themselves.
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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:
hope it helped!
Match the phase described
The cell cycle can be explained as a sequence of events by which a cell duplicates its genome, synthesizes other cell constituents, and eventually divides into two daughter cells.
explanation
The two primary phases of the cell cycle are
1. The interphase It is the phase between two successive M phases. It follows cytokinesis. It is divided into G1, S, and G2 phases.The DNA replication occurs in the S phase of the interphase2. The M phaseThe M phase has four stages
ProphaseMetaphaseAnaphaseTelophaseCytokinesis follows the M phase.
The prophase is the first stage of the M phase. Here, the initiation of condensation of chromosome material takes place. As a result of this, the mitotic spindle is developed. The metaphase is characterized by the complete disintegration of the nuclear envelope. And, the chromosomes move to the spindle equator. In anaphase, two daughter chromatids are formed from the chromosomes. Telophase is characterized by the decondensation of the chromosome material and the formation of two new nuclei (Karyokinesis) and as a result, the mitotic spindle disappearsThe cytokinesis is the last step. Here, the cell gets divided into two daughter cells. In animal cells, it can be achieved by the appearance of a deep furrow in the plasma membrane. However, plant cells require a cell plate as they are enclosed by a cell wall.ConclusionSo, the final answers are,
Interphase - Replication of DNA and follows the cytokinesis.Prophase - Formation of the mitotic spindleTelophase - Mitotic spindle disappears as two new sets of chromosomes arrive at the opposite poles.Cytokinesis - The cell is split into two daughter cells and plants require the formation of a cell plate.On the planet Seltaeb, there is a rare recessive condition known as Hofner Bassis (BB) in the Blue Meanies, a race whose genomes are identical to that of humans. Individuals with this condition can be clearly identified, as they are very musically gifted. The two alleles at this locus are B (the trait allele) and b. If both parents are known to be carriers for the recessive gene, what is the probability that they will have an affected child
Answer:
The probability that they will have an affected child is 25%
Explanation:
Hofner Bassis (BB) is recessive gene and is expressed in an individual who have bb genotype.
Two carrier parents will have genotype = Bb
Bb * Bb
BB, Bb, Bb, bb
The probability that they will have an affected child is 1/4 = 25%
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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Use the terms below to describe the information given in the punnet square.
A. Genotype
B. Phenotype
D. Offspring
C. Allele
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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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.
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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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:
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.