Horsetails and ferns are the closest living relatives to seed plants and are thought to be the closest relatives of seed plants.
A spermatophyte, as known or named at another time or place phanerogam or phaenogam, is a plant that produces sources, therefore the alternative name is seed plant. Spermatophytes are a subdivision of embryophytes or land plants.
The two bigger types of seed plants are the gymnosperms (sources in cones) and angiosperms(sources in ovaries of flowers). Horsetail is generally expended in the form of a beverage, that is created by steeping the drained spice in a jam. It's too feasible in capsule and coloring form. Horsetail is a bush that holds many advantageous compounds, especially antioxidants and silica.
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Based upon what we are learning about invasive lionfish populations in the caribbean and along the atlantic coast of the united states, these lionfish populations __________.
Based upon what we are learning about invasive lionfish populations in the Caribbean and along the Atlantic coast of the united states, these lionfish populations cannot be eradicated using any known methods.
What is lionfish?The Indo-Pacific is home to the venomous marine fish genus Pterois also referred to as lionfish. It is distinguished by vivid warning coloration with red, white, creamy, or black bands, flashy pectoral fins, and venomous, spiky fin rays.
Do lionfish live in the Caribbean and Atlantic?Lionfish populations throughout the Caribbean are depicted in this picture. Today, lionfish can be found living in the warm ocean waters of the wider Atlantic on reefs, wrecks, and other forms of habitat. In the Atlantic, Gulf of Mexico, and Caribbean, lionfish ecosystems are being harmed as they continue to spread at astounding rates.
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glycolysis, which provides energy by breaking down carbohydrates like glucose, relates to activities lasting __________.
a. generally less than 3 minutes
b. 20-30 minutes
c. 3-4 hours
d. all day
Glycolysis, which provides energy by breaking down carbohydrates like glucose, relates to activities lasting Option A. Generally less than 3 minutes.
Glycolysis is a cytoplasmic pathway that breaks down glucose into two 3-carbon compounds and generates electricity. Glucose is trapped through phosphorylation, with the help of the enzyme hexokinase. Adenosine triphosphate (ATP) is used in this reaction and the product, glucose-6-P, inhibits hexokinase.
Carbohydrates, or carbs, are sugar molecules. together with proteins and fat, carbohydrates are one of 3 fundamental vitamins located in food and drink. Your frame breaks down carbohydrates into glucose. Glucose, or blood sugar, is the main supply of power on your body's cells, tissues, and organs.
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Part 2: Based on the following genotypes, determine the phenotype.
6. In humans, tongue rolling is dominant to not being able to roll the tongue.
TT=
Tt=
7. In humans, mid-finger hair is dominant to no mid-finger hair.
HH =
Hh=
8. In humans, cleft chin is dominant to no cleft chin.
Cc =
CC=
ll norrible genotypes.
hh=
сс
The genotype of the child will be rr, which is homozygous recessive based on the genetic cross. As a result, the youngster will be unable to roll their tongue since they lack the dominant allele.
If tongue rolling is dominant, what is the genotype of a tongue roller?A person with the Rr genotype for tongue rolling can roll his or her tongue since the dominant gene that facilitates tongue rolling is present.
The dominant gene, T, controls tongue rolling, whereas the recessive allele, t, controls non-rolling. A -linked gene on the X chromosome controls red-green colour blindness.
As a result, offspring have a 0% probability of having the tongue rolling personality.
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A hormone passing through the body is hydrophobic. What can we conclude about this hormone?
The hormone is water-soluble
The hormone consists of many amines
The hormone consists of many lipids and fats
The hormone is unlikely to travel through the bloodstream
Answer:
Explanation:
Hydrophobic (fat soluble) hormones like the steroid hormones do not attach to surface receptors. They break off from their blood transport proteins and then pass right through the cell and nuclear membranes attaching to receptors near or on specific regions of DNA (genes).
Moist air originates over?
Answer: Oceans
Explanation:
Answer:Maritime air masses, designated by the letter 'm', originate over the oceans and are therefore moist air masses. Each of the two divisions are then divided based upon the temperature content of the surface over which they originate.
Explanation:
Match the following organelles with their specific function.
_______________________
ribosome
mitochondria
chloroplast
lysosome
endoplasmic reticulum
vacuole
Golgi Apparatus
cytoskeleton
_______________________
1. make/assemble proteins
2. packages and processes materials to send
3. an organelle composed of a network for transport in the cell
4. powerhouse/plant or make energy
5. create energy from the sun
6. cleanup
7. storage
8. support and structure
Answer:
picture po plssssssss. para masagutan
When organisms grow, what happens to their cells?
A- the cells continue to get larger
B- they increase in number
C- both a and b
D- neither a nor b
Answer:
B.
Explanation:
whenever a organism grows the cells seperate to make up more room for the organism to keep growing until adulthood to elderly-hood
What is definition of zygote in biology?
In biology, a zygote is a single cell that is formed when a sperm cell fertilizes an egg cell. The zygote is the first cell of a new individual and contains all the genetic information necessary for the development of an organism.
After fertilization, the zygote undergoes a series of cell divisions, called mitosis, and develops into a multicellular embryo. As the embryo develops, cells differentiate and become specialized for specific functions, forming various tissues and organs. The zygote is diploid, meaning it contains two sets of chromosomes, one from each parent. The chromosomes carry genetic information in the form of genes, which determine an individual's physical and biological traits. The zygote is a crucial stage in sexual reproduction, as it combines genetic material from both parents and gives rise to a new individual. In some organisms, such as plants, the zygote can remain dormant for a period of time before developing into a new organism.
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The strains and media used in a bacterial conjugation are described below. After you have reviewed the information, match up the strains with their growth properties. Strains: CS4020: Flac trp/Alacatrp: Leu",Strs (this strain is not able to make its own leucine and is sensitive to Streptomycin: contains a plasmid with genes for making tryptophan and utilizing lactose) CS402R: F. Alacatrp, Stra: Trp, Str" (this strain is not able to make its own tryptophan or utilize lactose and is resistant to Streptomycin) Media: GM glucose minimal salts GMS - glucose minimal salts + streptomycin GML - glucose minimal salts + leucine GMTS - glucose minimal salts + streptomycin + tryptophan Procedure CS402D and CS402R are mixed together in a mating experiment and the F' plasmid is transferred from the donor to the recipient. Recipient bacteria that have taken up the F' factor (called exconjugants) constitute a new strain which has growth requirements that differ from the two "parental strains. We will name this new strain CS402E. Procedure CS402D and CS402R are mixed together in a mating experiment and the F'plasmid is transferred from the donor to the recipient. Recipient bacteria that have taken up the F'factor (called exconjugants) constitute a new strain which has growth requirements that differ from the two "parental" strains. We will name this new strain CS402E. Can grow on GMS CS402D . Can grow on GM CS402D Can grow on GML CS402R Can grow on GMTS CS402E
The strains and media used in a bacterial conjugation are described below. After you have reviewed the information, match up the strains with their growth properties. Strains: CS4020: Fla trp/Alacatrp : Leu", Strs (this strain is not able to make its own leucine and is sensitive to Streptomycin: contains a plasmid with genes for making tryptophan and utilizing lactose)CS402R: F.
Alacatrp, Stra: Trp, Str" (this strain is not able to make its own tryptophan or utilize lactose and is resistant to Streptomycin)Media: GM glucose minimal salts GMS - glucose minimal salts + streptomycin GML - glucose minimal salts + leucine GMTS - glucose minimal salts + streptomycin + tryptophan The recipient bacteria that have taken up the F' factor (called exconjugants) constitute a new strain which has growth requirements that differ from the two "parental" strains. We will name this new strain CS402E. Can grow on GMS CS402D. Can grow on GM CS402D. Can grow on GML CS402R. Can grow on GMTS CS402E.Conjugation is the transfer of genetic material, including DNA and plasmids, between bacteria, resulting in recombinant genetic material and genetic diversity. It's one of the several methods bacteria use to swap genetic material, along with transduction and transformation.
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long term use of high-dosage tetracycline causes cellular damage that mimics mitochondrial disease because choose one:
Due to the ease with which medications like tetracycline denature mitochondrial proteins, prolonged use of large doses of tetracycline results in cellular damage that mimics mitochondrial illness. Hence (a) is the correct option.
Tetracyclines are a family of antibiotics that suppress protein synthesis by blocking the attachment. They were first discovered in the 1940s. MD can lead to diseases that result in deadly tissue destruction and eventual death. The group of ailments known as mitochondrial diseases (MD) is diverse. It's possible to experience nausea, vomiting, diarrhoea, loss of appetite, mouth sores, a tongue covered in black hair, a sore throat, dizziness, headaches, or rectal discomfort. Inform your doctor or chemist as soon as possible if any of these side effects persist or get worse.
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Long term use of high-dosage tetracycline causes cellular damage that mimics mitochondrial disease because:
A. mitochondrial proteins are easily denatured by drugs like tetracycline.
B. mitochondrial ribosomes are susceptible to inhibition by tetracycline.
C. mitochondrial lipid bilayers become leaky due to drugs like tetracycline.
D. the mitochondrial inner membrane is solubilized by tetracycline.
E. mitochondrial DNA is alkylated by drugs like tetracycline.
I need to know the and
d because the andromeda galaxy is a whole other galaxy light years away
a bacterial gene (gene a) ordinarily makes a protein that binds to dna. a mutation of gene a causes an increase in the expression of gene b. we can conclude that
The conclusion of a bacterial gene (gene A) ordinarily makes a protein that binds to DNA and a mutation of gene A causes an increase in the expression of gene B that the protein created by gene A plays a role in repressing gene B expression.
There are several regulatory proteins that can bind to DNA and control gene expression. Gene A creates a protein that binds to DNA in this scenario. However, when gene A is mutated, its protein no longer binds properly, resulting in an increase in the expression of gene B. Therefore, it can be deduced that the protein produced by gene a represses gene b expression. This protein is involved in transcriptional regulation and may function as a transcriptional repressor.
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How would you describe the organisms in the second row of Model 1 that are connected to the parents by a line?
Answer:
They are the offspring of the organisms in the first line.
Explanation:
The children share more DNA with their parents than the grandchildren. Every organism exhibits one or more of the traits of their grandparents.
In a population of goldfish, individuals can be colored orange, white, white with orange spots,
orange with black spots, and orange with white spots. What is the best explanation for these
color differences?
kahit kahit po ayaw mona kana kana aaaa
suppose a chemist develops a new drug that neutralizes the positive charges on the tails of histone proteins. what would be the most likely effect of this new drug on chromatin structure? would this drug have any effect on gene expression? explain your answers.
Such a drug would disrupt the ionic interactions between the histone tails and the phosphate backbone of DNA and thereby cause a loosening of the DNA from the nucleosome.
Exactly what is DNA?The genetic information needed for an organism to develop and function is carried by the molecule called deoxyribonucleic acid. double helix is the structure that DNA takes on when two connected strands loop around one another to resemble an twisted ladder.
What materials makes up DNA?series of chemicals known as nucleotides make up DNA. A sugar group, a phosphate group, and a nitrogen base are all components of each nucleotide. Adenine, Thymine, Guanine and Cytosine are the four nitrogen bases that could be present in DNA. Billions many DNA bases make up human DNA.
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The chart shows a dihybrid cross between pea plants. What are the genotypes of the parents in this cross?
a. RRyy and rrYY
b. RrYy and RrYy
c. RRYY and rryy
d. RrYY and Rryy
In the chart, a dihybrid cross between pea plants is shown. The genotypes of the parents in the given cross are supposed to be RRYY and rryy. Thus, the correct option for this question is C.
What is a Dihybrid cross?A dihybrid cross may be defined as a type of cross that occurs between two individuals with two observed traits that are controlled by two distinct genes. In this mating experiment, two organisms are identically hybrid for two traits.
According to the context of this question, the genotypes of parents are RRYY and rryy. This cross produces all offspring with the genotype RrYy. The F1 generation is further selfed in order to produce the organisms in the phenotypic 9:3:3:1 ratio. In this, 9 are round yellow, 3 are round green, 3 are wrinkled yellow, and 1 is wrinkled green.
Therefore, the genotypes of the parents in the given cross are supposed to be RRYY and rryy. Thus, the correct option for this question is C.
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DNA is composed of sugar, phosphate
and four bases
(A, T,
G, C). During transcription, DNA is made into a molecule of
RNA
which will
travel to the
polymerase
in the
cytoplasm, Here, three bases, called a
codon
will determine will determine what
acid is added to the chain. This chain will fold into a
tertiary
This shape of this molecule determines how it functions.
structure
Changes in the DNA code are called
function properly. A single change in the DNA of the hemoglobin gene will cause cell anemia.
Mutations are the name given to changes in the DNA sequence. Natural occurrences like errors in DNA replication or environmental variables like exposure to radiation or chemicals can result in mutations.
What are changes in the DNA called?Changes in the DNA code are called mutations. Mutations can occur naturally, through errors during DNA replication or environmental factors like exposure to radiation or chemicals. Mutations can also be induced intentionally through genetic engineering.
If a mutation occurs in the hemoglobin gene, it can cause a change in the amino acid sequence of the protein, which can lead to the formation of abnormal hemoglobin molecules. In the case of sickle cell anemia, a single point mutation in the hemoglobin gene causes a change in one amino acid, leading to the production of abnormal hemoglobin molecules that form a sickle shape and can cause blockages in blood vessels. This can lead to a range of health problems, including pain, organ damage, and an increased risk of infections.
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neuron has the following concentrations of sodium and potassium inside and outside and is permeable only to sodium and potassium. if the permeability to potassium is ten times the permeability to sodium, then what is the resting potential?
Across its membrane, there is an electrical potential difference. The resting membrane permeability to potassium is the resting potential.
How are K+ and Na+ concentrations different inside and outside of the cell?Within a cell than outside, K+ is more concentrated. Inside the cell compared to outside, organic anions are more concentrated. Outside of the cell, Cl- is more concentrated than inside. Outside of the cell, Na+ concentration is higher than inside.
What happens when the neuron is stimulated to the concentration of sodium and potassium ions inside the cell?Sodium channels first open as a result of a stimulus. Sodium ions rush into the neuron because there are many more of them on the outside and because the inside of the neuron is negative in comparison to the outside.
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Food is one part of determining your personal carbon footprint. Discuss the ways you can, and can't, change your carbon footprint for food [You might want to go back and look at the questions related to food in your carbon footprint]. Discuss the ways you think the government and/or the food industry should be trying to reduce the food carbon footprint. Identify the steps from farm to plate that contribute to greenhouse gas emissions. You'll need at least 10-12 sentences to fully answer this question.
Food is a significant part of determining your personal carbon footprint. Governments should provide incentives for adopting a plant-based diet, encourage the reduction of packaging waste, and support sustainable food production practices.
The ways you can change your carbon footprint for food include consuming a plant-based diet, eating locally sourced produce, decreasing your food waste, and reducing your packaging waste. On the other hand, the ways you can’t change your carbon footprint for food include consuming animal products in excess, purchasing processed foods, consuming exotic fruits and vegetables, and drinking bottled water.
The government can promote the reduction of meat consumption by providing incentives to consumers for adopting a plant-based diet, encourage the reduction of packaging waste, and support sustainable food production practices. The steps from farm to plate that contribute to greenhouse gas emissions include the use of fossil fuel in farm machinery, transport, and processing, livestock farming, deforestation for land use, and food wastage.
The food industry should ensure environmentally responsible food sourcing, reduction in the use of plastics, and decreasing food waste. Governments should provide incentives for adopting a plant-based diet, encourage the reduction of packaging waste, and support sustainable food production practices.
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What kind of development is common to chordates and echinoderms?deuterostomedorsalnotochord
One common developmental feature shared by chordates and echinoderms is the presence of a deuterostome pattern of embryonic development. Deuterostomes are a major group of animals characterized by a specific mode of early embryonic development.
In both chordates and echinoderms, early embryonic development follows a similar pattern known as radial cleavage. Radial cleavage refers to the cell division that occurs in a symmetrical manner, resulting in daughter cells aligned in a radial pattern. This differs from spiral cleavage, which is observed in protostomes (another major group of animals) and results in an oblique arrangement of cells.
During radial cleavage, the cells divide perpendicularly or parallel to the main axis of the embryo. This type of cleavage generates daughter cells that are aligned in vertical or horizontal planes, forming a radial symmetry. This symmetry is a fundamental characteristic of both chordate and echinoderm embryos.
Furthermore, both chordates and echinoderms exhibit a specific embryonic tissue layer arrangement known as triploblastic development. Triploblastic embryos possess three primary germ layers: the ectoderm, mesoderm, and endoderm. These germ layers give rise to the various tissues and organs in the developing organism.
The similarities in embryonic development between chordates and echinoderms reflect their evolutionary relationship as deuterostomes. They share a common ancestor, and these shared developmental characteristics provide insights into their evolutionary history. Despite their differences in adult morphology and ecological adaptations, the similarities in their embryonic development indicate a common ancestry and evolutionary heritage.
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Accuracy can be measured quantitatively by calculating standard deviationTrue of False
True. Accuracy can be measured quantitatively by calculating standard deviation
Standard deviation is a measure of the dispersion of data values around the mean, which can indicate the accuracy of data. A low standard deviation means that the data values are closely packed around the mean, while a high standard deviation means that the data values are widely spread out, indicating low accuracy. However, it's important to note that standard deviation alone is not always a sufficient measure of accuracy and should be considered in combination with other metrics such as mean absolute error or root mean squared error.
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if retrieval stimuli are missing when you are trying to remember an event, you will most likely experience what?
If retrieval stimuli are missing when you are trying to remember an event, you will most likely experience retrieval failure or forgetting.
Retrieval stimuli, also known as retrieval cues or cues, are external or internal cues that help trigger the retrieval of stored information from memory. They can be specific details, contextual information, emotions, or any other associated cues that aid in recalling a particular memory.
When retrieval cues are absent or insufficient, it becomes difficult to access the desired information from memory. This phenomenon is known as retrieval failure. In this case, you may experience a temporary inability to remember or recall the event, despite the information being stored in your memory.
Examples of retrieval failure include tip-of-the-tongue states, where you know that you know the information but cannot retrieve it at the moment, or the feeling of having a memory "on the tip of your tongue."
In summary, when retrieval stimuli are missing, you are likely to experience retrieval failure, making it challenging to retrieve and recall the desired information from memory.
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5 points Which of the following statements about natural selection is not true
Which statement best describes the purpose of Earth's spheres?
Answer:
false
Explanation:
because it can't be on the purpose of the earth spheres
Answer:
True
Explanation:
i think that it is right
Hope this helps
:D :D :D
in order to study our genes, scientists must first extract the dna from human tissue. would you expect the method of dna extraction to be the same for human dna? why or why not?
We would expect the method of DNA extraction to differ for human DNA as compared to other DNA as the methods and tools utilized for extraction differ for different organisms.
Extraction of DNA is a procedure used to extract DNA from the nucleus of cells in biological samples such as blood, bones, and tissue.
There are various DNA extraction protocols that have been developed and adapted over the years in order to maximize DNA yield and quality, as well as reduce the presence of contaminants that may interfere with downstream applications.
There are different methods for extracting DNA from cells or tissues, but the general process is the same. Cells are broken down by mechanical, chemical, or enzymatic means in order to release DNA, which is then separated from the other cell components using specialized techniques such as centrifugation or filtration.
Once the DNA has been purified, it can be used in a variety of applications such as PCR, sequencing, or genotyping.It is important to use the correct DNA extraction method for the particular organism being studied, as well as the type of sample being used.
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What is the renewability of nuclear power?
It is a nonrenewable energy source.
It can use the same fuel cells repeatedly.
It is an unlimited, clean energy source.
It can be replenished, but not by fusion.
Answer: A
Explanation:
Answer: It can be replenished, but not by fusion.
Explanation:
Some unicellular eukaryotes called what contain chloroplasts?
Answer:
Cell as an organism
Some unicellular eukaryotes, called , contain chloroplasts. Yeasts are unicellular , which are eukaryotes. Other unicellular eukaryotes include and algae.
Explanation:
Determine the complementary RNA and the amino acids
Explanation:
this is your answer I hope so it is helpful for you
Are all the organisms on the earth today can be identified? One word answer grade six science Question
Answer:
No
Explanation:
Not all the organisms on the earth today can be identified.
There are still several species of plants and animals that are yet to be identified by humans. New species are being discovered virtually every day and Taxonomixts are working continuously to name and place these unknown species in already established categories of organisms.
All stars
reflect light from the sun.
b. appear to wander off their star paths.
a.
c. produce their own light.
d. All of the above.
Answer:
option c. produce their own light.