Answer:
Circulatory and Urinary. Unsure of third one.
Explanation:
The run off of which of these can result in cultural eutrophication
sulfur and dihydrogen monoxide
How do heterotrophs get their source of glucose?
Answer:
By consuming plants and animals.
Explanation:
Since plants are autotrophs, they absorb the sun's energy through photosynthesis and make glucose. herbivores (plant eating heterotrophs) then consume these plants and gain energy from the glucose and further up the food chain carnivores consume herbivores and also gain a bit of glucose from them.
in comparing two species that look different, how could a comparison of the species genes contribute to an understanding of their evolutionary relationship? this is a written response pls help:(
Answer:
The more similar the base sequence of the DNA (their genes), the more closely related they will be!
Explanation:
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Answer:a or b not sure
Explanation:
Why a stent is used in the treatment of atherosclerosis in a coronary artery
The stent holds open the narrowed arteries to allow adequate blood to flow to the heart.
You are a pediatrician and have determined that a young patient is at risk for rickets. Outline
a treatment you would recommend to the child's parents and why you recommend that
course of action.
Answer:
The correct answer is - to get enough vitamin D.
Explanation:
Rickets is a condition that causes softening and weakening of the bones due to prolonged vitamin D deficiency. It takes place more in the children compared to adults.
This can be treated by incorporating Vitamin D rich foods into the diet and get vitamin D from sunlight. Sunlight helps in developing Vitamin D naturally. The patient should go outside and eat beef liver, fatty tuna, and other food rich in vitamin D and should take vitamin D supplements.
The process that uses carbon dioxide and
water to make glucose and oxygen is called:
A) photosynthesis
B) cellular respiration
C) all of the above
D) none of the above
Answer:
A
Explanation:
Plants use carbon dioxide taken from the environment and water from the soil to carry out photosynthesis and the products are glucose and oxygen.
Because the genetic code is non-overlapping, a missense mutation (from a single nucleotide change) results in the alteration of ___________, and the resulting protein has _____________.
Answer:
only one codon; a single amino acid change
Explanation:
The genetic code is a set of nearly universal rules by which living cells direct the translation of the information encoded in genetic material (either DNA or RNA) into amino acids. The messenger RNA (mRNA) sequence obtained from the process of transcription consists of triplets of nucleotides or 'codons' which are used to code for all the 20 essential amino acids during translation. The genetic code is not overlapping because each letter contained in the genetic material (i.e., each nucleotide) cannot be used for two different codons. In consequence, a single substitution (mutation) in the nucleotide sequence can change only one codon, thereby changing only one amino acid in the polypeptide chain.
During the process of cellular respiration, eagerly is stored in the glucose molecule is used to form
Answer:
Specifically, during cellular respiration, the energy stored in glucose is transferred to ATP (Figure below). ATP, or adenosine triphosphate, is chemical energy the cell can use. It is the molecule that provides energy for your cells to perform work, such as moving your muscles as you walk down the street.
Explanation:
It is recommended that children eat foods high in calcium and iron as a way to reduce the accumulation of lead in their cells and enzymes. Explain why this is a scientifically valid recommendation.
Genetic variation _____. Group of answer choices is created by the direct action of natural selection always arises in response to changes in the environment must be present in a population before natural selection can act upon the population tends to be reduced when diploid organisms produce gametes
Answer:
It must be present in a population before natural selection can act upon the population.
Explanation:
Genetic variation refers to the variations that exists in the DNA of the individuals. These variations are caused mainly by mutation and genetic recombination of the DNA. It helps in the process of evolution. Genetic variations helps in building the mechanisms of change that helps in the process of evolution. Genetic variation is caused highly because of process of sexual reproduction. The offspring exhibit various genetic variation.
Which of the following is NOT a
piece of evidence that Darwin
used to support his theory of
evolution?
A. fossil record
B. similarities among different species
C. the amount of shared DNA between species
Fossil record is not a piece of evidence that Darwin used to support his theory of evolution.
What is the theory of evolution?Evolution is the process of change in all forms of life over generations, and evolutionary biology is the study of how evolution occurs. Biological populations evolve through genetic changes that correspond to changes in the organisms' observable traits.
Darwin proposed that species can change over time, that new species come from pre-existing species, and that all species share a common ancestor. In this model, each species has its own unique set of heritable (genetic) differences from the common ancestor.
The current evolutionary theories can be categorized as Darwinism and Lamarckism. Charles Darwin theorized Darwinism. He explained his theory of natural selection in his book, On the Origin of Species.
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Answer:A.fossil record
Explanation:
In addition to the moon, artificial satellites also orbit Earth.
Which factor(s) must be taken into account to ensure that a
satellite keeps orbiting Earth rather than falling back to
Earth's surface?
Answer:
»Maximum escape velocity to keep them in the orbit.
»They should have a mass not greater than that of the earth.
Explain why an observer in New York State sees some different constellations in the night sky when Earth is at location A compared to when Earth is at location C.
Answer:
The Earth is Rotating to another location and shownig different groups of Stars
Explanation:
An observer in New York State sees some different constellations in the night sky when Earth is at location A compared to when Earth is at location C because of the continuous rotation of the earth on its axis.
What do you mean by Constellation?A constellation may be defined as a collection of stars that significantly form a recognizable and identifiable pattern in the sky mostly in the nighttime. These collections of stars are traditionally named after their apparent form or identified with a mythological figure.
According to the context of this question, when an observer in New York State sees some different constellations in the night sky when the earth is at location A, but the visualization by an observer may change when the earth is located at location C, this is because of the gradual and continuous rotation of the earth on its axis.
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Assume that the sequence of bases in one strand of DNA molecule is a GACTTACGTACC what is the sequence of complementary bases in the other strand of DNA during DNA replication
What is an organism made of one cell called
Answer:
Unicellular organisms
Explanation:
What are 2 similarities and 2 differences between photosynthesis and cellular respiration?
Answer:
Photosynthesis and respiration are biological reactions that complement each other in the environment. Both photosynthesis and cellular respiration cannot occur without the other. However, there are differences between photosynthesis vs. cellular respiration. Photosynthesis involves the use of energy from sunlight, water, and carbon dioxide to produce glucose and oxygen, whereas cellular respiration uses glucose and oxygen to produce carbon dioxide and water.
Respiration and photosynthesis are biological reactions in the environment that complement each other. Both are similar reactions that occur in a specific manner. In the process of respiration, oxygen and glucose yield water and carbon dioxide, while carbon dioxide and water yield glucose and oxygen during the process of photosynthesis.
Explanation:
Cellular Respiration
Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate (ATP), and then release waste products. The reactions involved in respiration are catabolic reactions, which break large molecules into smaller ones, releasing energy because weak high-energy bonds, in particular in molecular oxygen, are replaced by stronger bonds in the products. Respiration is one of the key ways a cell releases chemical energy to fuel cellular activity. The overall reaction occurs in a series of biochemical steps, some of which are redox reactions. Although cellular respiration is technically a combustion reaction, it clearly does not resemble one when it occurs in a living cell because of the slow, controlled release of energy from the series of reactions.
in garden peas, yellow seeds (y) are dominant to green seeds (y), and inflated pods (i) are dominant to constricted pods (i). suppose you have crossed yyii parents with yyii parents. draw the f1 punnett square and predict the expected f1 phenotype(s). list the genotype(s) of gametes produced by f1 individuals. draw the f2 punnett square. based on this punnett square, predict the expected phenotype(s) in the f2 generation and the expected frequency of each phenotype.
Complete question:
In garden peas, yellow seeds (Y) are dominant to green seeds (y), and inflated pods (I) are dominant to constricted pods (i).
Suppose you have crossed YYII parents with yyii parents.
Draw the F1 Punnett square and predict the expected F1 phenotype(s). List the genotype(s) of gametes produced by F1 individuals. Draw the F2 Punnett square. Based on this Punnett square, predict the expected phenotype(s) in the F2 generation and the expected frequency of each phenotype.Answer:
F1 phenotype ⇒ 100% plants heterozygous for both traits, expressing yellow seeds and inflated pods, YyIi. F1 gametes ⇒ YI, Yi, yI, yiF2 Phenotype ⇒ 9/16 are expected to be plants with yellow seeds and inflated pods, Y-I-3/16 are expected to be plants with yellow seeds and constricted pods, Y-ii3/16 are expected to be plants with green seeds and inflated pods, yyI-1/16 are expected to be plants with green seeds and constricted pods, yyiiExplanation:
Available data:
yellow seeds (Y) are dominant to green seeds (y) inflated pods (I) are dominant to constricted pods (i)1st Cross:
Parentals) YYII x yyii
Gametes) YI, YI, YI, YI yi, yi, yi, yi
Punnett square) YI YI YI YI
yi YyIi YyIi YyIi YyIi
yi YyIi YyIi YyIi YyIi
yi YyIi YyIi YyIi YyIi
yi YyIi YyIi YyIi YyIi
F1) 100% of the progeny is expected to be heterozygous for both traits, expressing yellow seeds and inflated pods, YyIi.
2nd Cross:
Parentals) YyIi x YyIi
Gametes) YI, Yi, yI, yi YI, Yi, yI, yi
Punnett square) YI Yi yI yi
YI YYII YYIi YyII YyIi
Yi YYIi YYii YyIi Yyii
yI YyII YyIi yyII yyIi
yi YyIi Yyii yyIi yyii
F2) Genotype
1/16 are expected to be YYII2/16 are expected to be YYIi1/16 are expected to be YYii2/16 are expected to be YyII4/16 are expected to be YyIi2/16 are expected to be Yyii1/16 are expected to be yyII2/16 are expected to be yyIi1/16 are expected to be yyiiPhenotype
9/16 are expected to be plants with yellow seeds and inflated pods, Y-I-3/16 are expected to be plants with yellow seeds and constricted pods, Y-ii3/16 are expected to be plants with green seeds and inflated pods, yyI-1/16 are expected to be plants with green seeds and constricted pods, yyiiHere we've got a condition, in which an inexperienced pea has traits that include the colour of the seed, and the nature of the pod, wherein the Yellow colour seed (Y) is dominant over the inexperienced colour seed (y), and the inflate pods (I) is dominant over the constricted pods (i).
When we make a pass among true-breeding mother and father having yellow colour seed, and inflated pods with true-breeding determine have inexperienced colour seed and constricted pods, then withinside the F1 technology we get -
The genotype of a true-breeding determines having a yellow colour seed, and inflated pOds=YY||.The genotype of a true-breeding determined to have inexperienced colour seed and constricted pods = yyii.A pass among YYII (Yellow, inflated) x yyii (Green, constricted).Gametes are made out of a mother and father having genotype YY|I=YI.Gametes are made out of a mother and father having genotype i = Yi.1st cross :
Parental YYII x yyii
Gametwes YI,YI,YI,YI yi,yi,yi,yi
Punnet square YI YI YI YI
yi YyIi YyIi YyIi YyIi
yi YyIi YyIi YyIi YyIi
yi YyIi YyIi YyIi YyIi
yi YyIi YyIi YyIi YyIi
100% pure progeny is obtained.
2nd cross :
Parents : YyIi x YyIi
Gametes: YI, Yi, yI, yi YI, Yi, yI, yi
F2) Genotype ratios :
1/16 are anticipated to be YYII 2/16 are anticipated to be YYli1/16 are anticipated to be YYii2/16 are anticipated to be Yyll 4/16 are anticipated to be Yyli2/16 are anticipated to be Yyii 1/16 are anticipated to be yyll2/16 are anticipated to be yyli 1/16 are anticipated to be yyiiPhenotype ratio :
9/16 are anticipated to be vegetation with yellow seeds and inflated pods, Y-I3/16 are anticipated to be vegetation with yellow seeds and constricted pods, Y-ii.3/16 are anticipated to be vegetation with inexperienced seeds and inflated pods, yyli1/16 are anticipated to be vegetation with inexperienced seeds and constricted pods, yyii.What is dominant ?Dominant is over the receive and thus it is the dominant character. Its include and genotypes for example red colour of flowers are dominant over white.
Thus it is clear that the above explanations are true.
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True or False: Herbivores would be able to survive without the sun
True
False
Answer:
false. herbivores depend on the sun because the plants depend on the sun. the plants would not be able to survive without the sun, therefore neither would the herbivores.
Explanation:
Answer:
For how long?
If you are talking about a short while then yes
but if you are talking about years then no
Explanation:
plants need sunlight for photosynthesis, therefore if the sun disappeared, then plants will slowly die out, increasing competition in herbivores and slowly starving them
Describe the trophic levels in a community
what is a chromosome made of
Answer:
Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA)
Explanation:
. Passed from parents to offspring, DNA contains the specific instructions that make each type of living creature unique. The term chromosome comes from the Greek words for color (chroma) and body (soma).
Explanation:
water moving along the ground, into and including rivers
and streams.
is it
Transpiration
Infiltration
Percolation
Surface runoff
Answer:
surface runoff is the answer
HELP A BROTHER OUT PLEASE
Answer:
A
Explanation:
I believe its a if I’m wrong plz do tell me! :D
Answer:
I think the answer is A
Explanation:
because the mitochondria is the power station of the cell and its energy produce within the mitochondrian is used for the metabolic activities of the cell
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What do you think? Are polar bears doomed to go extinct or do you think they will survive?
Answer:
Polar bears will go extinct by the end of the 21st century.
Explanation:
Polar bears live at the North Pole. Due to global warming, the ice at the poles is melting at an alarming rate. Soon there won't be any glaciers. Without the ice Polar bears will lose their home. The climate on Earth is becoming warmer day by day. So even if the Polar bears survive they will not be able to adapt to the warmer climate. Thus leading to their extinction.
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2. Which of the following statements is true?
D
A Cells don't need nutrients.
B Chloroplasts contain a cell's
genetic material.
C Cells grow and reproduce.
All nonliving things are made
of cells.
D
Answer:
Option C
Cells grow and reproduce
Describe what a sustainable ecosystem looks like with a real-life example
Answer:
The Appalachian Region in the southwestern United States, which is one of the most richly biodiverse regions in the world. Overall, cities that recycle & reuse basically exist in harmony with the surrounding environments are also considered sustainable ecosystems. A sustainable ecosystem is one where even when things are taken, nature still has enough to function and the ecosystem/area is healthy. But dealing with domestic, industrial, & agricultural waste is a growing environmental issue. That is NOT a sustainable ecosystem.
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What happens to the light intensity as you adjust the diaphragm? Explain your answer.
"Speaking of fossil fuels; the chart above shows the common uses for which fossil fuel?"*
Petroleum
Coal
Natural Gas
Nuclear
Answer:
coal
Explanation:
I need 20 characters so Im typing this in hope of filling the space
The blue cell in the cartoon would be classified as what type of cell?
A. prokaryotic
B. eukaryotic
Answer:
The blue cell in the cartooon would be calssified as prokaryotic.
The blue cell in the cartoon would be classified as prokaryotic cell.
What are the difference between of prokaryotic cell and eukaryotic cell ?Prokaryotic cell are single celled organism, its size varies from 0.2 μm – 2.0 μm while eukaryotic cell are multi-cellular organism and its size ranges from 10 μm – 100 μm in diameter.
Cell wall is present in prokaryotes but plant cell as an eukaryotic cell have cell wall; in Prokaryotes True Nucleus is absent while in eukaryotes true nucleus is present.
In prokaryotes Ribosomes are Smaller in size having 70s type, spherical in shape while in eukaryotes ribosomes are larger in size, 80s type and linear shaped in structure.
Circular type of DNA present in prokaryotes where as in eukaryotes DNA is Linear in shape; Mitochondria is absent in prokaryotes where as it is present in eukaryotes.
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