A good conclusion restates the hypothesis so that the reader

Answer:

B  

Explanation:

Answer:

earthquake (i think)

Explanation:

Answer:

A. By noting that biofuels come from vegetables such as corn and sugar beet.

Explanation:

The author claims that biofuels are a good replacement for fossil fuels in the vehicles because it produced less carbondioxide gas as compared to fossil fuels. The biofuels also produced pollution but less as compared to fossil fuel. This biofuel is extracted in the form of Bioethanol which is a type of alcohol made by fermentation process of starch crops such as corn, sugarcane, or sweet sorghum. This biofuel made from biological materials that decrease the production of carbondioxide gas.

Today, around 42 percent of global electricity production is based on coal. Two major impacts from extracting and burning coal are: Burning coal produces noxious fumes that pollute the skies and contribute to climate change. Coal mining often involves environmental disruption as land is poked and prodded, vegetation is destroyed, and waste material pollutes the soil and water. Both A and B are two major impacts from extracting and burning coal.

Explanation: Coal is a combustible black or brownish-black sedimentary rock, and the world's most plentiful fossil fuel. Coal is made up of carbon, hydrogen, and oxygen, as well as smaller amounts of sulphur and other elements. The carbon in coal, when burned, produces energy in the form of heat and light.

Today, around 42 percent of global electricity production is based on coal. There are two major impacts from extracting and burning coal which are discussed below: A. Burning coal produces noxious fumes that pollute the skies and contribute to climate change. Burning coal emits noxious fumes that contribute to air pollution and climate change. Nitrogen oxide (NOx), sulfur dioxide (SO2), and particulate matter (PM) are some of the dangerous pollutants produced by coal combustion. The sulfur dioxide and nitrogen oxide released by coal combustion can cause acid rain, which has harmful effects on plants, soils, and bodies of water. Burning coal is also a significant contributor to greenhouse gas emissions, accounting for around one-third of total energy-related carbon dioxide emissions worldwide B. Coal mining often involves environmental disruption as land is poked and prodded, vegetation is destroyed, and waste material pollutes the soil and water. Extracting coal from the earth is a harmful process that causes environmental damage.

Coal mining can result in the loss of habitats for animals and plants, as well as the contamination of nearby soil and water sources. Acid mine drainage (AMD) is a typical problem associated with coal mining. AMD is a toxic byproduct of coal mining that contaminates water and kills fish, insects, and other aquatic life. Coal mining also degrades the quality of the surrounding landscape, which can have significant environmental and economic effects.

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Answer: Multiple types of evidence support the theory of evolution: Homologous structures provide evidence for common ancestry, while analogous structures show that similar selective pressures can produce similar adaptations (beneficial features).

Explanation:

From the given results, it can be concluded that red color and small size are dominant to white color and large size, respectively.

The F1 generation consists of 75 plants with small red flowers and 72 plants with small white flowers. This indicates that the traits for flower color and flower size segregate independently and are controlled by different genes. Since there is a presence of both red and white flowers in the F1 generation, with red being the dominant color, it can be inferred that red color is dominant over white color.

Similarly, since there is a presence of both small and large flowers in the F1 generation, with small being the dominant size, it can be concluded that small size is dominant over large size. Therefore, the correct answer is b. Red color and small size are dominant to white color and large size, respectively.

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Answer:

you could literally just look them up

1. Deoxyribonucleic Acid

2. In biology, a gene is a basic unit of heredity and a sequence of nucleotides in DNA or RNA that encodes the synthesis of a gene product, either RNA or protein. During gene expression, the DNA is first copied into RNA.

3. nucleus

Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA).

4. As described above, DNA can be found in three organelles: the nucleus, mitochondrion, and chloroplast. Only eukaryotes have a nucleus, which is a large structure that's surrounded by a membrane. Nuclear DNA comes in the form of long, linear pieces of DNA called chromosomes.

The statement that is not an example of evidence that supports the theory of evolution is fossils of the same species found in diverse geographic locations.

Evolution may be defined as a gradual and continuous process that runs over many generations, during which species of animals, plants, or insects slowly change some of their physical characteristics.

Common genetic ancestors may be diverse into the number of other species due to the theory of evolution. Unnecessary or non-functional organs may be eliminated or shortened due to evolution.

Therefore, the statement that is not an example of evidence that supports the theory of evolution is fossils of the same species found in diverse geographic locations.

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Answer: Human use of land has negative impacts. Human activities contribute to the erosion and pollution of beaches. ... More of the rainwater runs off leading to increased erosion and drier soil. Deforestation of land can also lead to desertification and a loss of biodiversity.

Explanation:

Answer:

Direct counting methods include microscopic counts using a hemocytometer or a counting chamber. The hemocytometer works by creating a volumetric grid divided into differently sized cubes for accurately counting the number of particles in a cube and calculating the concentration of the entire sample.

Explanation:

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Chlamydomonas reinhardtii is a unicellular green alga that belongs to the Chlorophyta division. It is widely used as a model organism for studying various biological processes, including photosynthesis, flagellar motility, and cellular responses to environmental changes.

a. Experiment to Compare Chemotrophic and Phototrophic Growth of C. reinhardtii:

1. Experimental Setup:

2. Phototrophic Growth Conditions:

3. Chemotrophic Growth Conditions:

b. Controls:

c. Replicates:

d. Graphical illustration of results:

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Answer:

Gene expression in all organisms depends on protein synthesis. What is the last stage in protein synthesis, in which amino acids are assembled by tRNA? translation. The steps in proteins synthesis are identical in all six organisms.

A trait that does not offer members of a population a great advantage will most likely decrease in frequency in successive generations. Thus, option B is correct.

According to Charles Darwin in his theory of natural selection, organisms must compete for scarce resources. Only the fittest can survive. The fittest are organisms that have undergone the required genetic changes that increases their chances of survival. They pass on these genetic changes to the next generation or offspring.

When availability of food decreases, organisms begin to change genetically as they struggle for scarce resources thereby leading to variation in a population. All organisms must compete for survival. Natural selection continues to occur even today.When organisms struggle to survive, they usually mutate to increase chances of reproduction.

Therefore, A trait that does not offer members of a population a great advantage will most likely decrease in frequency in successive generations. Thus, option B is correct.

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Answer:

ATP and NADPH

Explanation:

Photosynthesis starts out using the energy from sunlight to get things started, but it ends with the dark reactions, which don't need sunshine to complete sugar production. In the Calvin cycle, ATP and NADPH from the light reactions are used to produce sugars.  

So, the correct option is, 'ATP and NADPH'.

Answer:

D

Explanation:

D is a combination of all three options above, and ALL those steps need to be done, so it is D.

If you are ever stuck on a problem and cannot receive help, usually the answer that is "all above" right, but not always.

Answer:

oxygen

Explanation:

Answer:

The two processes are similar in that they both produce energy, but in two different forms.

Explanation:

They both provide each other with the necessary ingredients for the process to take place: glucose and oxygen for cellular respiration, carbon dioxide and water for photosynthesis.

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Mrs. H's respiratory rate will increase and the oxygen concentration in her blood will decrease if she breathes half as deeply but twice as often. This will lead to respiratory distress and may even result in fainting.

Breathing is the exchange of air between the atmosphere and the lungs. This process is critical since it allows the body to take in oxygen and get rid of carbon dioxide. The respiratory rate is the number of breaths taken in a minute. It can be affected by various factors such as exercise, anxiety, and illness. The volume of air inhaled and exhaled during each breath is known as  respiratory ratevolume. When Mrs. H breathes half as deeply but twice as often, her respiratory rate will increase, while the tidal volume will decrease. This leads to respiratory distress since the oxygen concentration in her blood will decrease. As a result, the body may respond by hyperventilating, which can cause fainting if prolonged.

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No, disruptive selection does not always have to be happening for speciation to occur.

Speciation refers to the formation of new species, which involves the evolution of reproductive isolation between populations.

While disruptive selection can contribute to speciation, there are other mechanisms that can also lead to the formation of new species.

Disruptive selection occurs when natural selection favors extreme phenotypes over intermediate phenotypes, leading to a divergence in the population.

This can create distinct ecological niches or habitats for different phenotypes, potentially driving speciation.

However, disruptive selection is just one of several processes that can contribute to reproductive isolation and speciation.

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Ethanol are required to supply US transportation demand is approximately  1.41 trillion liters.

To determine how many liters of ethanol are required to supply US transportation demand, we need to know the total energy demand for transportation in the US. According to the US Energy Information Administration (EIA), the total energy consumption for transportation in the US in 2019 was 28.1 quadrillion British thermal units (Btu).

To convert Btu to GJ, we need to multiply by 1.055. Therefore, the total energy consumption for transportation in the US in 2019 was 29.6 quadrillion GJ. To determine the volume of ethanol required to supply this demand, we can use the following formula:

Volume of ethanol = Total energy demand / Energy density of ethanol

Substituting the values we have, we get:

Volume of ethanol = 29.6 quadrillion GJ / 0.021 GJ/L
Volume of ethanol = 1.41 trillion liters

Therefore, approximately 1.41 trillion liters of ethanol would be required to supply US transportation demand based on the given energy density of ethanol. It's worth noting that this calculation assumes that ethanol would be the only fuel source for transportation in the US, which is not currently the case.

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The mRNAseg and microarray approaches share several characteristics. It is not true with mRNAseq, however, that the approach analyses the relative number of each transcript in the sample statements. Hence (e) is the correct option.

The same set of samples were used to compare data sets from the RNA-Seq and Affymetrix platforms, and the results revealed a strong association between genes. A microarray is a laboratory technique used to simultaneously measure the expression of thousands of genes. A known DNA sequence or gene is contained in each of the thousands of small dots that are printed on microscope slides in certain locations. These slides are called DNA microarrays.

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There are a number of similarities between microarray and mRNAseg methods. However, which of the following statements is not true of mRNAseq?

a. The method requires cDNA synthesis.

b. The method reports on the transcriptome.

c. The method identifies which exons of a gene are expressed.

d. The method requires a complementary probe.

e. The method measures the relative number of each transcript in the sample

The statement that phosphatases remove the phosphate from GTP on GTP binding proteins is a false statement.

What are GTP-binding proteins?

GTP-binding proteins are a family of membrane-associated proteins that play a critical role in signal transduction. The family of GTP-binding proteins is divided into three subfamilies: (i) monomeric GTPases, (ii) heterotrimeric G proteins, and (iii) dynamin.

How do GTPases work?

GTPases act as molecular switches that are turned on by exchanging GDP (guanosine diphosphate) for GTP (guanosine triphosphate). The activation of GTPase results in the binding of GTP to the protein, leading to a conformational change that enables it to interact with downstream effectors, resulting in a specific cellular response.

The GTPase cycle ends with the hydrolysis of GTP to GDP, which is facilitated by GTPase activating proteins (GAPs). This converts the GTPase back to its inactive form, allowing the protein to be used in another signaling event.

The removal of phosphate from GTP on GTP-binding proteins is accomplished by GTPase-activating proteins (GAPs). This is not performed by phosphatases. As a result, the given statement is false.

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  Yes, there are several bones in the human body that exist as pairs, with one bone on the left side and its counterpart on the right side. These bones are part of the axial and appendicular skeleton.

  The bones that exist as pairs on the left and right sides of the human body include the following:

1. Clavicles (Collarbones): The clavicles are slender, S-shaped bones that connect the sternum (breastbone) to the shoulder blades on each side.

2. Scapulae (Shoulder Blades): The scapulae are triangular-shaped bones located on the upper back. There is a left scapula and a right scapula.

3. Humeri: The humeri are long bones that form the upper arm. There is a left humerus and a right humerus.

4. Radius and Ulna: These are the two bones in the forearm. The radius is located on the thumb side (lateral side), and the ulna is on the little finger side (medial side). There is a left radius and a right radius, as well as a left ulna and a right ulna.

5. Femora: The femora are the thigh bones, which are the longest and strongest bones in the human body. There is a left femur and a right femur.

6. Tibiae and Fibulae: The tibia and fibula are the two bones in the lower leg. The tibia is the larger bone, located on the inner side (medial side), and the fibula is the smaller bone on the outer side (lateral side). There is a left tibia and a right tibia, as well as a left fibula and a right fibula.

  These bones exist as pairs to provide symmetry and balance in the human body, allowing for coordinated movement and support of the skeletal structure.

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Answer:

Age of rock = 21112000000 years

Explanation:

The half-life of a radioactive material is the time taken for half the original material to decay or it is the time required for a quantity to reduce to half of its initial value.

The ratio of parent isotope, Uranium-235 to daughter isotope, Lead-207 = 6 : 42 = 1 : 7

This means that for every one gram of the parent isotope, there are 7 grams of the daughter isotope. So,the quantity of radioactive material left is one out of eight its original value.

Number of half-lives undergone for 1/8 of the original value to to remain is given below:

1/8 = 1/2 × 1/2 × 1/2

Therefore, number of half-lives = 3 half-lives

Age of rock = half-life of Uranium -235 × number of half-lives

The half-life of Uranium-235 is 704 million years = 704000000

Age of rock = 704000000 × 3

Age of rock = 21112000000 years