In this case, we have that oil and methane extraction have great impacts on the ocean, as there is always the release of these materials to the surrounding environment causing water pollution, altering the equilibrium of fito and zooplankton the base of the ocean food web, even more, intense human activity in these areas generate fauna displacement and habitat loss. Also in less quantity tend to be a release of methane into the atmosphere which is a powerful greenhouse gas.
can you help me with that what is the trna and aa?
The tRNA sequence belongs to the complementary sequence of the mRNA sequence. Although an important conceptual difference is that tRNA goes in separate triplets, while mRNA is a continuos sequence. So, in this case the tRNA will be: UAC - UGA - UCG - ACC - CCC - AUA - AUG - AAA - AUC.
an importa
What are RNA Primers? And what is their role in DNA replication?
RNA primers are short dna sequences. In DNA replication, primers pair up with sequences on the lagging and leading strand kickstarting the whole process of replication.
What is the density of a piece of lead that has a mass of 253.1 grams and a volume of 22.4 cm3?
a 3.4 g/cm3
b. 9.5 g/cm3
c. 11.3 g/cm3
d. . 15.8 g/cm3
Answer: The answer is A
Explanation:
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1. What is the structure of the brain that helps coordinate the movement of muscles in the body?
A.cerebellum
B.midbrain
C.hypothalamus
D.pons
Answer:
A. the cerebellum help coordinate the movement of the muscles in the body.
Identify the neurons that are nerve cells that carry information between sensory and motor neuronsOptions Sensory neurons Interneurons Motor neurons
Interneurons are responsible for connecting sensor neurons and motor neurons by transferring signals and communicating with each other.
Scientists analyze sequences of genetic material from two siblings. They determine that one characteristic is different between them.
Which of the following best describes the next steps the scientists should take to determine the exact difference?\
a. They should look at the sequence of genes in the chromosomes for that trait.
b. They should look at the sequence of the DNA bases in the gene for that trait.
c. They should look at the sequence of genes in the DNA bases for that trait.
d. They should look at the sequence of chromosomes in the gene for that trait.
The next steps the scientists should take to determine the exact difference is that they should look at the sequence of genes in the DNA bases for that trait.
Genes- The fundamental structural and operational component of heredity is a gene. DNA is the component of genes. Some genes serve as blueprints for the synthesis of proteins. Many genes do not, however, code for proteins. The few thousand DNA bases to even more over 2 million bases make up a gene in a human.
DNA- The information molecule is DNA. It contains information needed to create proteins, which are other big molecules. These instructions are dispersed throughout 46 lengthy structures called chromosomes that are found inside each of our cells. Numerous smaller pieces of DNA, known as genes, make up these chromosomes.
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What type of muscle typically forms a lining for various organs?A) Rough muscleB) Smooth muscleC) Cardiac muscleD) Skeletal muscle
The type of muscle that typically forms a lining for various organs is the smooth muscle. (option B)
When reading the nutrition facts on a food label, total fats is a measure of
Answer:
If a food has less than 0.5 grams of saturated fat in the serving size on the label, the food maker can say it contains no saturated fat. Remember this if you eat more than 1 serving. You should also pay attention to trans fats on any food label. These fats raise "bad" cholesterol and lower your "good" cholesterol.
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DNA consists of nucleotides: each identified by the _________ it contains.A. phosphoric acidB. ribosomeC. baseD. carbon backbone
Nucleotides are composed of a sugar molecule (ribose in RNA and deoxyribose in DNA), a phosphate group and a nitrogen-containing base (which can be Adenine, Thymine, Guanine and Cytosine in the case of a DNA). Of those three parts, the only one that changes (and therefore identifies the nucleotide) is the nitrogen containing-base. Therefore, the correct answer is C. base.
Explain how nucleotide subunits link to form a single DNA strand.
A nucleotide if formed by three parts: a phosphate group, a pentose (deoxirribose) and the nitrogenous bases (A, T, G and C).
Nucleotides are linked by phosphodiester bond, while nitrogenous bases are linked by their complementary base (Adenine with Thymine and Guanine with Cytosine) by hydrogen bonds.
Bison eat Prairie Grasses. When organisms are consumed, an estimated 10% of the energy in the food is fixed into their flesh and is avallable for the next trophic level. Assume the biomass of the prairie grasses at the bottom of your trophic pyramid is 1,000,000 Kg. Predict the approximate biomass of the bison. Show all of your work and clearly label each step, including unit labels.
Bison, like cows and elk, have four stomachs. While you might think that bison can eat four times as much as animals with only one stomach, this is not the case.
What exactly is prairie grass?Prairies are large expanses of flat or rolling grasslands. These grasslands in Minnesota range from sparsely vegetated sand dunes to vast fields of big bluestem up to 8 feet tall, from wet meadows to shortgrass prairies high on the Minnesota River bluffs. Anthropogony Girardi (big bluestem), Panicum virgate (switchgrass), and Sorghastrum nutans are the dominant grasses in the tallgrass prairie (Indian grass). A type of grassland known as mixed-grass prairie exists between the short-grass and tallgrass prairies. The true tallgrass prairie, on the other hand, is dominated by four species: Little Bluestem, Big Bluestem, Indian grass, and Switchgrass. These four grasses are commonly found with a variety of grasses that are too numerous to name.To learn more about prairie grass, refer to:
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The infraspinatus muscle is included in the __________ muscles.
The infraspinatus muscle is included in the rotator cuff muscles.
Infraspinatus muscle are found on the dorsal surface of the scapula, deep to trapezius, and parts of the deltoid. The infraspinatus is a portion of the rotator cuff muscles composed of the supraspinatus, infraspinatus, teres minor, and subscapularis. These muscles act to stabilize the glenohumeral joint.
The supraspinatus muscle abducts the upper arm. The infraspinatus muscle externally rotates the upper arm at the shoulder. The supraspinatus muscle originates from the supraspinous fossa, which is a concave surface at the top of the scapula. The supraspinatus muscle tendon passes laterally beneath the cover of the acromion.
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If a coil is placed in pure water (0% concentration), using osmosis describe what will happen. Keep in mind there are concentrations of solutes in cells
Red blood cells will osmotically absorb water from a solution (such as pure water) that has a greater water concentration than their contents, swell up, and rupture. A higher concentration of water outside the cell will diffuse into a lower concentration of water inside the cell.
What impact does water concentration have on osmosis?Osmosis happens when there is an inverse relationship between the concentration of solutes and the gradient in water concentration across the membrane. Osmosis continues to take place until the water concentration gradient is zero or the hydrostatic pressure of the water equals the osmotic pressure.
An animal cell would swell and explode if it were put in a drop of 100 percent pure water. This would occur because osmosis is permitted by the semi-permeable nature of the cell membrane.
At normal pressure and temperature, the water potential of pure water is always assumed to be zero. The kinetic energy that water molecules contain may be used to explain it.
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Which statistical test is common
for genetics and tests observed
data against the probability of
those values?
A. standard deviation
B. chi-square test
C. ANOVA
The statistical test that is common for genetics and tests observed data against the probability of those values is the chi-square test.
A statistical technique called the chi-square test is used to compare actual outcomes with predictions. The goal of this test is to establish whether a discrepancy between observed and expected data is the result of chance or a correlation between the variables you are researching.
What is studied in genetics?
The study of genes and heredity, or how particular characteristics or traits are passed from parents to offspring as a result of changes in DNA sequence, is known as genetics. A gene is a section of DNA that has the instructions needed to create one or more molecules that support bodily function.
Therefore, the chi-square test is a statistical test that is common for genetics and tests observed data against the probability of those values.
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Give the order of the following events from earliest to most recent.1. Multicellularity2. Earliest Eukaryotic cells3. First Plants4. Formation of the earth5. First Primates6. First mammals7. Earliest prokaryotic cells8. First reptiles
The first event would be the formation of the earth, since in the beginning, conditions were so extreme that life was not possible. The next event would be the origin of life which occurred with the first prokaryotic cells since they are simple cells in structure. Later, there would be eukaryotes, more complex cells, with a nucleus and other organelles such as mitochondria. Eventually, the interaction between cells gave rise to multicellularity and with this, the multicellular organisms were formed, the first ones being plants, followed by reptiles in the Carboniferous and mammals in the Jurassic period. And because primates are mammals, they would be in the last place.
A beavers build a dam behind a dam water forms a pond What effect can this have on the organisms living in the ecosystem
Beavers build dams that build wetlands which will result to flooding. Attraction of insects is also an outcome because of the effect of flooding that will kill tress and build impediments. Other organisms will now live in the area because homes will be provided by such act. Beavers actions will increase biodiversity.
Answer - Option A
How many chromatids make up each chromosome in G1?
Answer:
2 sister chromatids
Explanation:
Answer:
2 sister chromatids
Explanation:
Each chromosome composed of 2 sister chromatids . The daughter cells now close in to the 3rd and last phase of meiosis : meiosis II .
What is Due process clause
Answer:
In United States constitutional law, a Due Process Clause is found in both the Fifth and Fourteenth Amendments to the United States Constitution, which prohibits arbitrary deprivation of "life, liberty, or property" by the government except as authorized by law.
Why are the studio habits of mind important
Answer:
because it helps guide and if inform choices
Explanation:
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the topsoil is the most fertile layer of the soil, in this layer there are a great amount of nutrients and microorganisms that allow the adequate growth of plant organisms. This is why the loss of topsoil after deforestation leads to desertification.
Since topsoil is a nutrient-rich soil, it would allow the growth of plant organisms again even though it is an area exposed to mining processes. Therefore, the answer would be the B option.
Answer:the topsoil is the most fertile layer of the soil, in this layer there are a great amount of nutrients and microorganisms that allow the adequate growth of plant organisms. This is why the loss of topsoil after deforestation leads to desertification.Since topsoil is a nutrient-rich soil, it would allow the growth of plant organisms again even though it is an area exposed to mining processes. Therefore, the answer would be the B option.
Explanation:
In a soil profile, which is the most fertile layer?
Answer
C
Explanation
Topsoil is the most fertile layer of soil, it is rich in microorganisms, humus and minerals.
Randulf is planning an archaeology birthday party and wants the party to mimic the process that archaeologists follow. During which phase should Randulf tell his guests to draw sketches of their findings and take field notes?multiple choice1. interpretation2. reconnaissance3. curation4 .excavation
the answer is interpretation thei field notes where they try to interpret what was in the field and reconstruct the events that took place
Which of these statements is true with regard to this animation?
sodium and potassium ions are transported against their concentration gradients.
the cell is not expending energy.
sodium ions are transported down their concentration gradient.
potassium ions are transported down their concentration gradient. the cell does not expend atp?
Option A. Both sodium and potassium ions are transported against their concentration gradient.
A concentration gradient happens when the attention of particles is better in a single area than in every other. In passive shipping, particles will diffuse down a concentration gradient, from areas of better awareness to areas of decreased concentration, until they are frivolously spaced.
A concentration gradient happens when the concentration of debris is higher in a single vicinity than in some other. In passive transport, debris will diffuse down a concentration gradient, from areas of higher awareness to areas of decreased awareness, till they're frivolously spaced.
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Standard NCES.7.L.2.2-Two tall plants (homozygous dominant) are crossed. What are the expected phenotypes of the offspring?
Group of answer choices
all short plants
all tall plants
some tall plants and some short plants
one tall plant and the rest short plants
Type of Transport Is energy required? How does the transport work? Description of the process. Example of molecules? Phagocytosis Protein Pump Receptor Mediated Endocytosis Simple diffusion ExocytosisFacilitated diffusion PinocytosisOsmosis
Active transport is one of the three types of substances transport accross the membrane. It needs energy to occur because it moves molecules against their electrochemical gradient. Pump protein and carrier proteins are involved in active transport. Phagocytosis, Endocytosis, Exocytosis, Pinocytosis are examples of active transport.
What is active transport?Active transport is one of the three cellular transmembrane types of transport. The other two are passive transport and simple diffusion.
Active transport acts against the electrochemical gradient, so it does need energy to transport substances.
It carries molecules from a low-concentration side of the membrane to a high-concentration side.
The energy used comes from
ATP ⇒ Primary active transportMembrane's electric potential ⇒ Secondary active transportCarrier proteins are involved in active transport.
Pump proteins, like Na-K pump, expell Na and enters K into the cell.
Among the different types of active transport we can mention endocytosis, exocytosis, pinocytosis, and hagocytosis.
These processes refers to molecules transport mediated by vesicles. It occurs from and into the cell and needs energy to happen because it is active transport.
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*Explain thoroughly how deforestation affects the fertility of the impacted land?*
Deforestation can have destructive effects on soils. Trees and shrubs shield the ground from the force of raindrops and provide shade that reduces surface soil temperature, which in turn reduces evaporation. Logging and small-scale removal of trees exposes soil to rain splash which loosens and dislodges soil particles, eroding soil and creating a more impermeable bare surface, which increases runoff.
It was found that the majority of soil fertility indices were affected negatively by deforestation and more than half of the organic matter was lost to deforestation, which, in turn, could lead to deterioration in soil quality or land productivity capacity.
Enzymes_______activation energy and______up chemical reactions.
A. lower, speed
B. speed, lower
C. lower, slow
Answer:
A: lower, speed
Explanation:
Enzymes definitely speed up chemical reactions because they are proteins that act as biological catalysts. Catalysts speed up reactions without being used up themselves. They are reusable.
Lowering the activation energy makes the reaction faster because less energy is required to do the same task.
B and C do not make sense because speed activation energy doesn't make sense and slow up doesn't make sense either.
What is the mass of a piece of platinum that has a density of of 21.4 g/cm3 and a volume of 0.4 cm3?
a 8.6 G
b. 21.8 g
c. 53.5 g
d. 115.8 g
Answer: C
Explanation:
What adaptation allows the conifers to grow so much taller than the ferns?
The adaptation that allows the conifers to grow so much taller than the ferns is the presence of vascular tissues such as the xylem and phloem.
What are the xylem and phloem?The xylem and phloem are two fundamental plant tissues only present in higher plants that are required to transport nutrient products in arborous vascular plants such as angiosperms and gymnosperms.
Therefore, with this data, we can see that the xylem and phloem are two plant tissues that play essential roles in transporting nutrients to all plan tissues in higher vascular plants.
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What effect did the human population have on Easter Island? How did they change the island's natural cycling of matter and energy?
The effects of the human population on Easter Island led to the ecocide hypothesis.
The island's carrying capacity for sustainable crops was exceeded by human populations, which led to a significant loss of forest cover. Its natural cycle of matter and energy likewise decreased or changed, and as a result, the population fought over the island's limited resources.
They turned to cannibalism since they were short on food and starving. In the years 1862 and 1863, blackbirds also plagued the island. The palm tree seeds are thought to have provided food for the growing rat population, according to archaeologists.
This theory was in line with discoveries made on other Polynesian islands. The rats and human activity would have eventually caused the tree population to dwindle. Hunt used the "rat plague" as the basis for his theory regarding Easter Island's deforestation.
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