Answer:
the correct answers are
Geologists can use
seismic
waves to learn about Earth’s interior. P waves travel faster than S waves. S waves travel through solids only, which tells geologists that the
outer
core is liquid.
Geologists call the outer, solid area of Earth the crust; the next layer is the
mantle
. Finally, at the very center, is the core.
Explanation:
answers are underlined
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Answer:
seismic
outer
mantle
In that order.
Explanation:
What is the benefit of diversity in a gene pool?
increased chance of migration.
increased chance of equilibrium.
increased chance of extinction.
increased chance of survival.
Answer:
Increased Chances of Survival
Explanation:
Genetic diversity we could say as Variation in a gene pool and it serves as a way for populations to adapt to changing environments, So if there is any environmental change, With more variation it more likely that some individuals will have variation of allele in them that suits the change so they will have brighter chances of surviving.
An increased chance of survival is the benefit of diversity in a gene pool.
Increased Adaptability: A broad gene pool produces a population with a wider range of genetic features and variants. Due to this diversity, there is a greater chance that an individual may have favorable qualities that will allow them to adapt to shifting environmental factors like temperature, resource availability, or the prevalence of diseases. Individuals with genetic variants that are advantageous in the altered environment are more likely to survive and pass on their genes to succeeding generations.
Better Resilience: A diversified gene pool acts as a defense against potential dangers and difficulties. A population with a diverse range of genetic variations is more likely to have some members who are immune to or resistant to particular illnesses, predators, or other stressors.
Hence, an increased chance of survival is the benefit of diversity in a gene pool.
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how are underwater ecosystems affected by tidal waves
Answer:
A tidal wave is a shallow water wave caused by the gravitational interactions between the Sun, Moon, and Earth. ("Tidal wave" was used in earlier times to describe what we now call a tsunami.) A tsunamis is an ocean wave triggered by large earthquakes that occur near or under the ocean,...
i think
Which layers of the atmosphere does the temperature decrease the higher you go?
Answer:
troposphere
Explanation:
The lowest layer is the troposphere where most of the atmospheric gases and all of the planet's weather are located.
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Describe Claire's symptoms. Explain how they were related to metabolism and homeostasis.
Answer:
Claire's symptoms suggest that lately, she is not enjoying her work which she was very fond of due to her poor eyesight. She is tearful while reading, she is afraid of her role as a mother for their kids in the future, she is worried for her mother. She can not sleep without sleeping pills. she put 30 pounds as she is not active and watches television or the internet all-day.
Metabolism is the process that maintains the body and cell of an organism by involving various chemical reaction that helps in extracting, storing, and utilizing the energy. Homeostasis and metabolism are related to one another as metabolism is required to maintain homeostasis and homeostasis are required for efficient metabolism.
Which of the following is not part of the scientific process?
A. making predictions
B. asking questions
C. using creative insight
D. proving theories are true
Answer:
The correct answer is C- using creative insight
A tree growing on a cliff is slowly growing its roots into the rocks and causing it to crack. What is this an example of? Why?
(28 Points)
Answer:
because the tree is merged into the cliff, so its because of erosion
Explanation:
is it true that all organisms are composed of one or more cells, and the life processes of metabolism and heredity occur within these cells.
Answer:
Yes it is true
Explanation:
Cells are the basic unit of all organisms
The milk sugar, lactose, is made up of glucose and galactose. Why type of carbohydrate is lactose?
Answer:
disaccharide
Explanation:
What’s the correct order?
You have been studying the lysosomal enzyme cathepsin D in mammalian cells. To look at the localization of the enzyme, you incorporate 32 P into the cells over a long period of time and collect fractions of the cell lysate corresponding to various organelles. Much to your surprise, you find cathepsin D was isolated in the ER fraction, and it contains 32 positive sugar side chains. However, when you pass this enzyme through an affinity chromatography column containing mannose-6-phosphate receptor conjugated to resin, the enzyme passes straight through. However, your cousin calls you up and tell you that she modified your cell line. She claims that she deleted your endogenous cathepsin D gene and transfected a plasmid containing a cathepsin D gene with a Lys-Asp-Glu-Leu (KDEL) sequence on the C-terminus.a) Why is the lysosomal enzyme found in the ER fraction rather than in the lysosomal fraction?b) Explain why the modified enzyme does not bind to the mannose-6-phosphate receptor.
Answer:
Explanation:
1.
Cathepsin is involved in programmed cell death, it is a lysosomal enzyme and the reason it is found in the ER fraction instead of the lysosomal fraction is because of its c terminal KDEL sequence. this sequence ia a retrieval for protein and causes a backward movement of protein back to endoplasmic reticulum. that is why cathepsin seems to have localised in ER instead of the lysosomal fraction
2 It does not bind to mannose-6-phosohate receptor because this glycosylation process does not occur in the E.R but in Golgi bodies. because of the KDEL sequence this glycosylation of cathepsin would not occur and cathepsin would go through affinity column without any form of binding to receptor.If cathepsin can get to the Golgi then glycolysation with Mannose6phospate can occur.
What is a major obstacle in cellular respiration? It is limited by the low amount of energy stored in a glucose molecule It is an exergonic reaction, with much of the energy lost as heat, which potentially might damage cells It is an inefficient reaction and doesn’t provide eukaryotic cells with enough energy It requires oxygen to be actively pumped against its concentration gradient into cells
Answer:
It is an exergonic reaction, with much of the energy lost as heat, which potentially might damage cells
Explanation:
Cellular respiration is an important process carried out by the cells of living organisms in order to supply energy needed for their various cellular functions. Cellular respiration generally involves the breakdown of the stored energy in glucose molecules (in the presence of absence of oxygen).
However, since the process of cellular respiration releases energy as chemical energy (ATP) and majority as heat energy, it is said to be an EXERGONIC REACTION i.e energy-releasing. This hear energy released can damage living cells, which is a major setback to cellular respiration.
When are acids used in the human body?
Answer:
The most commonly-known way is in the stomach, during digestion.
Water pollution control came about as a result of _______.
a.
public protest of the condition of the Cuyahoga River
b.
the Cuyahoga River fire of 1969
c.
the California oil spill
d.
environmental assessments
Answer:
B. the Cuyahoga River fire of 1969
Explanation:
i just took the test
Water pollution control came about as a result of the Cuyahoga River fire of 1969.
What do you mean by Water pollution?Water pollution may be defined as the accumulation of undesirable substances in the water which make water harmful to living beings.
During the Cuyahoga River fire of 1969, the number of fire stations along the river doubled due to the fire that caught in the sewage water.
Therefore, water pollution control came about as a result of the Cuyahoga River fire of 1969.
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Match the following groups with the correct description
a. Euglenozoans
b. Diatoms
c. Brown algae
d. Apicomplexans
e. Green algae
1. exists as a large plasmodium and sporulates when conditions dry up.
2. are key primary producers. Have silica skeletons and produce oil to maintain buoyancy.
3. no cell wall, but pellicle. Some free living, others are parasites.
4. exhibits alternation of generations and produces both motile zoospores and sperm.
5. May be unicellular or colonial. Photoautotrophic and biflagellated
6. No cell wall, but have alveoli and a complex life cycle. Some are pathogens of humans.
Answer:
a- 3
b- 2
c- 4
d- 6
e- 5
Explanation:
A) Euglenozoans are eukaryotic organisms that belong to the Kingdom Protista. They are either free-living or parasitic in nature. They have no cell wall in their structure but instead possess a pellicle.
B) Diatoms are photosynthetic algae that belong to the division-Bacillariophyta. The ability to photosynthesize makes them a primary producer in an ecosystem. Their cell wall is made up of silica, which is unique to their group of algae. They also produce oils to maintain buoyancy.
C) Brown algae belong to the division- Phaeophyta. They exhibit alternation of generations in their life cycle where they produce both motile zoospores and sperm.
D) Apicomplexans are organisms such as plasmodium etc that belong to the phylum- Apicomplexa. Most of them are pathogenic, with some affecting humans. They lack cell wall but have a flat vesicle called ALVEOLI.
E) Green algae belong to the division Chlorophyta. They are photosynthetic organisms and exists as unicellular or colonial organisms. They have flagellated for locomotion.
What type of organic compounds store the most energy per molecule?
lipids
O carbohydrates
O proteins
O nucleic acids
O Lipid Acids
Answer:Lipid Acids
Explanation:
Using this image as a reminder, which phrase gives two processes scientists think
move the Earth's lithospheric plates?
A. gravity acting on the edges of plates and friction between the plate and the asthenosphere
B. friction between the plate and the asthenosphere and pressure of magma on the
edge of the plate
C. gravity acting on the edges of plates and convection in the mantle
D. convection in the mantle and pressure of magma on the edge of the plate
Answer:
C. gravity acting on the edges of plates and convection in the mantle
Explanation:
A tectonic plate (also called lithospheric plate) is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere. Therefore, the option (C) is correct.
What are lithospheric plates?Plate tectonics is the generally accepted scientific theory that considers the Earth's lithosphere to comprise a number of large tectonic plates which have been slowly moving since about 3.4 billion years ago.
Earth's crust, called the lithosphere, consists of 15 to 20 moving tectonic plates. The plates can be thought of like pieces of a cracked shell that rest on the hot, molten rock of Earth's mantle and fit snugly against one another.
In plate tectonics, Earth's outermost layer, or lithosphere—made up of the crust and upper mantle—is broken into large rocky plates. These plates lie on top of a partially molten layer of rock called the asthenosphere.
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The basic unit of structure and function of living things is the?
Answer:
cell units
Explanation:
Answer:
Cell is the basic structural and functional unit of life.
What are the types of organs in the urinary system
Answer:
kidneys, renal pelvis, ureters, bladder and urethra.
Explanation:
Select the correct answer.
Macy always thought there were only a few hair colors: blond, brown, and black. However, when she actually began looking around, she saw varying shades of these hair colors. What is a possible reason for so many different hair colors?
Answer:
My guess is that the answer is genetics
Explanation:
polygenic inheritance
What are the major parts of a cell
Answer:
Cell membraneNucleusCytoplasmI hope this helps!
Answer:
Nucleus, nucleolus, ribosomes cell membrane, cytoplasm, mitochondria et cetra.
A reduction of the amount of product of a particular gene is observed due to a mutation. This type of a mutation is called ____
Answer:
Deletion
When a small segment of chromosome is missing a mutation is called deletion. Since chromosome are made of DNA and DNA constitutes genes so Genes are actually present on chromosomes and when a small segment of chromosomes went missing reduced amount of genes is observed
5. Besides being part of the composition of bone, why else do mammals need calcium?
Answer:
It's important for the contracting muscle
Explanation:
Besides being part of the composition of bones, calcium is needed by mammals for the following processes:
Formation of skeletons and teeth.Muscle contraction.Regulation of normal heart rate and nerve functions. Blood clotting. What is Calcium in living organisms?Calcium in living organisms may be defined as an important nutrient that all living organisms require, including humans in order to develop various organs like teeth and bones as well as for metabolic processes.
Apart from being part of the composition of bones, calcium is also required for the proper development of teeth and skeletons. The movement of calcium ions plays an essential role in the contraction of muscles.
The influx of calcium ions into the cells of the heart significantly enhances the heart rate of an individual in the range of 1.6 to 14.10 mm.
It also plays a critical role in blood clotting.
Therefore, it is well described above.
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Answer for 25 points also I’ll mark you as the brainiest ! For the quickest answer.
Answer:
The Fourth Point (between 4 and 5)
You find the optimal pH by looking for the pH with the highest activity.
Explanation:
The optimal ph is basically where the enzyme has THE MOST activity.
The fourth point of the pH, and activity is the optimal pH because it has the most activity out of the nine points.
Each diagram shows a cell with a semipermeable membrane submerged in a
solution. Solutions contain different amounts of solutes (glucose, sodium). The
membrane is NOT permeable to glucose or sodium.
Explanation:
I guess I don't understand your question.
A cross was made between two strains of plants that are agriculturally important. One strain was disease-resistant but herbicide-sensitive; the other strain was disease-sensitive but herbicide- resistant. A plant breeder crossed the two plants and then allowed the F1 generation to self- fertilize. The following data were obtained:
F1 generation: All offspring are disease-sensitive and herbicide-resistant
F2 generation: 157 disease-sensitive, herbicide-resistant
57 disease-sensitive, herbicide-sensitive
54 disease-resistant, herbicide-resistant
20 disease-resistant, herbicide-sensitive
Total: 288 Formulate a hypothesis that you think is consistent with the observed data. Test the goodness of fit between the data and your hypothesis using a chi square test. Explain what the chi square results mean.
Answer:
Hypothesis: Alleles assort independently from each other.There is not enough evidence to reject the null hypothesis.Explanation:
Due to technical problems, you will find the complete answer and explanation in the attached file.
Which biome has low nutrient quality soil?
coniferous forest
tropical forest
deciduous forest
boreal forest
Answer:
Tropical
Explanation:
The high temperature and moisture of tropical rainforests cause dead organic matter in the soil to decompose more quickly than in other climates, thus releasing and losing its nutrients rapidly. The high volume of rain in tropical rainforests washes nutrients out of the soil more quickly than in other climates.
Answer:
it boreal forest also known as tiaga
Explanation:
The northern Eurasian coniferous forest is called the taiga or the boreal forest. Both terms are used to describe the entire circumpolar coniferous forest with its many lakes, bogs, and rivers. Coniferous forests also cover mountains in many parts of the world.
Which contributing factors cause the thermosphere to be warmer than the mesosphere?
A. Gases are more dense in the thermosphere and absorb energy easily.
B. Sunlight is reflected by the abundant gases, oxygen and nitrogen, in the mesosphere.
C. The abundance of hydrogen gas causes explosions, sending heat into the stratosphere.
D. Ultraviolet radiation is absorbed, and fewer air molecules cause the thermosphere to heat quickly.
Answer:
d
Explanation:
suns ultraviolet rays are absorbed in the thermosphere
The contributing factors cause the thermosphere to be warmer than the mesosphere is ultraviolet radiation is absorbed, and fewer air molecules cause the thermosphere to heat quickly.
What are the effects of ultraviolet radiation?The experiment that ultraviolet light made plants grow more slowly is the experiment most likely has greater reliability in which the experiment repeated several times and each time found that plants grow slightly slower with ultraviolet rays because the experiment was repeated with the same.
The main effect of ultraviolet light on plant growth is during photosynthetic active radiation under high level, UV -B light increases the net plant photosynthesis in several plant species.
Higher production of dangerous radiation can be induced under both UV-B and high PAR in young and old plant leaves.When UV light is obtained by plants resins production increases and plant become richer in smelling and better in tasting.Due to increase in resin production the plant is protected from pests and diseases.
Therefore, The contributing factors cause the thermosphere to be warmer than the mesosphere is ultraviolet radiation is absorbed, and fewer air molecules cause the thermosphere to heat quickly.
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use your own words to explain planetary gravitation. provide an example.
A STRAND OF DNA IS 19% GUANINE. WHAT
PERCENTAGE IS CYTOSINE?
Answer:
28% cytosine
Explanation:Since cytosine and guanine are present in equal amounts, we can simply divide their sum by 2. 28% cytosine, and 28% guanine.
moon phase that is half light and half dark
Answer:
Because a half of the half illuminated Moon can be seen, this is referred to as a "quarter Moon". When the Moon is waxing and reaches this position, it's called the "first quarter Moon"; when waning, the "third quarter Moon."
Orbits: Earth
Explanation:
Answer:
First Quarter Moon
Explanation:....