Answer:
Earth is between the sun and the moon
Explanation:
A full Moon occurs when the Moon has moved in its orbit so that Earth is “between” the Moon and the Sun. Between the new and full Moon, the amount of Moon we see grows — or waxes from its right side toward its left side.
Answer:
Earth is between the sun and the moon
Explanation:
i took the test earlier today
The fossil record is best at preserving visible changes in organisms through geologic time. This visible change is referred to as
The fossil record is best at preserving visible changes in organisms through geologic time. This visible change is referred to as the evolutionary change.
The importance of fossil recordFossils are the remains or impressions of a historical organisms which are preserved as a mold or in rocks due to pressure.
Fossil records are information made concerning these historical organisms about:
the structure of the organisms, what they ate, what ate them, in what environment they lived, and the order in which they lived.When these rocks are studied, visible changes in organisms through geologic time are observed which is that simple life forms gradually evolved into more complex ones.
Therefore, evolutionary change. is that visible changes noticed in fossil records.
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How did the move by the Portuguese royal family to Rio de Janeiro in 1808 diminish sentiments toward independence, and to what extent did the presence of the monarchy in Brazil lead to a break with Portugal in 1822?
The reason why the Portuguese loyal family left Portugal for Brazil was because of the invasion of the French under Napoleon I in 1807.
This arrival of the Portuguese heralded the Modernization that began to occur throughout Brazil.
Effect of the Presence of the Monarchy in BrazilThe presence of the Monarchy in Brazil was very instrumental in the political and social history of brazil. The presence of the Monarchy led to the following
Independence was gained with no significant struggle.The Portuguese crown prince becoming Emperor of Brazil in 1822. Slavery was abolished without a civil war in 1888.The Empire became a republic without a struggle in 1889.Learn more at
A family whose for breast cancer includes her paternal aunts who developed Breast cancer before age 45. Which genetics professional should she see?
Answer:
The answer is a Genetic counselor
3. If 98 out of 200 individuals in a population express the recessive phenotype, what percent of the population
are heterozygotes?
Answer:
Explanation:
Q:
If 98 out of 200 individuals in a population express the recessive phenotype, what percent of the population would be heterozygotes?
A:
0.42 or 42%
The recessive phenotype is the phenotype that is expressed only when the recessive condition is found in both alleles.
The percent of the population that would be heterozygous is 42%
If 98 out of 200 individual express the recessive allele = 98/200 = 0.49. This is the phenotypic frequency of the recessive allele (q²)... q = 0.7 (√0.49)
Since p + q = 1
1 - 0.7 = 0.3 = p
To find the percent of heterozygous...p² + 2pq + q² = 1
Where 2 x 0.3x0.7= 0.42
Therefore, the percent of the population that are heterozygous is 42%
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Which of the following is NOT considered a sustainable-development strategy for management of Earth’s resources?
Answer:
what are the options...?
This is the complete question
Which of the following is not considered a sustainable development strategy for management of earths resources?A. Contour plowingB. Desertification C. Crop rotationD. Selective harvesting of tree
The following is NOT considered a sustainable-development strategy for management of Earth’s resources is Selective harvesting of trees.
What is a sustainable future?If a society wants to make use of materials which can be recycled, then it has good plans for building a sustainable future for itself as it would be self-dependent and not have to rely on other nations.
With this in mind, if a country wants to build a sustainable future for itself, then it would have to use local resources more because this would increase self-sufficiency and reduce dependency.
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Describe how the hydrogen ion pump stores energy in a new place
Answer:
Hydrogen ion (H+) pumps work against their concentration gradient and therefore they need energy inputs from sources such as ATP
Explanation:
The hydrogen ion (H+) pumps are proteins that move protons across biological membranes. These pumps use energy in the form of ATP in order to generate a proton gradient on one side of the membrane. For example, in plants, H+ pump ATPases are able to generate an electrochemical gradient in the plasma membrane. In this case, the proton gradient is employed to drive secondary transport processes, thereby enabling the uptake of diferent metabolites such as nutrients, sugars, amino acids, etc., from the extracellular space.
The principal reason we need oxygen is to
A) breathe.
B) digest food.
C) produce food.
D) produce ATP from food.
E) all of the above.
Answer:
E - all of the above.
Explanation:
Breathe- you inhale oxygen in order to live
digest food- the respiratory and digestive systems work together to power the body. A properly functioning respiratory system delivers adequate oxygen to the blood because the digestive system breaks down food and uses muscular contractions to move food through the digestive tract, it needs oxygen to function properly.
produce food- All plants need oxygen to grow and animals need oxygen to live.
produce ATP- plants take light from the sun, carbon and oxygen atoms in the air and hydrogen from the water to make energy molecules called ATP
What are the properties of Carbon and what is it used for?
Help please, answer with one of the multiple choice questions in the picture above
Answer:
the answer is A. all the other statements are true.
Question 11 of 25
How are photosynthesis and cellular respiration related?
A. Cellular respiration is the process animals use to produce glucose,
while photosynthesis is the process plants use to produce
glucose.
B. The products of photosynthesis are the reactants of cellular
respiration.
C. Photosynthesis produces water molecules, while cellular
respiration splits water molecules apart.
O D. Cellular respiration provides the energy for photosynthesis
SUBMIT
Answer:
option A is the answer for this question
Where are plankton-eating fish most likely to live in a freshwater lake?
O A. The profundal zone
B. The limnetic zone
C. The littoral zone
D. The pelagic zone
Planktons are microscopic organisms that live in the water and perform photosynthesis. Plankton-eating fish are most likely to be found in the limnetic zone. Thus, option B is correct.
What is a limnetic zone?The limnetic zone is one of the ecological zones of the lake, the other zones are littoral, profundal, euphotic, and benthic. The limnetic zone is the area of the lake with ample sunlight and is where the planktons dwell.
Microscopic organisms like cyanobacteria, phytoplankton, zooplankton, and other algae are found in this zone. They play a crucial role in the aquatic ecosystem as they can use the sunlight to produce energy and are food for other consumers.
Therefore, option B. the plankton-eating fish are most probably found in the limnetic zone of the lake.
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1. The process many autotropbs go through to convert solar energy into chemical energy
Answer
the name of the process is photosynthesis
Can someone help me please
Answer:
Cell walls
Explanation:
Animals have cell walls.But plants do not have cells walls
Answer:
b) Centriole
Only animal cells have the centrioles bur not the plant cells
Explain why the process of mitosis is important to you eukaryotic
organisms
The eukaryotic organisms have the process of mitosis but differently than the process of the prokaryotic because the prokaryotic organisms dont have the dna enclosed in a nucleus. Mitosis needs to occur in eukaryotic organims because the cell could keep growing an it is going to be less efficient in moving material across the cell membrane. They reason why mitosis happens is because volume and surface are do not increase at the same rate.
Explanation:
what is the role of decomposers in an ecosystem?
Answer:
Decomposers are responsible for breaking down dead animals bodies into waste, more commonly known as food for themselves, and a more clean ecosystem. You can thank decomposers such as mushrooms and fungi for making sure the ecosystem does not consist of dead bodies.
Answer:
Decomposers play a critical role in the flow of energy through an ecosystem. They break apart dead organisms into simpler inorganic materials, making nutrients available to primary producers.
The absorbed light energy by plants is then used to change the carbon dioxide into sugar that plants can use or store as ______.
Answer:
Plants use a process called photosynthesis to make food. During photosynthesis, plants trap light energy with their leaves. Plants use the energy of the sun to change water and carbon dioxide into a sugar called glucose. Glucose is used by plants for energy and to make other substances like cellulose and starch.
Explanation:
URGENT!! NEED HELP IMMEDIATELY!!
Read about an early experiment that suggested one way simple cells could have emerged out of a “primordial soup” of complex molecules.
Write one to two sentences describing the environmental conditions in which the first cells likely emerged. How would these cells have survived?
Answer:
Here is the presentation I made. Good luck!
Explanation:
I won with this presentation two days ago so it is a guaranteed to be correct.
In a brief paragraph, explain how soluble proteins were obtained from fish muscle samples. Your explanation should include:
1. the purpose of mincing (cutting) and vortexing the tissue [2 pts,]
2. the purpose of the homogenization buffer [2 pts,] and
3. the purpose of the centrifugation step [2 pts.]
You must clearly describe what role each of these played in extracting and solubilizing protein from the samples to receive full credit. Revisit the "Micropipetting and Preparing Solutions" exercise to remind yourself of what the ingredients in the homogenization buffer were.
Answer:
Explanation:
This question is a practical question, however the processes involved in obtaining proteins after "sacrifice" is similar.
After removing the desired muscle sample from the fish during sacrifice, the muscle sample can be stored temporarily in a phosphate buffer saline which can also help remove blood and some other contaminants around the muscle sample. The sample can then be removed and weighed with the desired mass cut into small pieces in order to achieve a smaller surface area which assists for easy homogenization and buffer interaction. The homogenization buffer (which can be a phosphate buffer) is added to this small pieces and then "vortexed" so that the buffer can interact properly with the pieces. The purpose of the homogenization buffer is to prevent osmotic damage in the muscle cells while maintaining a constant pH (depending on the protein to be obtained). After homogenization with an homogenizer, the muscle cell membrane is ruptured and the soluble proteins dissolves into homogenization buffer (which must also be soluble to the desired protein) with a mass of suspended muscle tissues also in the buffer. This mixture is then centrifuged so as to obtain the dissolved/soluble protein (in the homogenization buffer) and separate it from the suspended masses in the mixture.
the table below shows the role of different substance during photosynthsis.
Answer:
Chlorophyll stores chemical energy needed for photosynthesis.
Explanation:
Can someone please help with this question quickly
Answer:
A. electrical charge
Explanation:
A scientist grew an Elodea plant in a freshwater aquarium. She
removed a leaf from the plant and placed the leaf in a hypertonic
solution containing 8% salt in order to observe what happened to the
cells within the leaf. When she looked at the cells under a microscope,
she noticed that the cells in the leaf shrunk. Which statement best
explains what caused the cells to shrink?
A. The hypertonic solution caused the water in the cell to move from the
cytoplasm into the nucleus.
B. The salt moved from the hypertonic solution into the cell and
chemically bonded with the water.
C. The salt within the cell moved through the cell membrane into the
solution with the higher salt concentration.
D. The water within the cell moved through the cell membrane into the
solution with the lower water concentration.
Answer: D. The water within the cell moved through the cell membrane into the solution with the lower water concentration.
Explanation:
Osmosis is the process of movement of water or any other fluid from a region of higher concentration to a region of lower concentration across a semipermeable membrane.
A hypertonic solution is the one which has higher solute concentration and low solvent concentration.
According to the given situation, the scientist when placed the leaf in the hypertonic solution containing 8% salt solution. The water in the leaf cells will move out of the leaf due to osmosis and the leaf will shrink. As the 8% salt solution is hypertonic.
Which of these statements is true?
A. Species do not interact with each other in the course of succession.
B. During succession, new species move into an area and colonize it, and are later replaced by newer species.
C. Most ecological successions occur over 10 to 15 years.
Answer:
Opt B is the right ans....ig this is according to the charles darwins theory...survival of fittest
The true statement is "During succession, new species move into an area and colonize it, and are later replaced by newer species. Thus, the correct option is B.
What is Succession?Succession may be defined as the gradual and continuous replacement of one community by another community over time.
Succession is always taking place by the better competitor. In the bare area, new species arrive, stabilize themselves, and colonize themselves.
After a specific period of time, new species are replaced by them, and now they got stabilized in the same area. This cycle of succession gradually works in a similar manner.
Therefore, the correct option is B.
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Describe the roles of light, carbon dioxide, and water in the production of foox and oxygen
Answer:
Light is absorbed in the plant's leaves. Carbon dioxide is taken in through the stomata. Water is absorbed into the xylem through the roots carried through the plant to the leaves.
Explanation: Then the plant uses all of these ingredients to produce food and oxygen. The food is carried throughout the phloem and is then used to grow and develop while the oxygen is released out of the stomata.
Which of the following is NOT an advantage of nuclear power?
A: Large fuel supply
B: Much lower carbon dioxide emissions
C: Low probability of accidents
D: High environmental impact from accidents
Answer:
D: High environmental impact from accidents
common sense
Explanation:
When a black moth is crossed with a white moth, about 25% of their offspring are black. What is the genotypes of the parents
Answer:
Heterozygous
Explanation:
means having two different alleles of a particular gens
Some members of a photosynthetic plant species are genetically resistant to an herbicide, while other members of the same species are not resistant to the herbicide. Which combination of events should cause the most effective replacement of the non-herbicide-resistant strain of plants by the resistant strain
Answer:
Formulate a solution that targets the cause of each strain of plants makeup of why the plant is resistant
Explanation:
What are some outrageous claims you have heard?! What evidence supports or detroys the claim?
What is the importance of chromosomes in the human body?
They move materials into and out of the cell.
They carry the genes that determine inherited traits,
They release the energy stored in food.
They assemble proteins needed by the body.
Answer:
B.) they carry the genes that determine inherited traits
Explanation:
To put it simply, chromosomes are important because they contain the entire (or at least the vast majority of) genetic information for an organism. The organism's DNA is contained within the chromosome as a long series of nucleotides that are organized into genes
Answer:
They carry genes that determine inherited traits. Chromosomes are the determining factor in cells that store each individuals' unique traits only found it that specific person. All humans have 23 pairs of chromosomes (a total of 46) in them.
Hope this helps! :D
A circle with a diameter of 16cm
Explanation:
radius is 8 because radius is half of a diameter
In squash, yellow seeds are dominant over green seeds. If two heterozygous yellow seed squash were crossed, what are the genotype and phenotype results? (Your "work" should show THREE things - the completed Punnett square, the possible genotypes, and possible phenotypes.)
Answer:
The result of cross two squashes with yellow seeds is an offspring of squash with green seeds -dominant caracter- heterozygous and yellow seeds squashes in a genotype proportion 1:2:1 and phenotype proportion 3:1
Explanation:
The cross of two heterozygous individuals for a characteristic results in an offspring that will have both characteristics in pure and heterozygous form. It is a cross monohybrid which complies with the principle of independent segregation exposed by Mendel.
For the characteristic "seed color" the green color would be G and yellow represented as g.
At the cross of two heterozygous squashs:
- Parents: Gg X Gg
- Punnett's Square:
Alleles G g
G GG Gg
g Gg gg
Offspring:
A pumpkin of green seeds GG (25%)Two pumpkins of green heterozygous seeds Gg (50%)One pumpkin of yellow seeds gg (25%)Genotype proportion 1:2:1
Phenotype proportion 3:1