Which process is represented? a. nondisjunction b.translocation c.inversion d.insertion
Answer:d.insertion
Explanation:
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Which is a true statement about air quality?
A Good air quality is shown by high levels of smog.
B Bacteria is a major cause of poor air quality.
C Water treatment plants measure the air quality.
D The EPA measures air pollution levels daily.
The statement which is true about air quality is: D. The EPA measures air pollution levels daily.
Air can be defined as an invisible mixture of gases that are having nearly constant concentrations and which surrounds the Earth.
The gases which makes up the air that surrounds the Earth include the following:
Nitrogen.Carbon dioxide.Oxygen.Hence, oxygen is one of the constituent gas of air that all living organisms such as humans and animals breathe in during respiration.
In this context, it is very important and essential that air is free from any form of impurities or pollutants, so as to avoid lung-related diseases.
In the United States of America, the Environmental Protection Agency (EPA) is a governmental agency that is saddled with the responsibility of ensuring air quality.
Therefore, the Environmental Protection Agency (EPA) measures the level of air pollution on a daily basis.
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A soybean plant uses cellular respiration to generate usable chemical energy, released within the cell as molecules of what substance
Answer: ATP
Explanation:
A soybean plant uses cellular respiration to get energy. it can be defined as the biological phenomenon by which the chemical energy in the glucose is converted in the form of ATP.
The glucose is broken down in mitochondria in the presence of oxygen and ATP production takes place along with carbon dioxide and water.
The ATP is the energy source which provides the cells energy for all the cellular process.
brown bears gain weight during the summer months so they can hibernate during winter. is it adaptation or acclimation
Explains how brown bears gaining weight for hibernation is an example of adaptation, utilizing fat reserves for survival during winter.
Brown bears gaining weight during summer to hibernate in winter is an example of adaptation. This behavior allows them to store energy reserves in the form of fat to survive months without food during hibernation.
Grizzly bears, like polar bears, accumulate fat during summer when food is plentiful and rely on it as an energy source when hibernating in winter. This process exemplifies how animals adapt to changing environmental conditions.
In biomes with cold climates, animals like bears utilize insulation in the form of fur and fat as a survival strategy to endure harsh winter conditions.
I’m 1953, who developed the model shown below ?
what happens a few days after fertilization (apex)
After fertilization, the conceptus forms a morula and then develops into a blastocyst that implants into the uterus. The outer cells of the blastocyst become the chorion, which releases hormones to support the developing embryo.
Explanation:Approximately 3 days after fertilization, the conceptus reaches the uterus and forms a structure called the morula. This compact mass of cells continues to divide and forms a ball of approximately 100 cells, known as a blastocyst. The blastocyst then implants into the wall of the uterus, and the outer cells develop into the chorion, which releases hormones to maintain the endometrium and support the developing embryo.
The blastocyst is a more complex structure, consisting of two distinct cell layers: the inner cell mass, which will give rise to the embryo, and the outer layer called the trophoblast. The trophoblast further differentiates into the chorion, which is a membrane that surrounds the developing embryo.
The chorion plays a crucial role in pregnancy. It releases hormones, including human chorionic gonadotropin (hCG), which helps to support the early stages of pregnancy by maintaining the corpus luteum in the ovary. This ensures a continued supply of progesterone, which is essential for sustaining the uterine lining and supporting the developing embryo.
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Which of these is a body fossil. A shrimp burrow B dinasour bone C dinasour footprint D an ornithopod track
The weight of a person on Earth_____.
1.decreases as the distance from the center of the Earth decreases
2.increases as the distance from the center of the Earth increases
3.decreases as the distance from the center of the Earth increases
4.temains constant no matter the distance from the center of Earth
Answer:
Your answer is- 3 decreases as the distance from the center of the Earth increases
Explanation:
What is the energy that holds the nucleus together?
amino acids and proteins
Why do you need your digestive system to live? Explain.
how do scientist organize data?
Plants use cellulose to build strong structures. what is cellulose made of? -proteins linked together -DNA molecules -lipids bonded together -simple carbohydrates linked together
which of these is a base? A.vinegar B.NaOH C.HCL D.HNO3
HELP URGENT
Answer: NaOH
Explanation:
The base can be defined as the chemical species which has the ability to denote electrons, always ready to accept protons.
These species released hydroxide ions in the aqueous solution. Example: hydroxide of alkaline earth metals like sodium hydroxide, calcium hydroxide.
These reacts with acid to form salt and water. Turns the red litmus blue. Hence, the correct answer is option B.
Meiosis is responsible for which stage in the alternation of generations?
A. Gametophyte to sperm
B. Egg to zygote
C. Sporophyte to spore
D. Zygote to mature sporophyte
E. Spore to mature gametophyte
Final answer:
Meiosis facilitates the transformation of the diploid sporophyte into haploid spores in plant life cycles, playing a critical role in the alternation of generations and genetic diversity.
Explanation:
The question relates to the role of meiosis in the alternation of generations within the life cycle of plants. In the context of alternation of generations, meiosis is responsible for transforming a diploid sporophyte into haploid spores. After reaching maturity, the diploid sporophyte undergoes meiosis to produce haploid spores, which then divide by mitosis to produce the haploid gametophyte, thereby continuing the cycle of alternation of generations. This process is essential for maintaining genetic diversity and is a fundamental aspect of plant reproduction.
Therefore, the answer to the question 'Meiosis is responsible for which stage in the alternation of generations?' is C. Sporophyte to spore.
FITT stands for frequency, intensity, time, and type
Question 5 options:
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False
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The remains of vegetation of long ago has formed _____.
rocks
coal
petroleum
groundwater
there is more than one answer
Answer:
coal and petroleum I think.
Explanation:
I am not sure so take my answer with a grain of salt.
Thank you!
Three students each added equal volumes of pond water to four beakers and placed each beaker in a different water bath. Each student maintained the water baths at temperatures shown in the data table below. The students then added an equal number of water fleas to each of the four beakers. After one hour, the students used microscopes to determine the average heart rate of the water fleas. The procedure was repeated for a total of three trials at each temperature. The results of the investigation are summarized in the data table below.
Which component of the experiment above is the independent variable?
number of trials
water temperature
average water flea heart rate
number of fleas per beaker
Answer:
water temperature
Explanation:
When performing a scientific experiment, you need to know what the dependent and independent variables are.
An independent variable is one that influences, causes a result in the dependent variable. This variable does not depend on any factor to be established.
The dependent variable, on the other hand, depends on the independent variable to be established. This is because this variable only shows one result, in relation to the influence that the independent variable had on it.
In the question above, we can see that the students were wanting to determine what the influence of water temperature was on the average heart rate of water fleas. With that, we can say that the water temperature is the independent variable.
What occurs after cytokinesis is completed at the end of meiosis I?
A: Four haploid cells are formed.
B: Two diploid cells are formed.
C: Two haploid cells are formed.
D: Four diploid cells are formed.
Answer:
the answer is C : two haploid cells are formed.
Explanation: think of it like this: Meiosis I is More haploid cells
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After the first round of cytokinesis in Meiosis, meiosis II begins and proceeds to form four genetically unique haploid cells due to the separation of sister chromatids and chromosomal crossover.
After cytokinesis is completed at the end of meiosis I, the resultant cells go through meiosis II.
During meiosis II, the sister chromatids within the two cells produced in the first round of meiosis separate, creating four unique haploid cells.
These cells are genetically unique due to the random assortment of paternal and maternal homologs and the recombination of maternal and paternal segments of chromosomes during crossover.
The process of chromosome separation that occurs in meiosis II is similar to what happens in mitosis, but with half the number of chromosomes.
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The Punnett square shows the possible genotype combinations of two parents who are heterozygous for a particular trait.
What is the probability of the parents having a child who is homozygous dominant for this trait?
0%
25%
50%
75%
The probability of the parents having a child who is hzygous dominant for this trait is - 25%
In the given question, there is a particular character that has two alleles Y dominant allele and y recessive allele. Both parents are heterozygous for the trait that is encoded as Yy cross with Yy.
Cross between: Yy X YyIf both parents carry only one copy of a recessive gene, the likelihood of a child have the recessive trait is one in four.Offspring are produced: YY: 2Yy: yyHozygous would be represented for dominant - YYthere is one YY out of 4 offsprings(1/4)*100
= 25%
Thus, the correct probability would be - 25%
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Based on the laws of probability, the probability of the having a child who is h0m0zygous dominant for the trait indicated in the Punnet square is 25%.
What is the probability of the having a child who is h0m0zygous dominant for the trait indicated in the Punnet square?Assuming the dominant trait is Y and the recessive trait is y.
From the Punnet square, the offspring genotype are: YY, Yy, Yy and yy.
The child having h0m0zygous dominant trait is YY.
Probability = 1/4 = 25%.
Therefore, the probability of the having a child who is h0m0zygous dominant for the trait indicated in the Punnet square is 1/4 or 25%.
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Why do plants not grow in the bottom of the oceans?
what are the three main parts of a soil survey
what caused the light in the sky (northern lights) the core
on the pH scale where can you find the strong acids and strong bases
On the basis of the pH scale, strong bases are mostly contained at the end (13-14) and strong acids have been found at the starting (0–1).
What is pH scale?It is a kind of scale which would be used to measure the strength of acidity as well as basicity. pH scale ranges in value between 1 to 14. On the metric scale, a 7 indicates that the outcome appears neutral.
What is a strong acid?"An acid would be considered as the substance that ionizes completely whenever dissolved in a particular solution. "It will release a higher concentration of H+ ions. For example, hydrochloric acid.
What is a strong base?A substance that ionizes completely in solution to give OH- ions will be referred as strong base. For example, sodium hydroxide.
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All living things are made of one or more cells. Here are two types of cells: an animal cell and a plant cell. Sometimes when plants are under water stress, they wilt. Animals do not wilt! What analogy based on the plant cell structure explains wilting?
Answer:
Presence of cell wall around the plant cells.
Explanation:
An adequately hydrated plant cell is firm due to presence of turgor pressure. Loss of water results in loss of turgor and the plant cells become limp and exhibit wilting. Irrespective of loss of turgor, presence of rigid cellulosic cell wall around the plant cells maintain their structural integrity.
On the other hand, animal cells do not have cell walls around them which in turn do now allow them to maintain the structure after loss of water.
what is the main function of environmental policy
Some opponents of the theory of evolution dismiss the idea as being “just a theory.” Why is this
NOT a very good argument against the theory of evolution?
Critics dismissing evolution as 'just a theory' fail to recognize the extensive evidence supporting the theory and its rigorous testing.
In science, a theory is a body of thoroughly tested and verified explanations for a set of observations. The theory of evolution has substantial evidence supporting it, and it has been rigorously tested over time. Critics who dismiss evolution as 'just a theory' misunderstand the scientific definition of theory and the extensive evidence backing the concept.
I was wondering if someone could tell me if the reason why a water fleas heart rate is effected by temperature because it cold blood orrrrr??
1 set of chromosomes is what? a. meiosis b. mitosis c. replication d. translation
state one change in the composition of the blood as it flows through the respiratory system
Answer:
Respiratory system includes respiratory passage and respiratory organ i.e lungs.
Explanation:
The transport of gases occurs via blood medium. The deoxygenated blood is transported from heart to the lungs for exchange or oxygenation. As the blood flows through the respiratory system the carbon dioxide is exchanged with oxygen. The oxygenated blood is then transported to heart for further circulation to various body parts. Some amount of gases get dissolved in the blood plasma and transported, whereas some amount is transported in the bound state. Oxygen and CO2 bind with hemoglobin in RBC.
What is a hesitation beat
A hesitation beat is a cardiac event where there is a pause following a premature contraction, resulting in what may feel like a skipped heartbeat, and can suggest underlying heart issues if persistent.
A hesitation beat is a term used in cardiac physiology to describe a delay or pause in the heartbeat that is often secondary to a premature contraction. In the case of a premature atrial contraction (PAC) or premature ventricular contraction (PVC), the subsequent heartbeat is delayed as the heart's electrical system resets itself. This results in a feeling of a skipped or extra beat and can sometimes be felt by the patient as a palpitation. While hesitation beats can be a normal variant in many individuals, they can also indicate underlying cardiac problems, especially if they occur frequently or are associated with other symptoms. It is important for individuals who experience recurrent hesitation beats to seek a medical evaluation to rule out potential issues.