Through the process of meiosis, it is possible for gametes to end up with too many or too few if they fail to separate properly.
What is Meiosis?Meiosis is defined as the specialized type of cell division of germ cells in sexually-reproducing organisms that produces gametes such as sperm or egg cells. This involves two rounds of division which eventually result in four cells with only one copy of each chromosome.
This is called reduction division because the number of chromosomes in the daughter cells becomes half that of the parent cell. For example, a human cell has 46 chromosomes, but the egg and sperm cells produced as a result of meiosis have 23 chromosomes.
If chromosomes split unequally, an egg or sperm may end up with too many or too few chromosomes; when one of these participates in fertilization, the embryo may end up with too many or too few chromosomes.
Thus, through the process of meiosis, it is possible for gametes to end up with too many or too few if they fail to separate properly.
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which of the following statements about the intent of earth's global ocean is correct
Answer:
4
Explanation:
the ocean covers 70% and land covers 20%
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Answer:
C. .. the earth is between the sun and the moon which is exactly the position of these three bodies during a lunar eclipse
Is it good or bad to have exactly the same hereditary traits?
Answer:
Both
Explanation:
Well,it has both good and bad aspects.In my opinion,hereditary traits possess good side through the genetic factors whereas it shows negativity as it may cause some diseases or hard complications.
Answer:
Heredity is important to all living organisms as it determines which traits are passed from parent to child. Successful traits are more frequently passed along and over time can change a species. Changes in traits can allow organisms to adapt to specific environments for better rates of survival.
Explanation:
What is smog? The answer choices are in the picture below...
Answer:
C. A smoky haze that forms when exhaust is trapped close to Earth's surface
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Answer:
pollute groundwater
Explanation:
What are the steps of gene expression?
A) 1. DNA gives rise to proteins. 2. Proteins make genes. 3. Genes are traits.
B) 1. RNA makes proteins. 2. Proteins catalyze chemical reactions. 3. Chemical reactions result in DNA.
C) 1. DNA forms genes. 2. Genes are expressed proteins. 3. Proteins give rise to RNA.
D) 1. DNA gives rise to RNA. 2. RNA gives rise to proteins. 3. Proteins catalyze chemical reactions that generate traits.
i am not good in this but i will be glad to help your Answer is : A
A food web is more realistic because a snake
A. has multiple adaptations
B. eats more than just frogs
C. just feeds on birds
Answer:
B. eats more than just frogs
Explanation:
A food web is more realistic because a snake eats more than just frogs
A food web is more realistic because a snake eats more than just frogs. The correct option is B.
What is a food web?A food web is a network of interrelated food chains that represents the movement of materials and energy within an ecosystem. In a food chain, the various arrows symbolize the various species that are being consumed by one another and so represent the flow of energy. Additionally, it shows that an animal can eat a variety of foods.
Food chains that are linked together form food webs. In a food chain, arrows point from the organism being eaten to the organism eating it.
The energy flow in a food web is depicted by arrows. Food webs display every form of eating in an environment.
Thus, the correct option is B. eats more than just frogs.
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2 examples of decomposers are
plants
bacteria
fungus
animals
Answer:
Fungus and bacteria
Explanation:
ANIMALS ARE NOT PLANTS
Answer:
bacteria
fungus
Explanation:
Fungus, worms, and bacteria are all examples
The following is a growth curve of bacteria. What type of growth curve is pictured? A) linear growth B) logistic growth C) exponential growth
Answer:
C) exponential growth
In the given figure, exponential growth curve is pictured.
What is exponential growth?It is the pattern of data, which demonstrates greater enhancements with passing time, giving rise to a curve of an exponential function. During the growth cycle of bacteria, the cells of bacteria goes through different phases, that is:
Lag phaseExponential phaseStationary phaseDeath phaseIn the case of bacteria, the cells enter the log or the exponential phase after the lag phase. This is the time when the cells get differentiate by the process of binary fission and double in numbers after each generation time.
In this pattern of growth, the metabolic activity is high as RNA, DNA, the components of the cell wall, and other substances essential for growth are generated for differentiation.
Thus, the pattern of growth demonstrated in the given figure is exponential growth.
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True or false: Photosynthesis is an important part of the carbon cycle.
А
True
B
False
•Photosynthesis is an important part of the carbon cycle - True.
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It is true that photosynthesis is an important part of the carbon cycle. The correct option is A.
What is the role of photosynthesis in carbon cycle?Photosynthesis is the process by which plants convert sunlight, water, and carbon dioxide into oxygen and sugar energy.
Plants absorb carbon dioxide and sunlight during photosynthesis to produce fuel glucose and other sugars for plant structure construction. The fast (biological) carbon cycle is built on this process.
The carbon cycle includes cellular respiration and photosynthesis. The carbon cycle refers to the processes by which carbon is recycled in the biosphere.
While on the other hand cellular respiration emits carbon dioxide into the environment, photosynthesis absorbs carbon dioxide.
Carbon dioxide is removed from the atmosphere by photosynthesis and replaced by cellular respiration. Photosynthesis takes oxygen from the atmosphere and cellular respiration replenishes it.
Thus, the correct option is A.
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Most scientists theorize that prokaryotic cells evolved before eukaryotic cells based on
which observation?
Eukaryotic cells are smaller.
O Prokaryotic cells are the only ones with cell walls.
Prokaryotic cells are less complex,
Eukaryotic cells have ribosomes.
Answer: I'm not 100% sure but it is either prokaryotic cells are the only ones with cell walls or prokaryotic cells are less complex because their both true about prokaryotic cells
Explanation:
What will pair with adenine?
In DNA base pairing, adenine always pairs with thymine, and guanine always pairs with cytosine. Adenine is also one of the bases in RNA. There it always pairs with uracil (U). The base pairs in RNA are therefore A-U and G-C.
4. Which of the following is NOT true of the digestive system? a. The stomach contains acids to break down food b. Digestion begins with enzymes in the stomach c. The large intestine absorbs water from the digestion of nutrients d. The small intestine does most of the absorption of nutrients
Answer:
B. Digestion begins with enzymes in the stomach
Explanation:
The digestive process starts in your mouth when you chew. Your salivary glands make saliva, a digestive juice, which moistens food so it moves more easily through your esophagus into your stomach. Saliva also has an enzyme that begins to break down starches in your food.
What happened at the end of the most recent ice age?
Answer:
What ended the last ice age?
That CO2 then warmed the globe, melting back the continental ice sheets and ushering in the current climate that enabled humanity to thrive. That, at least, is the story told by a new paper published in Nature on April 5 that reconstructs the end of the last ice age.
Explanation:
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plans to stop deforestation?
Answer:
Start planting trees
Explanation:
That's the sum of the domestic campaign so far.Soon all the neighbors will be carbon copying each other.
Answer:
Deforestation can be averted by various countermeasures. First of all, we should afforestation which is growing of trees in the forest. This would help to resolve the loss of the trees cut down. Moreover, the use of plant-based products should increase.
Explanation:
Some examples:
Begin by hugging a tree. ...
Start planting trees. ...
Stop printing and go paperless. ...
Recycle paper and cardboard. ...
When shopping, move towards buying recycled products mainly. ...
When at home, recycle as much as possible.
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Begin by selecting a freshwater or marine aquatic ecosystem as a model for your food web. Be specific. Choose a specific lake. Or, if you choose an ocean ecosystem, identify its geographical area and depth. Keep in mind that deep-sea organisms live in a completely different environment than surface aquatic organisms.
Next, conduct research on the following conditions in the ecosystem you chose. They influence the types of organisms that can live there.
geographical features
temperature
depth/light availability
salinity
pH
unique features that contribute to the ecosystem, such as other bodies of water that connect to it, unusual chemistry, and climate
Using the information you gathered, write a paragraph that describes conditions in the ecosystem.
How much time do you have, this may take at least 30 minutes?
What were the sources of genetic variation in the population?
Answer:That is, the fraction 48 can be converted to decimal by dividing 4 by 8 . It can be converted to percent by multiplying the3 this is kne f3rcdwecdecfefvrgbvgrbv
Explanation:
and this is sound nba moruf nba mdidd
Which of the following best describes the initial separation event in allopatric separation?
A. Geographic isolation
B. Isolated niche population
C. Partially isolated population
D. Genetic polymorphism
Answer:
A. Geographic isolation
Explanation:
Allopatric speciation occurs when one population separates into two geographically isolated populations. The geographic isolation prevents gene transfer and reproduction, allowing for genetic divergence between the two populations.
Answer:
The Answer is A
Explanation:
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What can mrna do that dna cannot?
Answer: b
Explanation:
Four students provide their teacher with an explanation of why photosynthesis is considered a chemical change. Luke: Photosynthesis is considered a chemical change because the CO2 molecules disappear and the O2 molecules reappear. Jackie: I know that photosynthesis is a chemical change because all of the reactants undergo a state of matter change and are all present as a product. Tara: Through photosynthesis, the CO2 and water are changed into new substance, glucose, therefore it is considered a chemical change. Skyler: Photosynthesis is a chemical change because solar energy is required. Which student provides the best explanation of why photosynthesis is a chemical change
Answer:
The best explanation was provided by the student Tara who said: "Through photosynthesis, the CO2 and water are changed into new substance, glucose, therefore it is considered a chemical change".
Explanation:
A chemical change is one which is not easily reversible and which results in the formation of new subsatances.
For example, in photosynthesis,a new substance, glucose is formed from the original substansubstances, carbon dioxide and water. Also, the reverse process of the formation of carbon dioxide and water from glucose is not easily obtained in plants.
From explanations provided by the students :
Luke does not give any explanation of the process but only an observation
Jackie's explanation does not state the main reason why a chemical change differs from a physical one.
Tara, gives the best explanation as the reason why a change that occcured is a chemical change is clearly stated.
Skyler does not state the main reason why photosynthesismis a chemical change as well, because even physical changes like evaporation of water involves solar energy.
Explain how scientific study is always an ongoing process?
Most home energy use goes toward _____.
A]washing clothes and cooking
B]heating and cooking
C]hot water and appliances
D]heating and hot water
Answer:
washing clothes and cooking
Compare and contrast the location and function of ribosomes in prokaryotic and eukaryotic cells.
Answer:
Explanation:
In eukaryotic cells, ribosomes are found in the cytosol of a cell, the mRNA , endoplasmic reticulum and also the matrix of the mitochondria. They are large molecules that catalyzes the synthesis of proteins, which is called translation. The ribosome choose tRNA and covalently links the amino acids into a polypeptide chain.
In prokaryotes, it can be found in cystosol and it help translate genetic code into protein.
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Answer:
a. low diversity
Explanation:
Hurricanes and severe storms can lead to flooding. Homes are damaged from rising water. The water can enter the home through broken doors, windows, and roofs. Homeowners need to quickly remove the standing water. Which answer is least related to a homeowner quickly working to achcieve a healthy home?
A. Limiting human and pet parasites
B. Removing mosquito and insect larvae
C. Preventing the growth of mold and mildew
D. Settling home and medical insurance claims
Answer:
I would say that the answer is A :)
Explanation:
What Are The Reason(s) the Body Responds to Stimuli?
Answer:
All living things are able to respond to stimuli in the external environment. To detect stimuli, organisms have means for receiving information, such as eyes, ears, and taste buds.
Explanation:
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List AND Describe the 3 physical properties of water.
Answer:
the three main ones that i could find is
Solid
Liquid
Gaseous
solid because you can freeze it.
liquid because thats its natural form
and gaseous because you can steam it.
Why would a large company want to provide a safe and indoor air pollution free environment for their workers?
a. They want their workers to be healthy and not sick for monetary reasons.
b. Companies that deal with sick building mitigation charge a great deal of money.
C. Companies want to remain in compliance with city building codes.
d. The sealing and caulking is ongoing and difficult to maintain.
e. All of the above
Answer:
a. They want their workers to be healthy and not sick for monetary reasons
This makes a water molecule a ___ which allows for other water molecules to "stick" together
A . non-polar molecule
B. ionic molecule
C. polar molecule
Answer:
Polar molecule
Explanation:
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