Answer: Cell division or mitosis is a nuclear cell division that results to two daughter cells having the same genetic code as the parent cell. The division starts at the nucleus. The chromosomes divide into two and a spindle is formed at middle of the cell. The spindle shortens and breaks resulting to two daughter cells.
Explanation:
What kind of mixture can paint be classified as
Answer:
colloid
Explanation:
Answer:
the paint is a suspension paint is also a type of colloidal solution it is a 'solution in which the dispersed medium (the solvent) is liquid and dispersed phase is solid
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Osteoporosis is more prevalent among women than men because women generally
have more bones in their bodies than men have.
take in more calcium than men take in.
have lower bone mass than men have.
exercise more than men do
Answer:
Have lower bone mass than men have
Explanation:
Osteoporosis is a bone thinning disease that is more prevalent among women than men and typically occurs after 50. The reason women are more likely to get the disease than men is because after 50 many women have gone through or are going through menopause. Menopause causes the ovaries to produce less estrogen which is what had previously been promoting bone density.
The other answers are incorrect because...
A: have more bones in their bodies than men have: for the most part everyone has the same amount of bone in there body (although there are diseases that cause a persons bones to fuse together making them have fewer bones than the average person)
B: take in more calcium then men take in: more calcium would actually cause someone to be less likely to get osteoporosis because it strengthens the bones.
C: exercise more than men do: Osteoporosis is more common in malnourished women and women who do not get regular physical activity to strengthens there bones. So getting more exercise would actually lessen the chance of getting osteoporosis.
Hope this helps! :)
Label the process in the carbon cycle
Answer:
Photosynthesis
Explanation:
uhmm i think
Where has the population reached the carrying capacity in the graph shown
above?
A. Point A
B. Point D
C. Point B
D. Point C
Answer: the correct answer is D
Explanation:Carrying capacity is characterized as the maximum populace size that a domain can continue inconclusively. For most species, there are four factors that factor into figuring the carrying capacity of an individual population: food accessibility, water resources, habitat, and ecological conditions.
In a graph representation of population size in a time period increases until it reaches carrying capacity, carrying capacity is representing in the graph where the increase in curve becomes stable and makes a plateau.
Assume that a cross is made between tall and dwarf tobacco plants. The F1 generation showed intermediate height, whereas the F2 generation showed a distribution of height ranging from tall to dwarf, like the original parents, and many heights between the extremes. These data are consistent with _____________ inheritance
U find out your self
Question 1) Discuss how compounds in different types of organisms can be used to benefit people? ( Will Mark Brainliest).
Assume for the purposes of this problem that the order of and distances between three linked genes are the following: unc-32 10mu vab-7 20mu dpy-17 What is the probability of obtaining a phenotypic unc-32 vab-7 offspring from a cross between a heterozygous fly(unc-32 vab-7 dpy-17/ ) and the triple recessive nematode
From the distances between genes and their order, it is possible to get recombination frequencies per region (simple and double recombination frequencies). The probability of obtaining a unc-32 vab-7 + offspring is 0.09 = 9%.
---------------------
We are usually asked to get the order of genes in a chromosome. To do so, we need to get the distances between genes. And to get distances between genes, we need to get their recombination frequency.
When three genes are involved, we get the distances by taking the recombination frequency, P, per region.
We talk about regions, R, when we are making reference to the space between two genes.
Gene 1 -----(R1)----- Gene 2 --------(R2)------ Gene 3
P1 P2
P1 = recombination frequency between Gene 1 and Gene 2P2 = recombination frequency between Gene 2 and Gene 3⇒ P1 = (SR + DR) / N
⇒ P2 = (SR + DR)/ N
Where:
SR is the number of simple recombinants in each region, DR is the number of double recombinants in each region, and N is the total number of individuals.The genetic distance will result from multiplying that frequency by 100 and expressing it in map units (MU). One centiMorgan (cM) equals one map unit (MU).
In the exposed problem, we need to do the inverse way. We already have the order and distances between genes, and we need to get the recombination frequency, P.
We know that the order of genes is as follows,
unc-32 ------------- vab-7----------------- dpy-17
Distances are:
Region 1 = 10 MURegion 2 = 20 MUWe need to get the probability of obtaining a phenotypic unc-32 vab-7 + offspring from a cross between a heter0zyg0us fly (unc-32 vab-7 dpy-17/ + + + ) and the triple recessive nematode (unc-32 vab-7 dpy-17 / unc-32 vab-7 dpy-17).
Cross:
unc-32 vab-7 dpy-17 / + + + x unc-32 vab-7 dpy-17 / unc-32 vab-7 dpy-17
To get the genotype unc-32 vab-7 + , a simple recombination, SR, must occur in region 2.
So we need to get the simple recombination frequency in Region 2.
To do so, first we need to clear the following equation
Distance between vab-7 dpy-17 = P2 x 100 = 20 MU
20MU = P2 x 100
P2 = 20 / 100
P2 = 0.2
The recombination frequency in region 2 (P2) is 0.2.
Now, we need to get the simple recombination frequency in this region.
P2 = (SR + DR) / N
P2 = Simple recombinants Frequency + Double recombinants Frequency
R1 = 10 MUR2 = 20 MUDouble recombinants Frequency = 10% x 20% = 0.1 x 0.2 = 0.02P2 = Simple recombinants Frequency + Double recombinants Frequency
0.2 = Simple recombinants Frequency + 0.02
Clearing the equation,
Simple recombinants Frequency = 0.2 - 0.02 = 0.18
Simple recombinant frequency in region 2 will produce the following two chromosomes,
unc-32 vab-7 ++ + dpy-17So half of this frequency will produce one chromosome, and the other half will produce the other chromosome.
unc-32 vab-7 + ⇒ 0.09+ + dpy-17 ⇒ 0.09So, the probability of obtaining a phenotypic unc-32 vab-7 + offspring is 0.09 = 9%.
---------------------------------
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From the THREE LAWS OF MOTION, choose 1 law then state the law and give an example.
Answer: The first low of motion states that an object at rest remains at rest and an object in motion remains in motion unless acted on by an unbalanced force. This is also knows as the law of inertia. One example of this is a ball. A ball stays put unless you push in which case it keeps on moving. However, it stops because of the force known as friction.
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Answer:
Newton's first law of motion states that an object at rest remains at rest and an object in motion remains in motion with the same velocity unless acted upon by what we call an unbalanced force
Explanation:
For example, my cup of coffee is resting on my kitchen table as I make this lesson. The force of gravity pulling down is balanced by the force of my kitchen table pushing up on my cup of coffee. Now, if I am to move my coffee, I must apply an external force to disrupt the balance. Thank goodness my muscles are strong enough to apply such a force so I can enjoy my cup of coffee. Ah, now that's good joe! Newton's first law of motion is also referred to as the law of inertia
list five traportance of science to men
1. Science is the greatest collective endeavor. It contributes to ensuring a longer and healthier life, monitors our health, provides medicine to cure our diseases, alleviates aches and pains, helps us to provide water for our basic needs – including our food, provides energy and makes life more fun, including sports, music, entertainment and the latest communication technology. Last but not least, it nourishes our spirit.
2. Science generates solutions for everyday life and helps us to answer the great mysteries of the universe. In other words, science is one of the most important channels of knowledge. It has a specific role, as well as a variety of functions for the benefit of our society: creating new knowledge, improving education, and increasing the quality of our lives.
3. Science must respond to societal needs and global challenges. Public understanding and engagement with science, and citizen participation including through the popularization of science are essential to equip citizens to make informed personal and professional choices. Governments need to make decisions based on quality scientific information on issues such as health and agriculture, and parliaments need to legislate on societal issues which necessitate the latest scientific knowledge. National governments need to understand the science behind major global challenges such as climate change, ocean health, biodiversity loss and freshwater security.
4. To face sustainable development challenges, governments and citizens alike must understand the language of science and must become scientifically literate. On the other hand, scientists must understand the problems policy-makers face and endeavor to make the results of their research relevant and comprehensible to society.
5. Challenges today cut across the traditional boundaries of disciplines and stretch across the lifecycle of innovation -- from research to knowledge development and its application. Science, technology and innovation must drive our pursuit of more equitable and sustainable development.
air is made of ____and ____
Answer:
Air is made up of:
Nitrogen (78%)Oxygen (21%)Other gases (1%)Explanation:
Hoped this helped.
What Emma pushes a bag with a force of 27 Newton's the coefficient of Connecticut friction between the bag and the floor is 0.23 what is the normal force acting on the bag by the floor
You are competing at a high school gymnastics meet. Your floor routine music begins
and you start running in a positive direction into a tumbling pass, starting from rest.
At 2s, your velocity is 4.5m/s. Calculate your acceleration.
Your Answer:
Answer
units
Answer:
2.25 m/s^2
Explanation:
Acceleration is the speed which you are increasing by per second. Therefore to find acceleration all you need to do is divide the change in velocity (4.5) by the time (2). Your units than become (m/s)/s or m/s^2.
how can a cell corret the DNA if there is a mutation?
Answer:
if there is a mutation in genetic material then cell cannot correct it
In what type of organism is cell differentiation
necessary?
A. prokaryotes
B. kingdom archaebacteria
C. single-celled organisms
D. multi-cellular organisms
Which of the following is true about respiration in plants? Question 3 options:
A. Plants do not respire.
B. Plants respire at night.
C. Plants respire all the time.
D. Whereas animals produce carbon dioxide, plants produce oxygen at the end of respiration.
Answer:
plants respire at night
Fill in the blank with the correct term to complete the sentence provided. When the valve between the right atrium and right ventricle has an abnormal narrowing, this is known as
(Answer is NOT pulmonary valve or pulmonary stenosis)
Explanation:
if its correct please let me know
A narrowing of the valve between the lung arteries and the lower right heart chamber (right ventricle) is known as pulmonary valve stenosis (pulmonary arteries).
What is an abnormal narrowing in the heart?The valve flaps (cusps) of a constricted heart valve may thicken or stiffen, as a result, the valve's blood flow is decreased.
When that valve narrows, blood cannot flow correctly and aortic stenosis develops, mild to severe cases of the illness are possible.
The left ventricle of your heart has to work harder over time to force blood past the stenotic aortic valve.
Therefore, an abnormal narrowing of the right atrium and right ventricle is due to pulmonary valve stenosis.
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. Why are cellular respiration and photosynthesis considered almost opposite processes?
A. Photosynthesis releases energy, and cellular respiration stores energy.
B. Photosynthesis removes carbon dioxide from the atmosphere, and cellular respiration puts it back.
C. Photosynthesis produces excess water, and cellular respiration uses water.
D. Photosynthesis removes oxygen from the atmosphere, and cellular respiration puts it back.
Answer:
B. Photosynthesis removes carbon dioxide from the atmosphere, and cellular respiration puts it back.
what are the production characteristics of hampshire swine?
They have erect ears. The belt is a strip of white across the shoulders that covers the front legs around the body.
9. How are humans changing the soundtrack to the oceans?
Answer:
human-driven noise
Explanation:
The international team of researchers found human-driven noise – including vessel noise, coastal development, exploration, naval operations, dredging, pile driving, and deep-sea mining – is changing the natural soundtrack, and further disrupting the behaviour, reproduction and physiology of marine life.
Into which part of the bacteria cell is the human gene for insulin inserted?
Answer:
plasmid
Explanation:
plasmid
The human insulin gene is inserted into each plasmid. The plasmid acts as a vector - it is used to transfer DNA from one organism to another. Bacterial cells are made to take up the genetically modified plasmids.
In the example of the predator/prey web in the grassland community on Bylot Island, a rise in the snowy owl population would have what effect on the snow goose
Predator/prey web relationship is found in all ecosystem. A rise in the snowy owl population would have what effect on the snow goose in that The snow goose population would rise due to lemming, and subsequently fox, populations declining.
Food webs often has predator/prey relationships. They show the direct relationships in ecosystems such as the predator-prey relationships. Predators includes big cats such as cheetahs and lions. They often hunt prey in temperate grasslands.In North America, predators such as wolves, coyotes and foxes mostly hunt for mice, rabbits and deer.
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please help me last question!
Answer:
statement A is correct.... the glucose product in the photosynthesis is the substrate for respiration
what is the name of the part of an eukaryotic cell that contains digestive enzymes,which break down complex molecules into simpler ones or destroy or damage unwanted cells?
a. Lysosome
b. Golgi apparatus
c. Mitochondria
d. nucleus
Answer:
a. Lysosome
Explanation:
Choose. The correct answer
Answer:
1.d
2.b
3.a
4.d
5.c
6.b
7.d
8.c
9.a
10.c
Explanation:
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Which of the following materials is a good electrical conductor?
rubber
ceramic
plastic
copper
Answer:
copper
Explanation:
Copper has the best electrical conductivity of any metal, except silver. A good electrical conductivity is the same as a small electrical resistance. An electric current will flow through all metals, however they still have some resistance, meaning the current needs to be pushed (by a battery) in order to keep flowing.
list the steps of reasoning that Darwin gave to explain the process of natural selection
Answer:
variation,inheritance,high rate of populations growth,differential survival and reproduction
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write the protein formed from the following DNA strand. TACGCGASSTTAGAT
Answer:
These proteins are VirD2, a single molecule of which is covalently linked to the 5′ end of the T strand (8, 12, 15, 30, 32), and VirE2,
Explanation:
Which of the following is a biotic limiting factor? a. Fire b. Earthquake c. Hurricane d. Predators
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True or False: Because the microbiome is important for fitness, many organisms have developed specific strategies for passing the microbiome on to progeny.
The statement 'because the microbiome is important for fitness, many organisms have developed specific strategies for passing the microbiome on to progeny' is TRUE. It is natural selection in action.
According to the evolutionary theory proposed by Darwin, natural selection is the mechanism by which species change (evolve) to adapt to particular environmental conditions.
In this case, the microbiome represents an evolutionary adaptive mechanism, thereby natural selection will tend to favor individuals that have a beneficial microbiome.
In consequence, individuals having a beneficial microbiome will have more chances to reproduce and survive (i.e., they have higher adaptive fitness), thereby they also have more chances to pass this adaptive trait to the next generation.
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