HI !!!! .^. Caroline here:
Answer:
True
Explanation:
Mitosis is the process in which a eukaryotic cell nucleus splits in two, followed by division of the parent cell into two daughter cells. The word "mitosis" means "threads," and it refers to the threadlike appearance of chromosomes as the cell prepares to divide
Hope I helped!! :)
Answer:
true
Explanation:
Mitosis is a process of nuclear division in eukaryotic cells that occurs when a parent cell divides to produce two identical daughter cells. During cell division, mitosis refers specifically to the separation of the duplicated genetic material carried in the nucleus.
Is it possible to generate the amount of energy radiated to Earth from the Sun using the
chemical processes that occur on Earth?
Answer:
yes
Explanation:
The Sun generates energy from a process called nuclear fusion. half of the energy of the sun that's directed at Earth passes through
When a stone is dropped into water, it disturbes the surface of the water, this is called
When a stone is dropped into water, it disturbs the surface of the water, and this is called "ripples" or "waves".
The disturbance caused by the stone creates waves that travel away from the point where the stone entered the water. These waves can be seen as ripples spreading outwards from the point of impact. The size and shape of the ripples depend on various factors, such as the size and weight of the stone and the depth and temperature of the water.
As the waves move away from the point of impact, they carry energy with them. This energy is transferred to the water molecules as the waves pass by, causing them to move up and down. The movement of the water molecules creates a wave pattern that can be seen on the surface of the water.
The ripple effect caused by a stone dropped into water is a simple example of how energy is transferred through a medium. It is also a common visual metaphor used to describe the way in which small actions can have large and far-reaching consequences, as the ripples caused by the stone continue to spread outwards in all directions, affecting everything in their path.
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(iv) Measles. Mumps, Diphtheria Polio odd one
Answer: The odd one one is diphtheria
Explanation:
There are very minute living organisms that are able to cause different diseases to human which are found in our environment. These are known are microorganisms. They include:
--> viruses
--> bacteria
--> fungi
These microorganisms are able to establish an INFECTION in its human host when it's able fight and overcome the body defence mechanism of the host.
Diphtheria is the odd one because it's an infection which is caused by BACTERIA organism while other options while includes measles, mumps and polio are caused by VIRUS microorganisms.
BACTERIA are the larger microorganisms with a very simple cell structure where the nucleus is not enclosed within a membrane. While VIRUS are the simplest and smallest microorganisms which do not have a cell structure.
Diphtheria is an infection caused by the bacteria microorganism known as the Corynebacterium diphtheriae. These bacteria are able to produce toxins which is its virulent factor that are poisonous to its host.
Measles is an infection caused by paramyxovirus.
Mumps is an infection caused by mumps virus
Polio is an infection caused by picornavirus.
Therefore, Diphtheria infection is the odd one out.
Select the best answer for the question.
2. What should you do if you're asked to do a task that doesn't make sense to you?
A. Consult with your pharmacy professor.
OB. You shouldn't do the task.
OC. Ask your supervisor.
COD. Do it anyway.
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Survival of populations through climate change demands biogeographic shifts, adaptation of populations, or local acclimatization of individuals. The results of this study show that acclimatization can allow A hyacinthus corals to acquire substantial high temperature resistance over a timespan shorter than can allow for evolutionary change. This study opens other research questions illustrating how science perpetuates udence Select all the questions that represent future research opportunities that stem from this study. Do current climate change models reflect biogeographic shifts, adaptation of populations, and local acclimatisation of individualu? Do all coral species have equal acclimatization ability in temperatures that exceed normal temperatures? Is there an upper water temperature limit to acclimatization or adaptation? Do multiple stressors (for example, pH and temperature change) reduce the ability of corals to respond to environmental change?
Evaluate the accuracy of current climate change models in reflecting biogeographic shifts, adaptation of populations, and local acclimatization of individuals.
Investigate the variability in acclimatization ability among different coral species in response to temperature extremes.
Determine the upper limit of water temperature that corals can acclimatize to and what happens if that limit is exceeded.
Study the impact of multiple stressors such as changes in pH and temperature on the ability of corals to respond to environmental change.
These questions provide a roadmap for further research in the field and help to deepen the understanding of the role of acclimatization in the survival of coral populations through climate change.
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In a healthy, functioning ecosystem, chemicals and nutrients are constantly recycled and reused
True or false
Chemoautotrophs:0000can produce their own food using chemicals instead of sunlight.are both producers and consumers.use chemicals to trap energy from sunlight.are found in extreme anaerobic environments.
Chemoautotrophs derive energy from inorganic chemicals. They nourish on chemicals that are excellent electron donors. They are the primary producers in ecosystems that form around hydrothermal vents and in hot springs. Chemoautotrophs are both aerobic and anaerobic organisms.
Answer - Option 1 - can produce their food using chemicals instead of sunlight
White blood cells engulf bacteria through what process?
Answer:
Phagocytosis
Explanation: Phagocytosis occurs in the scavenging white blood cells of our body. They prowl around looking for invading bacteria and viruses which they engulf and destroy. Pinocytosis ("cell drinking") is almost the same process as phagocytosis, except it involves liquids instead of solids.
Why do scientists believe Neanderthals had some interbreeding with AMHs?
Explanation:
However, in 2016 researchers published a new set of Neanderthal DNA sequences from Altai Cave in Siberia, as well as from Spain and Croatia, that show evidence of human-Neanderthal interbreeding as far back as 100,000 years ago farther back than many previous estimates of humans' migration out of Africa (Kuhlwilm Dec 11, 2020
What is most responsible for the presence of groundwater in an area?
Answer:
Explanation:
b
Answer:
Rainfall that has seeped through the soil's surface is what creates the groundwater that is found below the water table. Where the water table naturally meets the land surface, springs are created, enabling groundwater to rise to the surface and eventually flow into a river, lake, or stream.
Explanation:
Complete the statement below using the drop-down menus.
It is believed mitochondria evolved from
,
while chloroplasts evolved from
Mitochondria evolved from aerobic bacteria while chloroplasts evolved from cyanobacteria.
Mitochondria and chloroplasts likely evolved from engulfed prokaryotes that once lived as independent organisms. A eukaryotic cell engulfed an aerobic prokaryote, which then formed an endosymbiotic relationship with the host eukaryote, gradually developing into a mitochondrion.
Chloroplast evolutionarily derives from a primitive cyanobacteria that was engulfed by non-photosynthetic cells and, progressively, after losing most of its DNA, became the actual chloroplast that retains only a fraction of the original cyanobacterial genes. Chloroplasts of plants and algae are currently believed to originate from a cyanobacterial endosymbiont.
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ONLY ANSWER IF YOU KNOW!! NO SPAMS :)
Answer:
The answer is Mycellium.
Explanation:
Hope this helps! :)
Answer:
D
Explanation:
I'm pretty sure this is the answer
(Love your pfp btw)
Natural selection results in change over time by acting on traits that are
Natural selection results in change over time by acting on traits that are advantageous adaptive traits.
What are advantageous adaptive traits?Advantageous adaptive traits are nay phenotypic features that can be selected in a differential enviroment and show an enhanced ability for the organism to reproduce and or survive.
Therefore, with this data, we can see that advantageous adaptive traits are that they are advantageous to the organism in some way such as for example, a trait that helps an organism survive in its environment may be considered advantageous in these conditions.
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What best describes the role of molecular oxygen (O2) in cellular respiration? A. It is accepts electrons when reacting to form water. B. It combines with carbon and hydrogen to form glucose. OC. It is released when water breaks apart. D. It is released when glucose breaks apart. OE. It reacts to form carbon dioxide and water.
Answer:
D. It is released when glucose breaks apart.
Explanation:
In peas, round shape is dominant (R) over wrinkled (r) and yellow color is dominant (Y) over green (y). If both parent plants are heterozygous for both traits,
what is the probability of an offspring's phenotype being round and yellow?
HELP I NEED A NUMBER OUT OF 16
Answer:
9/16
Explanation:
RrYy x 2
Answer:
9 out of 16 (also 9/16)
Explanation:
Count the likeliness of the offspring to be round:
RR, Rr, rR, rr
round shape is 3 out of 4 times
Count the likeliness of the offspring to be yellow:
YY, Yy, yY, yy
yellow color is 3 out of 4 times
Multiply the likeliness of being round and being yellow (since they are two independent probabilities, we are using multiplication rule):
3/4 * 3/4 = 9/16
Make me the brainliest ;)
How do biologists define life, and what were the origins of life? ( Penn Foster )
Biologists define life as a characteristic of organisms that demonstrate growth, reproduction, adaptation, response to stimuli, and metabolism.
It is a complex system with a set of physical and chemical properties that distinguish living things from non-living things.Life on Earth is thought to have emerged around 4 billion years ago, through a process known as abiogenesis or biopoesis.
The origin of life has been widely debated over the years, but the leading scientific theory suggests that life emerged spontaneously from non-living matter in the form of a chemical reaction.There are two leading hypotheses about the origin of life on Earth: the "RNA World" hypothesis and the "Metabolism First" hypothesis.
Both theories rely on complex chemical processes that took place under certain environmental conditions, such as the presence of water, heat, and the presence of certain chemicals and minerals.Based on the available evidence, it seems that life emerged gradually over time through a series of chemical reactions.
These reactions led to the formation of simple organic molecules, which eventually combined to form more complex compounds such as amino acids and proteins. Eventually, these compounds came together to form the first living cells, marking the beginning of biological evolution.
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what usually accompanies a cold spell in minnesota?
3. Explain why red-green colorblindness is more common in males than females. Draw a
Punnet square that supports your answer
Because the genes that cause color blindness are found on the X chromosome, men are more likely to get the condition than women.
Which type of trait is color blindness which is more common in males than in females?recessive trait
The X chromosome is where color blindness is most frequently inherited as a recessive trait. In genetics, this is referred to as X-linked recessive inheritance. As a result, men tend to be affected by the illness more frequently than women (8% male, 0.5% female).
Why is colorblindness less common among women?Because of the minimal possibility that a girl will inherit both genes necessary for the illness, color blindness is uncommon in females. Red-green color blindness is far more common in males because just one gene is required for it.
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what separates the intracellular fluid from the extracellular fluid?
Answer:
cell membrane
Explanation:
hope it helps ❤
How does artificial selection differ from natural selection? Select all that apply.
A. During artificial selection, the mating pairs are selected by humans, not the organisms.
B. The outcomes of artificial selection are predictable.
C. Artificial selection requires variety in a population.
D. Artificial selection does not help a population adapt to its environment.
Answer: A
Explanation:
Artificial selection is the process by which humans choose individual organisms with certain phenotypic trait values for breeding.
3. What is this called?
Please I NEED TO KNOW
Answer:
wavelength i think
Explanation:
1. Which of the following is the largest object? *
The Earth
The Solar System
The Observable Universe
The Milky Way Galaxy
2. Which of the following is the smallest object? *
The Earth
The Sun
The Moon
The Solar System
3. The Milky Way Galaxy is smaller than the Solar System. *
True
False
4. Our solar system includes all of the following EXCEPT *
planets
a black hole
asteroids
comets
6. Light from distant galaxies is "redshifted" which means that those galaxies are *
moving away from us.
moving toward us.
not moving at all.
7. The light from distant galaxies is "redshifted" because the wavelengths of the light are *
compressed as the galaxies move toward us
compressed as the galaxies move away from us
stretched as the galaxies move away from us
stretched as the galaxies move toward us
8. Most scientists agree that the universe is ________. *
shrinking
collapsing
an illusion
expanding
9. What does CMB stand for? *
Cosmic Magnificent Beings
Cosmic Multiwave Background
Cosmic Microwave Background
Cheesy Microwave Burritos
Let’s go 10 points i need ASAP
Answer:
01.Which of the following is the largest object? *
The Earth?
The milky way galaxy
02.Which of the following is the smallest object?
The Solar system.
03. The Milky Way Galaxy is smaller than the Solar System.
false
04.Our solar system includes all of the following EXCEPT
a black hole
06.moving away from us.
07.compressed as the galaxies move away from us
08.shrinking
09.Cosmic Microwave Background
Answer:
1. Milky Way Galaxy
2. The Moon
3. False
4. A black hole
6. Moving away from us
Stretched as galaxies move away from us
8. Expanding
9. Cosmic Microwave Background
Explanation:
hope it helps you
Which group of scientists introduced the Three Domaine System?Aristotle and SocratesB. Fox and LinnaeusC) Woese and Fox
Solution:
The three-domain system is a biological classification introduced by Carl Woese et al (Fox). in the year 1990. In this classification, the cellular life forms are divided into the following 3 domains;
1. Archaea,
2. Bacteria and
3. Eukaryotes.
So that, we can conclude that the correct answer is:
C) WOESE AND FOX.
Very easy middle school homework please help
Answer: BO YOUR LAZY!
Explanation:
what is primary productivity
Primary productivity is the process where inorganic substance are synthesized by organisms to produce a simple organic materials.
Example: Diatoms,Dinoflagsllates and coccolithophores etc
The Grand Canyon is part of the geosphere, which includes rocks, minerals, and soil. How did living organisms become part of the rock layers in the Grand Canyon?
Living organism became part of the rock layers in the Grand Canyon during an ancient history of the human and animals inhabitance during the ice-age. As a result of the water erosion it can be deduced that some of the living orgaism in the area most have died and buried forming part of the rock sediment.
where is Grand Canyon?
The Grand Canyon can be located a mile-deep gorge in northern Arizona USA which is a product of an uplift. It was saturated by an ancient ocean that was home to numerous prehistoric animals.
What be found in Grand Canyon?
Some of the animals that can be found in Grand Canyon are:
desert bighorn sheep,mule deer, mountain lions, coyotes, gray fox, and a large variety of reptiles, birds and rodents.Although not only animals can be found there some human also reside there as native of American ( Havasupai ).
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Which statement best explains why this extrusion volcanic rock does not have visible crystals?
Answer:
C is the correct option.
Explanation:
Which antacid is the most effective in neutralizing acid ALKA SELTZER OR ROLAIDS?
Answer: alka-seltzer
Explanation:
it is calcium carbonate and is most potent and can completely neutralize stomach acid
Two individuals that are heterozygous for tongue rolling mate. What are the predicted genotypic and phenotypic ratios for this cross?
Answer:
Genotypic ratio = 1:2:1
Phenotypic ratio = 3 tongue rollers : 1 non-tongue roller
Explanation:
This question involves a gene coding for the ability to roll the tongue or not in humans. The allele for tongue rolling (R) is dominant over the allele for non-tongue rolling (r).
According to this question, two individuals that are heterozygous for tongue rolling mate i.e. Rr × Rr. The proportion of offsprings that will be likely produced from this cross will be: RR, Rr, Rr, and rr.
- Offsprings with RR, Rr, Rr are tongue rollers
- Offsprings with 'rr' are non-tongue rollers.
Hence, the predicted genotypic and phenotypic ratio are as follows:
Genotypic ratio = 1 RR :2Rr :1rr
Phenotypic ratio = 3 tongue rollers : 1 non-tongue roller
Which of the following is least involved in the mechanical breakdown of food, digestion or absorption of nutrients?A) large intestineB) the oral cavityC) the esophagusD) the small ingestion
C) the esophagus of the following is least involved in the mechanical breakdown of food, digestion or absorption of nutrients
What elements influence the mechanical breakdown of food for absorption or digestion?Meals are mechanically broken down by contractions of the segmental and peristalsis muscles. Enzymes produced by the salivary glands, stomach, pancreas, and small intestine help to break down food chemically.
Our bodies do not break down the fibre in plant foods while we are digesting them. Because fibre isn't digested, it doesn't provide us calories. Foods high in fibre may also be heavy in sugar, starch, or other types of carbohydrates.
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