Answer:
In the adult organism, mitosis plays a role in cell replacement, wound healing and tumour formation. Mitosis, although a continuous process, is conventionally divided into five stages: prophase, prometaphase, metaphase, anaphase and telophase.
Cell cycle has different stages called G1, S, G2, and M. G1 is the stage where the cell is preparing to divide. To do this, it then moves into the S phase where the cell copies all the DNA.
Explanation:
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The first line of defense involves which structure(s)?
T-cells
skin
blood
B-cells
Answer:
option 2, skin
Explanation:
Answer:
b skin
Explanation:
What is the difference between physical properties and chemical properties of matter?
A. physical properties are recognized when substances react with one another, while chemical properties do not change the composition of matter,
B. physical properties cannot be studied, while chemical properties of matter can be studied
C.physical and chemical properties are the same thing
D. physical properties do not change the composition of matter, while chemical properties can be recognized only when substances react or don't react with one another
can anyone answer 1&2 for me? :)
Answer: D A
Explanation:
You need to read and go by each one
Speckled trout and red drum both prey on mullet along the Texas coastline. Dead zones are caused by excessive nutrient pollution, along with other factors that deplete the oxygen from the water. What likely effect would increasing dead zones have on the populations of speckled trout, red drum, and mullet?
a
All three populations would increase.
b
Mullet populations would increase, but trout and drum populations would decrease.
c
Mullet populations would decrease, but trout and drum populations would increase.
d
All three populations would decrease.
Answer:
all three populations would decrease
Explanation:
Most likely effect would increasing dead zones have on the populations of speckled trout, red drum, and mullet, All three populations would decrease. Thus, option "D" is correct.
What is population density?This is a term that has to do with the population of humans that are living in a given geographical area.
Thus, option "D" is correct. All three populations would decrease.
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HELPS
(THIS PART IS TO GET EXTRA CHARACTERS, DONT PAY ATTENTION TO IT)
Answer:
C. Sex cells
Explanation:
The process shown in the figures is Mitosis, which is the division of cells that end in 2 identical daughter cells. Sex cells, however, do not go through mitosis as their offspring are genetically different; they go through a process called meiosis. The other cells listed are all somatic and therefore go through mitosis, so C must be correct.
Answer:
D. Muscle Cells because my sister is a 6th grader she told me the answer
Explanation:
give an example of something that might stop a cell from checking things during the cell cycle
Answer:
A checkpoint is one of several points in the eukaryotic cell cycle at which the progression of a cell to the next stage in the cycle can be halted until conditions are favorable. ... The G2 checkpoint ensures all of the chromosomes have been replicated and that the replicated DNA is not damaged before cell enters mitosis.
A mutation in a tumor suppressor gene may stop a cell from checking things during the cell cycle.
Tumor suppressor genes are normally expressed genes that control the progression of a cell through the cell cycle.These genes (tumor suppressor genes) act to repair mutations that occurred during DNA replication, slow down cell division, activate programmed cell death pathways (i.e., apoptotic pathways, etc).For example, p53 is a tumor suppressor gene capable of controlling cell division rate by keeping cells from proliferating in an uncontrolled manner.In consequence, mutations of the p53 gene are often observed in cancer cells that lost their ability to regulate the rate at which they grow.In conclusion, a mutation in a tumor suppressor gene may stop a cell from checking things during the cell cycle.
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The maximum height of the largest peaks in the Himalayan mountain range exceeds 8000 meters, while the highest mountain peaks of the rocky mountain are slightly above 4000 meters. what explains the difference between the maximum heights for the two mountain ranges? select all that apply.
a) the rocky mountains are older and have been subjected to greater weathering erosion
b) the rocky mountains have formed more recently and have been subjected to less geologic deposition
c) the Himalayan mountains have formed long ago and have been subjected to more sedimentary deposition
d) the Himalayan mountains have more recently formed from geologic uplift as two continental plates collided
e) both mountain ranges were formed at the same time, but increased volcanic activity near the rocky mountains decreased their maximum elevation
Answer: A, D
Explanation: i just did it
How can G and cloning be used in medical science
Answer:
for testing differnt cures on animals
Explanation:
Why are archaea in a different domain from bacteria?
A. They are multicellular, but bacteria are unicellular.
B. They are thought to have separate paths of evolutionary
development
C. They are able to perform endosymbiosis, but bacteria are not.
D. They have no similar characteristics.
Answer:B
Explanation:
Archaea is in a different domain from bacteria because they are thought to have separate paths of evolutionary development. Therefore, the correct statement is option B.
What are the differences between archaea and bacteria domains?Archaea and bacteria are both prokaryotic organisms, but archaea are more closely related to eukaryotes than bacteria. Archaea have unique lipid membrane and cell wall components that are different in composition than those found in bacteria.
These differences suggest that archaea and bacteria evolved to have separate paths of evolutionary development early in the history of life on Earth and then classified into Archaea and Bacteria domains.
Based on the phylogenetic tree constructed by researchers, the tree has classified life into three domains which are Archaea, Bacteria, and Eukarya These domains are based on their fundamental genetic and biochemical differences.
Therefore, archaea and bacteria are in a different domain because they followed separate paths of evolutionary development.
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What is the answer to this?
Answer:
1.84 × [tex]10^{8}[/tex]
Explanation:
(2.0 × [tex]10^{8}[/tex])-(1.6 × [tex]10^{7}[/tex])
we need to make the powers the same in order to minus
(2.0 × [tex]10^{8}[/tex])-(0.16 × [tex]10^{8}[/tex]) →1.84 × [tex]10^{8}[/tex]
What might happen if the number of chromosomes within the cells did not change but new daughter cells were still made? (meiosis)
Answer:
No fertilization occurs.
Explanation:
No zygote is formed if the the number of chromosomes within the cells did not change or remain the same i.e. diploid because for the production of zygote, half number of chromosomes are required in both male and female sex cells or gametes. If the chromosomes are half in both gametes so they fuse with each other forming zygote having diploid cell so we can conclude that for the happening of fertilization process, half number of chromosomes in gametes is necessary if not, no fertilization occurs.
The energy from sunlight is directly used by the plant to
A. absorb carbon dioxide.
B. split water.
C. suck up water through the roots.
The energy from sunlight is directly used by the plant to :
=》split water molecules,
splitting of water molecules during photosynthesis is done by solar energy absorbed through chlorophyll.
Poor people in the United States A) have longer life expectancies B) have children that are at much greater risk of dying during their first year of life C) receive more preventive medical and dental checkups than do members of the middle class because of welfare benefits D) are at greater risk for heart disease and cancer than more afiluent persons w
which involves producers, consumers, and decomposers?
the water cycle
nitrogen fixation
evaporation
the carbon and oxygen cycles
Describe the motion along the San Andreas Fault.
Answer:
The San Andreas Fault is a continental transform fault that extends roughly 1,200 kilometers (750 mi) through California. It forms the tectonic boundary between the Pacific Plate and the North American Plate, and its motion is right-lateral strike-slip (horizontal).
What phylum does green algae belong in
Answer:
Phylum Chlorophyta
Explanation:
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Volume of the large cube is 7.506 x 10 mm. The volume of each small cube is 2.78 X 104 mm'. How many small cubes make up the large cube?
Answer:
27
Explanation:
The_____is a large, oval structure that directs all of the cell's activites.
Answer:
The answer is a nucleus.
Explanation:
The nucleus is a large, oval structure that directs all of the cell's activities.
The single MOST important factor contributing to the modern-day extinction of hundreds of species on Earth is
a
habitat destruction.
b
greenhouse effect.
c
acid rain.
d
invasive species.
Answer:
A, habitat destruction.
Answer:
habitat destruction
Explanation:
hanita destruction contributes the most in loss of biodiversity these days
where does mold come from
Answer:
Mold will grow in places with a lot of moisture, such as around leaks in roofs, windows, or pipes, or where there has been flooding. Mold grows well on paper products, cardboard, ceiling tiles, and wood products. Mold can also grow in dust, paints, wallpaper, insulation, drywall, carpet, fabric, and upholstery
Answer:
Mold comes from wetness.
Explanation:
When there is enough moisture and just enough light, mold will grow. In fact, mold is classified as a type of plant: fungi.
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People who have leukemia, cancer that affects white blood cells, are often given Cytarabine. This drug inhibits the synthesis of DNA. Which phase of the cell cycle is most affected by Cytarabine?
AGAIN PLEASE DON'T ATTACH A LINK
Which statement best describes a bacterial cell?
А. It contains more than one cell.
B. It is a complete organism.
С. It is part of a larger organism.
D. It contains different kinds of cells.
correct answer gets brainiest. and i’m telling u. if u guess or leave a link, ur getting reported and that’s not a threat
Answer:
Blood circulation
Explanation:
I'm pretty sure. Thank you.
1. Identify the basic characteristics of a house cat and explain why it belongs in the domain Eukarya and the kingdom Animalia?
Answer:
House cats have a nucleus in their cells which is why its in the domain Eukarya. It belongs in the Kingdom Animalia because it's an animal, classed in it.
Explanation:
What is the author's main point of view on biomass?
A The United States should adopt biomass as its primary energy source.
B As a fuel source, biomass has many important benefits for today's world.
C Biomass produces too much air pollution to be widely adopted.
D Biomass was important in the past, but it is not practical for modern society.
Answer:
C Biomass produces too much air pollution to be widely adopted
What is the Complementary strand?
Original: UACUCAGGUUCA
Complementary strand:
Answer:
AUGAGUCCAAGA
Explanation:
because adenine always pair's with thymine and cytosine with guanine. you can also remember it as Apple Tree and Car Garage.
Some antibiotics work by disrupting ATP production in bacteria. Which of the following will the bacteria lack when ATP production is disrupted?
A. genetic material for reproduction
B. energy to perform life processes
C. nucleic acids to make proteins
D. cytoplasm to diffuse oxygen
When there is a lack of bacteria at the time when ATP production is disrupted so here the energy is performed. Hence the option b is correct.
Reason of lacking bacteria:At the time when there is some kind of antibiotics work is done by disrupting ATP production in bacteria.
So the lacking of bacteria at the time when ATP production is disrupted so it is because of the energy to perform the life processes.
hence, the option b is correct.
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Summarize how atmospheric pollution affects living organisms and the environment by completing the chart below:
Answer:
when accur pollution is affect all living things include all living things
Explanation:
when happened atmospheric pollution the all life cycle is end even soil property
What do calories measure? mass sugar energy weight
Explanation:
Calorie measure heat energy. Hope you like my answer.
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Answer:
Its keen eye sight helps it to see prey from the sky
Explanation:
Second option, doesn't make sense because their white and brown feathers aren't used for camoflouge
Third option, bald eagles fly not swim
Fourth option, bald eagles use their beaks for critical tasks, such as building nests, catching food and preening.
