Answer:
An atom has all of the characteristics of an element, parts are neutrons, protons, electrons
Trees that lose their leaves during winter are called
A. Deciduous
B. Fern
C. Herbacious
D. Woody
E. Evergreen
Answer:
a. deciduous
Explanation:
hope this helps :) have a great day.
Mitosis Notes
Biology
Interphase
• DNA is _________________ (# of chromosomes doubles)
• DNA appears as ______________________ (chromatin) at the start, but change to __________________________ at the end of this phase.
Prophase
• __________________________ (cell begins to divide)
• ___________________ appear and begin to move to __________________ ________________________ of cell (only in animal cells)
• ____________________________ form between the poles (made of microtubules)
• ____________________________ starts to disappear
Metaphase
• ________________________ attach to the spindle fibers at the ________________ of the cell.
Anaphase
• ______________________________ when the ____________________________ and begin to move to opposite ends of the cell (spindle fiber ___________________).
Telophase
• ______________________________________
• Chromosomes appear as ________________________
• Spindle fibers _______________________ and disappear
Cytokinesis
• Cell membrane moves inward to create __________________________ - each with its own nucleus with __________________________
Control of the Cell Cycle
• Controlled by enzymes called _________________ and _____________________________ _______________________
1. ________________________________ (G1): decide whether the cell will divide
2. ________________________________ (G2): checks DNA replication
3. ________________________________ (M): triggers exit from mitosis
Cancer
• ___________________ division of cells
• Cancer cells ______________________________ to the body’s control mechanisms.
Apoptosis
• Programmed ______________________________
• Cells that are no longer _____________________
• _________________ fingers and toes
• __________________ cells
• _________________ leaves
Stem Cells
• _______________________ cells that can be programmed to develop into ________________________ cells
• ______________________ - 100-150 stem cells
• Adult stem cells – also called __________________ stem cells
Answer:
the firat one is 24 i think....
Which can disrupt the cell cycle?
mutation
O GO phase
O replication
O cancer
Answer: Mutation
Explanation:
Got it right on Edge 2020
photosynthesis involves the transformation of light energy into
a. kinetic energy
b. chemical energy
c. mechanical energy
d. hydroelectric energy
HELLPPPPPP
Answer:
B. chemical energy
Explanation:
kinetic energy is moving energy, which has nothing to do with plants
mechanical energy has nothing to do with organic life
hydroelectric energy is energy made from presser which is not made from plants
Will mark Brainliest!
The sequence of bases on one DNA strand (one side of the DNA ladder) is AGCTCAG. What is the sequence of the bases on the opposite strand?
What direction will the unseen roots go in each image when the pot is
knocked over and put back up over time.
Answer:
left and right
Explanation:
Which change would be considered a short-term environmental change? Check all that apply. an ice age an El Niño storm a small asteroid impact a tsunami mountain building
Answer:
i think b, c, and d
Explanation:
An ice age an El Niño storm is considerd to be short term enviornmental change.
What is short term change?Short-term thinking and long-term implications conflict when it comes to climate change, which affects both corporations and governments. Assessing the risks and taking action before failure has permanent economic and environmental repercussions are necessary in order to meet the challenge of climate change.
Short-term thinking and long-term implications conflict when it comes to climate change, which affects both corporations and governments. Assessing the risks and taking action before the failure-related economic and environmental consequences become irreversible are both necessary in order to meet the challenge of climate change.
Therefore, An ice age an El Niño storm is considerd to be short term enviornmental change.
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How does the nervous system help you to survive?
Answer: The nervous system helps all the parts of the body to communicate with each other
Explanation:
What is the relationship between mutation, natural selection, and adaptation?
Explanation:
well a mutation in my opinion is genetic change that happened in the animal this could be beneficial or may not be. natural selection is a process that ensures only the best of the species survives and more of them will produce because all of the flawed ones will die off. adaptaion is when a plant or animal adapts to its surrounding over time they may develop a charterisric that will help them thrive. all of them tie togethor
blood enters on the left side of the heart through the_____ and enters the left atrium. Then passes through the_____ to enter the left ventricle 
Blood enters on the left side of the heart through the pulmonary veins and enters the left atrium. Then passes to the mitral(bicuspid valve) to enter the left ventricle.
Blood is a fluid component of the circulatory system that is very vital for transporting oxygen and nutrients in the body system. It comprises cells suspended in plasma.
The correct answers for the blanks are:
Blank 1: Pulmonary veinsBlank 2: Bicuspid valveThe blanks can be explained as:
The left side of the heart has an atrium that gets the oxygenated blood from the lungs through the pulmonary veins.Oxygenated blood from the left atrium flows to the left ventricle.Blood from the left ventricle flows to the aorta that distributes the oxygenated blood to the body parts.To learn more about the path of the circulatory system follow the link:
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How would someone with diabetes know they need medical help?
You may be diagnosed with diabetes because you go to the doctor for: persistent infections or a slow-healing wound. complications that are associated with prolonged high blood sugar levels, such as numbness or tingling in your feet. heart problems.
i need help with this can someone help me?
Explanation:
Predation plays an important role in the overall health of an ecosystem since it regulates the population of preys as well as maintain the population of higher-level consumers. If predators were eliminated from an ecosystem, it would cause an increase of the population of preys and potentially decrease the population of other organisms on lower trophic levels. An example of such effect can be seen from the population of rabbits and plants supposing that foxes, eagles and snakes are eliminated from the ecosystem. The rabbit population will multiply, causing a decrease in the population of plants such as grass that rabbits feed on.
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Mistletoe is a green plant that can make its own food, but also derives food from the mesquite tree on which it lives. In this way mistletoe is able to steal water and valuable minerals from the tree. 1. What is the advantage and disadvantage of this relationship to each organism? 2. What would happen to the mistletoe population if mesquite trees increase in number? 3. What type of symbiosis is this?
Answer:
1. Mistletoe is parasitic to the mesquite tree, it steals from the tree without giving anything valuable back to it. In this case, only the mistletoe gains an advantage.
2. If the mistletoe population on the tree were to increase, the mistletoe would probably end up slowly killing the tree. I say this because its a parasite to the tree. Its constantly stealing water and valuable minerals that it needs and doesnt give back anything that could help the tree. With all the water and minerals being stolen and an uneven rate with no way for the tree to replenish it all quickly enough it'll die.
3. Its parasitic since the mistletoe just takes and takes harmfully
Mistletoe plant is a parasite on the mesquite tree as it takes all the valuable minerals and water from the plant and does not give anything valuable in return to the mesquite tree.
What is Mistletoe plant?
Mistletoe plant is a parasite on the mesquite tree, it steals water from the tree without giving anything valuable back to it. In this case, only the mistletoe gains an advantage.
If the mistletoe population were to increase on the tree, the mistletoe plant would probably end up killing the mesquite tree. This is because it is a parasite to the tree. It is constantly stealing water and valuable minerals from the tree which it needs and doesn't give back anything valuable that could help the tree.
It is a parasite plant since the mistletoe plant just takes all the valuable minerals and water from the tree and thus is harmful.
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Why are mountain ranges and polar ice caps not easily classified into a major biome?
Answer:
Because they are not easily defined in terms of a typical community of plants and animals, mountain ranges and polar ice caps are not usually classified into biomes.
Explanation:
After swimming in the pool for 2 hours, your friend starts to complain because his fingers and toes are wrinkled. Use the concept of osmosis to explain why. Be sure to include the following in your explanation: The terms hypotonic, isotonic, and/or hypertonic (as well as what they mean) • The overall direction of water movement and reason why • How the movement of water causes his fingers and toes to change • A picture if necessary
Answer:
Explanation:
Osmosis is the spontaneous movement of molecules from low concentration to high concentration. The finger is hypertonic to the swimming pool, which means that it has a higher osmotic pressure. The pool is hypotonic to the finger, which means it has a lower osmotic pressure. Because osmosis goes from low to high concentration, water will seep into the finger, causing it to swell and become wrinkly. This balances out the concentration on both sides of the semipermeable membrane (skin on the finger) and makes them isotonic, meaning they have the same concentration.
Enzymes affect chemical reactions in living cells by changing the
Answer:
Biological catalysts in the living organism .
Explanation:
In living organism, enzymes speed up the rate of chemical reaction by lowering the activation energy thereby bringing the reactants close to each other and weakened their chemical bonds which will enable the reactions to be faster.
Which of the following best describes a DNA molecule
Double helix
Made of amino acids
Contains ribose
Constrain uracil
Answer:
Double Helix because thats how DNA looks like
Explanation:
!!I NEED HELP!!
What is a benefit to utilizing fusion reactions instead of fission reactions?
A)Fusion reactions do not require any kind of radiation shielding to prevent exposure.
B)Fusion reactions do not produce harmful radiation and transuranium nuclides.
C)Fusion reactions can proceed in any temperature range.
D)Fusion reactions are easier to control and regulate.
Answer:
B)Fusion reactions do not produce harmful radiation and transuranium nuclides.
Explanation:
___________
The benefit of utilizing fusion reactions instead of fission reactions is that the fusion reaction does not produce harmful radiation and transuranium nuclides. Thus, the correct option for this question is B.
What is meant by Fusion?Fusion may be defined as a type of process that significantly involves the combination of two or more atoms or molecules in order to form one larger molecule. This type of reaction normally occurred in nature as compared to fission.
The process of fission involves the disintegration of numerous smaller molecules or atoms from a larger one. This creates a lot of long-lived radioactive substances in nature that are harmful to live organisms. These types of reactions are not favored by nature.
Therefore, fusion reactions do not produce harmful radiation and transuranium nuclides are the benefit of utilizing fusion reactions instead of fission reactions. Thus, the correct option for this question is B.
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Carbon exists in the atmosphere as a(n):
a.Free atom
b.Chemical
c.Liquid
d.Gas(CO2)
Answer:
gas
Explanation:
Answer:
its D gas
Explanation:
carbon dioxide is a greenhouse gas that works to trap heat close to earth
Can somebody help me ?
Answer: D
Explanation: Because when you look at the chart every arrow points to fungi and bacteria
Types of orchids grow high on the branches of the tall kapok trees of the jungle. This adaptation allows the orchid to receive enough sunlight to perform its photosynthesis but the kapok trees are unaffected.
commensalism
parasitism
mutualism
Answer:
A. commensalism
Explanation:
the tree isnt helped or harmed
The primary reason that osteoporosis accelerates after menopause in women is: * 2 points A. Increased osteoblast activity. B. Reduced levels of vitamin C. C. Diminished osteoclast activity. D. Reduced levels of circulating estrogens.
Answer:
The correct answer is D. Reduced levels of circulating estrogens.
Explanation:
Estrogens prevent the loss of calcium and ensure its proper mineralization, thus preventing the bones from becoming brittle, maintaining the consistency of the skeleton and preventing osteoporosis. Osteoporosis is a skeletal disease in which there is a decrease in bone mass density. Thus, the bones become more porous, the number and size of the cavities or cells that exist inside them increases, they are more fragile, they resist shocks worse and they break more easily. Menopause is the definitive cessation of ovarian function that, externally, results in the disappearance of the menses and usually occurs around 50 years (the interval goes from 45 to 55 years). It is the gradual loss of calcium in the bones, which accelerates in the first years of menopause due to estrogen deficiency. At the beginning of the disease, there are no symptoms and, as it progresses, there is a tendency to suffer fractures, which leads to a decrease in height.
All of the following affect the direction of wind motion EXCEPT
A) gravity
B) rotation of the Earth
C) friction with the ground
D) location of high and low pressure areas
Answer:
its gravity i believe
8. Which of the following organ systems function like a cell membrane in animal cells
a. Immune system
b. Respiratory system
c. Circulatory system
d. Reproductive system
Answer:
The answer is A.
Answer:
THE ANWSER IS A .ARK ME BRANLEST PLZ
A scientist is observing a gymnosperm. It is a desert shrub with needle-like leaves. The shrub has a deep root system and produces cones. Which gymnosperm is the scientist most likely observing?
A. She is observing a gnetophyte because, unlike other gymnosperms, gnetophytes can grow as shrubs in deserts.
B. She is observing a gnetophyte because, unlike other gymnosperms, gnetophytes can have needle-like leaves and deep root systems.
C. She is observing a ginkgo because, unlike other gymnosperms, ginkgoes can grow as shrubs in deserts.
D. She is observing a ginkgo because, unlike other gymnosperms, ginkgoes can have needle-like leaves and deep root systems.
Answer:The answer is B
Explanation:I took the test
The scientist is observing a gnetophyte because unlike other gymnosperms, gnetophyte can have needle-like leaves and deep root systems.
What are gymnosperm?'Gymnos' means 'n aked' and 's perm' means 'seed'.It reproduces by means of an exposed seed or ovule.They do not produce fruits and flowers.What are gnetophyte?They belongs to gymnosperm.Their leaves become needle-like to reduce transpiration.They are vascular plants.The reproductive structure are contained within cones.Hence, the correct option is B. She is observing a gnetophyte because, unlike other gymnosperms, gnetophytes can have needle-like leaves and deep root systems.
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I'M SORRY IF YOU KEEP SEEING ME BUT MY CLASSES END TOMORROW AND I NEED TO GET EVERYTHING DONE TONIGHTTTTT T^T
Answer:
I believe its b im not sure tho
How are the reactions of photosynthesis and Cellular respiration interconnected?
The reactions of photosynthesis and cellular respiration are interconnected, as the glucose produced by photosynthesis is consumed by animals in cellular respiration.
What is cellular respiration?Cellular respiration is a process of breaking down of food material into simpler forms in releasing energy.
Because oxygen and glucose are produced during photosynthesis from carbon dioxide and water, while water and carbon are produced during cellular respiration, the reactants of photosynthesis and cellular respiration are linked.
The ATP, which is energy transferred as a result of that process, results in the transmission of both water and carbon as byproducts.
Therefore, as the glucose created by sunlight is used by animals during cellular respiration, the reactions of photosynthesis and cellular respiration are interrelated.
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Which three gases are released into the atmosphere when volcanoes erupt?
radon, water vapor, carbon monoxide
radon, helium, nitrogen
nitrogen, water vapor, carbon dioxide
carbon dioxide, carbon monoxide, radon
Answer:
The answer is C.) nitrogen, water vapor, carbon dioxide
Explanation:
i got it right on the unit test
The three gases released into the Atmosphere when volcanoes erupt are nitrogen, water vapor, carbon dioxide.
What is volcanic eruption?Volcanic eruption refer to the process that lead to the released of lava or gases from volcanoes when the Earth crust or planetary bodies or Mass object ruptures which allow the movement of magma out of them.
Therefore, The three gases released into the Atmosphere when volcanoes erupt are nitrogen, water vapor, carbon dioxide.
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Can someone help me please, i cant find the answer to this question anywhere.
Answer:
light dependent reaction
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