Answer:
Like DNA, RNA can store and replicate genetic information; like protein enzymes, RNA enzymes (ribozymes) can catalyze (start or accelerate) chemical reactions that are critical for life. One of the most critical components of cells, the ribosome, is composed primarily of RNA.
Place the terms into the correct column that describes the reactions of photosynthesis.
Answer:
Thylakoids are assembled into stacks. ... The outcome of light reactions in photosynthesis is the ... The energy carriers that move from the light-dependent reaction to the ... Which statement correctly describes carbon fixation?
What kind of water is found in the benthic zone of a lake?
A. Shallow with many tide pools
B. Shallow with rooted plants
C. Warm and dense
D. Cold and dense
Answer: D
Explanation:
The kind of water found in the benthic zone of a lake is Cold and dense. The correct option is D.
What is the benthic zone of a lake?The benthic zone, which includes the sediment top and some subsurface layers, is the ecological region at the bottom of a body of water, such as an ocean, lake, or stream.
Benthic zones are too dark to enable photosynthesis, which explains why. The region cannot get sunlight because of the depth of the oceans above it. In this manner, photosynthesis is prevented, preventing plants from growing. Only decomposers and detritus feeders are therefore present in the benthic zone.
This indicates that it may begin at a shallow depth of a few inches and eventually descend to a depth of 6,000 meters as it crosses the abyssal plain at the ocean's bottom.
Therefore, the correct option is D. Cold and dense.
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Sharon had been ill for five days. When her mother took her to the doctor, the doctor decided not to prescribe an Antibiotic; he said Sharon had a virus. Why did the doctor NOT prescribe an Antibiotic? a. Antibiotics target only White Blood Cells. b. Antibiotics are not used to fight any infections. c. Antibiotics cause fevers that make Viruses stronger. d. Antibiotics kill some Bacteria and Fungi and are unable to treat Viruses.
Answer:
d. Antibiotics kill some Bacteria and Fungi and are unable to treat Viruses.
Explanation:
Antibiotics are only used to kill bacterias or to decrease their reproductive rate by difficulting their growth and reproduction.
Also, some antibiotics might be used o treat infections caused by some fungi and parasites (but not all of them).
To remember this, you can just think about its name. Anti- means against, biotic- means life. These are substances used to attack certain living beings, such as bacteria. As viruses are not alive cells (they are DNI + proteins), antibiotics have no effect on them.
What order do they go in?
Answer:1 3 2 4 5
Explanation:
Explain the process of ionic bond formation between potassium and bromine?
Answer:
K donates, or transfers, one electron to bromine, which has 7 electrons. Both K and Br are now stable with 8 electrons. K becomes a positive ion and Br becomes a negative ion. The positive K ion and the negative Br ion attract each other to form an ionic bond.
Explanation:
pls mark me brainiest
Answer:
Potassium has 1 valence electron and bromine has 7 valence electrons, meaning potassium to lose 1 and bromine needs one more valence electron. So, potassium would donate the one valence it has and give it to bromine so bromine has 8 valence electrons and so does potassium.
Explanation:
Which zone of the ocean can be above or below water, contains waves, and has varied salinity and temperature?
neritic
intertidal
open-ocean
deep ocean
Answer:
intertidal
Explanation:
intertidal it is your answer
Answer:
intertidal
Explanation:
ATP transports and releases energy within cells that can be used for many cellular processes. How does ATP make this energy available to the cell?
Answer:
Chemical energy that is stored in the food molecules such as sugars are converted into the chemical energy that is available for the cell to perform various cellular functions, it is stored in ATP known as the currency of the cell.
ATP has three phosphate groups attached to adenosine by a phosphoanhydride bond. When a cell requires energy it loses the third phosphate group and releases a huge amount of energy stored in the phosphoanhydride group and form ADP.
When the second phosphate group is lost by breaking the bond again energy is released again left AMP. The breaking of this bond takes place due to hydrolysis reaction
When a thing gets hotter, its molecules are moving faster and have more kinetic energy TRUE OR FALSE
Answer:
True
Explanation:
I think that’s true:)
Similar rock formations have been discovered in the United States and Morocco.
These rock formations were formed at the same time and are made of the same
types of rocks. What could explain how these rocks got so far apart?
Answer: The United States and Morocco are parts of different plates. The plates slowly moved far apart as soft, solid rock from underneath got added to the edges of the plates over millions of years.
Explanation:
Unites states and Morocco show to have same types of rocks which are formed at the same time. This is a result of continental drift and different parts of plate pushed by earthquake.
What is Continental drift?The Continental drift is the hypothesis which illustrates that the Earth's continents have moved over the geologic time period relative to each other. Thus, the rocks found appears to have drifted apart across the ocean bed and reached different geographical locations.
The movement of continents in the continental drift results from the motion of the tectonic plates present in the Earth. The United States and Morocco are discovered to be the parts of different plates. The plates which were pushed far apart by earthquakes a long time ago, and soft, solid rock from underneath got added to the edges of these plates which lead to the formation of different continents.
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Which statement best describes enzymes? A) Every enzyme controls many different reactions. B) The rate of activity of an enzyme might change as pH changes. C) Temperature changes do not affect enzymes. D) Enzymes are produced from the building blocks of carbohydrates.
Answer:
the answer is B
Explanation:
Every enzyme can control one or more types of reaction whereby the rate of activity of an enzyme will be influenced by PH and temperature.
In all forms of life, which molecule codes information about physical traits? A large molecule called ____ codes information about physical traits. The units of information in that large molecule are called ____.
Answer:
macromolecules,polymer
Answer:
1. deoxyribonucleic acid, 2. genes
Explanation:
just did it
which one has a curved shell domed tortoises or saddle back tortoises?
Answer:
Domed tortoises
Explanation:
It's in the name - 'dome'
At a convergent plate boundary of TWO continental plates, what
landform is made?
trench
O valley
mountain
earthquake
O volcano
what is the definition of adenine
Answer:
it's a noun a compound which is one of the four constituent bases of nucleic acids. A purine derivative, it is paired with thymine in double-stranded DNA.
Explanation:
During photosynthesis, there is a transformation of energy. The energy used is _____ and the energy made is ______
Answer:
The energy used is light energy and the energy made is chemical energy.
Does growing biofuels increase the amount of greenhouse gas?
A myth( you might hear this everywhere but don't listen to it ): In terms of emissions, biofuels emit the same amount as gasoline or more.
A fact: Biofuels burn cleaner than gasoline, resulting in fewer greenhouse gas emissions, and are fully biodegradable, unlike some fuel additives. Cellulosic ethanol has the potential to cut greenhouse gas emissions by up to 86%.
Please mark me brainliest if Im right! :D
Answer:
A myth( you might hear this everywhere but don't listen to it ): In terms of emissions, biofuels emit the same amount as gasoline or more.
Explanation:
what does enzyme mean
Answer: a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
Explanation: can u help me by answering my two new questions
Question 3 of 5 Which two statements describe how soil horizons are formed?
Answer:
B: Dead plant material mixes with sediment.
C: Rock is weathered into smaller pieces.
Explanation:
Contrast how facilitated diffusion ia different from active transport
Answer:
Facilitated diffusion is the movement of a molecule from an area of high concentration to an area of lower concentration with the help of a protein channel or carrier. Active transport is the movement of molecules from areas of low concentration to areas where the molecule is found in higher concentration.
Explanation:
• What is a genetically modified organism/food? What was the first GM food commercially available?
• What benefits do GM foods offer to both the consumer and agricultural industry?
• What risks do GM foods present to consumers? (Ex: health, economic, etc.)
• What are the laws/regulations affecting GM foods in the United States?
• In your opinion, do consumers have a right to know if the foods they are buying contain GMOs?
• How are you personally affected by GM foods? If the foods you enjoy eating were genetically
modified, would you consider changing your diet?
Answer:
Genetically modified food is food whose genes have been modified in some way to bring more desirable traits
Explanation:
Some benefits GMOs
-Diesease and drought resistant crops
-Faster growing organism/faster food production
-Lower prices of food since more is being produced
-Decreased use of pesticides
It doesn't change anything if the food consuumers use are GMO or not. Most foods don't have to list every specific ingredient the purchaser is consuming, so why would they need to specify if GMOs are used when they are completely harmless?
Everyone is personally affected by GM foods/organisms. The food prices would be a lot higher if it wasn't for GMOs.
If the foods I enjoy eating were GMOs I wouldn't change my diet since there are no proven downsides to eating GM foods.
Choose True or False.
1) Tools are helpful to scientists because they use them to learn about organisms and diagnose problems.
A. True
B. False
2) Choose True or False.
Microscopes magnify or enlarge images of specimens so scientists can examine them with the human eye.
A. True
B.False
Answer:
Both are true
Explanation:
Describe the cycling of carbon in the carbon cycle as it passes through the living and non-living components of the ecosystem.(4 points)
The biogeochemical pathways by which the carbon content is maintained and balanced in the atmosphere and the earth is called the carbon cycle.
The purpose of the carbon cycle pathway through the living and non-living:The pathways depict the use of the carbon compound in different activities and sources through their natural origins. The main purpose of the cycle is to balance the carbon in the ecosystem of biotic and abiotic factors.
When the carbon passes through the biotic and abiotic factors the following takes place :Photosynthesis: the process by which the plants and other autotrophic organism produces food requires carbon dioxide as the main component and as a result yield glucose and oxygen important for living beings.Respiration: the process of inhaling and exhaling the gases from the organism is called respiration. The digested food and the inhaled oxygen in the organism's body release the carbon dioxide back into the environment.Decomposition: the dead plant's, microorganisms and animals, gets broken into the smaller organic and inorganic compounds that in turn releases the carbon dioxide into the atmosphere and the soil.Therefore, the carbon cycle goes on between the biotic and abiotic factors of the ecosystem.
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What is the purpose of a conclusion?
In order for photosynthesis to take place what must be present?
1. Sunlight
2. Oxgyen
Answer:
Sunlight
Explanation:
Cuz plants need sunlight for photosynthesis but plants throw out oxygen
Answer:
The Answer is Sunlight
Explanation:
Humans and other animals regulate cell growth and cell division. Sort these cells by category:
Muscle cells Nerve cells Skin cells Blood-producing cells Digestive tract cells Cells that do not divide once they have developed
Cells that grow and divide throughout life
Answer:
Two Categories:
Cells that do not divide once they have developed
-Muscle Cells
-Nerve cells
Cells that grow and divide throughout life
-Skin cells
-blood-producing cells
-digestive tract cells
Explanation:
The nerve cells and some of the muscle cells like cardiac cells do not divide once they have developed, while the skin cells, the smooth muscle cells, the blood-producing cells, and the cells of the digestive tract cells grow and divide throughout life.
• The nerve cells and the cardiac cells rarely or not at all divide once they get developed.
• Of the muscle cell types, the smooth muscles cells exhibit the greatest tendency to regenerate all through life. The smooth muscle cells exhibit the tendency to differentiate and can grow in different ways.
• The skin cells possess the tendency to regenerate and grow throughout their lives. The dead skin cells continuously elevate to the surface of the body and get shed off, and get substituted by the new skin cells.
• Blood-producing cells also possesses the tendency to grow and divide all through life, the blood cells range from less than a day to several days, and are produced spontaneously by the division of common stem cell in the bone marrow.
• The intestine of the digestive tract is the most regenerative organ of the human body, possesses the tendency to regenerate its lining, that is, the epithelium after every 5 to 7 days.
Thus, the cardiac cells and nerve cells do not divide once they get developed, while the smooth muscle cells, the nerve cells, the blood-producing cells, and the digestive tract cells grow and divide throughout life.
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Which genetic mutation caused Klinefelter's syndrome?
The cell membrane is to the cell as
A) the ocean is to the Earth
B) the atmosphere is to the Earth
C) a house is to the Earth
D a forest to the Earth
Answer:
I believe the answer is B
Explanation:
bc cell membrane, provides protection for a cell
Which of these is the primary site of protein synthesis?
Answer:
Ribosome
Explanation:
Ribosome is a sub cellular structure, that is involved in protein synthesis.
Mitochondria is a sub cellular structure, where cellular respiration takes place, therefore it is called the energy house of the cell.
Cytoplasm is a jelly like structure in which sub cellular structures are found.
Nucleus is the main part of the cell in which all cellular activity is controlled by.
It contains DNA and RNA.
Nucleus is mostly known for it's thread like structure that contains hereditary information which is passed from parents to offspring.
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The primary site of protein synthesis is the ribosome, because the ribosome carries out the protein synthesis of both types, such as secretory proteins and cytoplasmic proteins.
What is the role of the ribosome?The ribosomes are present in both the prokaryotes and the eukaryotes in the cytoplasm, and in the case of the eukaryotes, some of the ribosomes are present on the rough endoplasmic reticulum. The main function of the ribosome is to carry out translation, which is the protein synthesis process, and the protein can either enter the other cell organelle such as the nucleus, be present in the cytoplasm, or exit the cell.
Hence, the primary site of protein synthesis is the ribosome, because the ribosome carries out the protein synthesis of both types, such as secretory proteins and cytoplasmic proteins.
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The question is incomplete, the complete question is the below
Which of these is the primary site of protein synthesis?
mitochondria
cytoplasm
nucleus
ribosomes
A DNA strand has mutated! What type of mutation has occured?
Original: TAC TTT CAT GAT ACT
New: TAC TTT CCA TGA TACT
Your answer:
O Substitution
O Deletion
O Insertion
O Inversion
Answer:
b
Explanation:
What is chemosynthesis?
How do chemosynthetic organisms get energy? Some examples of organisms
include colorless sulfur bacteria, iron bacteria, and giant tube worms.