Answer:
A File?
Explanation:
Help please! (physical science)
Answer:
A. yellow perch and striped bass
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Answer:
Oi, sou br sou br sou br
ESPERO TER AJUDADO VC
What two parts of cell are involved in cellular respiration
Answer:Most of the steps of cellular respiration take place in the mitochondria.
Oxygen and glucose are both reactants in the process of cellular respiration.
The main product of cellular respiration is ATP; waste products include carbon dioxide and water.
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PLZZ HELP! I will give brainliest
Answer: Ok then give it to me. ha
Explanation: u
At each level of a food chain, a lot of energy is lost. Only about
ten percent of the energy passes to the next level. Where does
the other 90% of the energy go?
Answer:
The amount of energy at each trophic level decreases as it moves through an ecosystem. As little as 10 percent of the energy at any trophic level is transferred to the next level; the rest is lost largely through metabolic processes as heat.
Explanation:
PPLLLLLZZZZ HELP
Describe the major events in the cell cycle. Begin at G1 and follow around the cycle through M
Answer/Explanation:
The cell cycle consists of interphase and mitosis (M). Within interphase, there are three phases: G1, S, and G2.
G1 phase - the first 'gap' phase.The cell grows in size, and synthesises the necessary mRNA and proteins required to divide. This is also where the key decision as to whether the cell will divide takes place. This is based on whether or not the environmental conditions are favourable for division and whether the cell is receiving the correct signals to divide. This is called the G1/S transition, and is the critical decision making point as to whether the cell cycle will progress.
S phase - the 'synthesis' phase. The cell replicates its DNA in preparation for passing the genetic material onto the daughter cells. Once the cell's DNA is replicated, it enters G2.
G2 phase - the second 'gap' phase. The cell continues to grow in size and prepare for mitosis. There is a DNA damage checkpoint here, where the cell ensures that the DNA has properly replicated. Next, it moves into mitosis (M).
M phase - the mitosis phase. This consists of 4 stages (PMAT) - prophase, metaphase, anaphase, telophase. The cytoplasm divides during cytokinesis
During prophase the chromosomes condense and pair up. The mitotic spindle forms, and the nuclear membrane disappears. During metaphase, the chromosomes line up at the centre of the cell - at the metaphase plate. The mitotic spindles attach to the chromosomes - to each sister chromatid.During anaphase, the sister chromatids are pulled apart to opposite poles of the cellDuring telophase, two new nuclei form, surrounding the two new sets of chromosomes. Cytokinesis then occurs, pinching the membrane to create two new cells.A unicellular organism has how many cells?
Answer:
A unicellular organism has one cell.
Explanation:
A unicellular organism consists of one cell.
The prefix 'uni - ' means one.
A multicellular organism has multiple cells ('multi -').
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A unicellular organism has only one cell. Unicellular organisms are composed of a single cell that carries out all the functions necessary for their survival.
Unlike multicellular organisms, which are made up of multiple cells organized into tissues, organs, and systems, unicellular organisms are complete and self-sufficient on their own. They are considered the simplest form of life.
The single cell of a unicellular organism contains all the structures and organelles required for essential life processes such as metabolism, reproduction, and response to stimuli. This includes the cell membrane, cytoplasm, genetic material (DNA or RNA), and various organelles like mitochondria, ribosomes, and nucleus (if present). The unicellular organism carries out all its life functions within this single cell.
Examples of unicellular organisms include bacteria, archaea, protozoa, and some types of algae. These organisms can live independently and carry out all necessary functions within their single cell. They can reproduce through cell division, where the parent cell divides into two identical daughter cells.
Overall, the characteristic feature of a unicellular organism is its simplicity, consisting of a single cell that encompasses all the structures and processes required for life.
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damage to which structure will most disrupt water balance within a single-celled organism
Answer:
cell membrane
Explanation:
Please help me!!!!!!!
Answer:
13) convergent
14)divergent
15)fault
Explanation:
what type of skills might be important in the field?
Answer:
good leadership, good copanisonship, and good working skills
Explanation:
the phosphate group are the polar part of phospholipid because they are what??
Answer:
A single phospholipid molecule has a phosphate group on one end, called the “head,” and two side-by-side chains of fatty acids that make up the lipid “tails. ” The phosphate group is negatively charged, making the head polar and hydrophilic, or “water loving.”
In a food web, which type of organism receives energy from every other food type?
Answer:
Decomposer
Explanation:
<3
Answer:
Called
Explanation:
Heterotrophs Meaning:
A heterotroph is an organism that cannot produce its own food, instead taking nutrition from other sources of organic carbon, mainly plant or animal matter. In the food chain, heterotrophs are primary, secondary and tertiary consumers, but not producers.
Ariana says, “Did you know water is hard”? What do you think she means?
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Answer:
A. Sound has longer wavelengths than light waves.
Write the complimentary DNA strand for: ATGGCC
Answer:
TACCGG
Explanation:
Recall that in DNA, there are two pairs, A goes with T and G goes with C, therefore the complimentary strand for ATGGCC is TACCGG.
I want both of these answered for brainliest
Answer:
A. exactly one solution
B. infinite many solutions
C. no solution
Page 2:
x = 3
Explanation:
water is boiled and steam is produced. this is a physical change because the water particles;
A. have turned into something new
B. are still water particles
C. have reacted with each other
D. have been destroyed
Answer:
B the answer is b
Explanation:
Water is boiled and steam is produced, which is a physical change because the water particles are still water particles, as they are in Option B, because the form is changed rather than the chemical nature.
What is the significance of the physical change?The physical change is significant as it is reversible, and these changes do not involve a chemical reaction, so the original substance can be altered by reversing the process, such as from ice to water. These processes are used in industrial processes to separate, purify, or refine materials; in cooking and food preparation, such as heating, freezing, and mixing, they are used to prepare food and change its texture, taste, appearance, etc.
Hence, water is boiled and steam is produced, which is a physical change because the water particles are still water particles, as they are in Option B, because the form is changed rather than the chemical nature.
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A group of organisms of the same species living together in a particular place is called ____?
Answer:
Population
Explanation:
common sense ig
which of the following is the large bone found inside the hoof?
A. navicular bone
B. short pastern bone
C. long pastern bone
D. coffin bone
Answer:
D: Coffin Bone
Explanation:
Which boundary has the greatest density change?
Moho
Liquid Solid
no way to know
O Glutenburg
Answer: Glutenburg
Explanation:
The earth subsurface is composed of distinct layers stacked on top of one another. The Layers are named and usually subjected to high temperature and pressure as the depth increases. The layers distinctly include ; the crust, the mantle and the core. The Glutenburg boundary exists between the mantle and the outer core . Hence, it exists at greater depth, hence higher density than the mohorovicic boundary which separates the mantle and the crust. The moho exists at a depth of about 35 km compared to Glutenburg which occurs at a far greater depth of over 2500km beneath the continental crust.
During which phase in the cell cycle does mitosis happen? *
Answer:
M phase
Explanation:
During the first phase, the cell grows and prepares for DNA replication, which occurs in the subsequent s phase. Further growth takes place in the G2 phase, and finally mitosis occurs in the M phase.
Which three processes happen as a multicellular organism grows?
A. Its cells take in water and nutrients
B. The amount of DNA in its body cells decreases
C. Its cells get larger in size
D. The number of cells in its body increases.
Answer:It is C D and A
Explanation:
Answer: C, D, and A
Explanation:
I need a sentence describing how volcanoes are created around the Ring of Fire. Using
all of these terms: convection current, subduction zone, plate boundary, oceanic plate, water, magma, and volcano.
Need Help ASAP!!
Answer:
the ring of fire was when the plate boundarys collided. this caused the oceanic plates to rise above the water. the convection and current cause the subduction zone to make a volcano and magma.
Explanation:
The ring of fire was caused by the collision of the plate boundaries. As a result, the oceanic plates moved upward, until they were above the water. Both convection and current are responsible for the formation of a volcano and magma in the subduction zone.
What is a volcano?A breach in the crust of a planetary-mass object, such as the Earth, can give rise to the formation of a volcano. This rupture makes it possible for molten lava, volcanic ash, and gases to escape from a magma chamber located under the surface. Volcanoes are most common on Earth at locations where two or more tectonic plates are moving in opposite directions, and the majority of volcanoes are found deep within the ocean.
Volcanic rock and ash make farmers' crops grow better. The volcano attracts tourists, boosting the local economy. Locals get free electricity from geothermal energy.
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8. Which activity is an example of a chemical change?
a)dissolving table salt in water
b)hammering aluminum into thin sheets
c)melting gold to make jewelry
d)burning wood to produce ashes
A current problem in modern medicine is the development of drug resistance mutations. This occurs when a mutation arises in a disease-causing microbe making it resistant to a drug and thus rendering the drug useless in treating a specific disease. Many useful drugs are competitive inhibitors of specific enzymes, and the drug-resistance mutations prevent the binding of the drug. These types of mutations, in addition to preventing competitive inhibitor binding, can also sometimes reduce the activity of the enzyme. Why is that the case?
a. Binding to the competitive inhibitor is essential for the function of the enzyme.b. These mutations most likely affect an allosteric site on the enzyme.c. These mutations lower the activation energy of the reaction catalyzed by the enzyme.d. These mutations most likely change the shape of the active site of the enzyme.
Answer:
d. These mutations most likely change the shape of the active site of the enzyme.
Explanation:
A competitive inhibitor competes with an enzyme substrate for the binding of the enzyme. When it binds, the enzyme substrate cannot bind unless the inhibitor is removed from the active site by some mechanism.
The ability of a competitive inhibitor of an enzyme to function is due to the fact that these inhibitors are structurally similar to the enzyme's substrate.
So when a mutation which also affects the activity occurs in a microbe, that renders it resistant to a drug serving as a competitive inhibitor of that enzyme in the microbe, most likely, this resistance is due to a structural change in the enzyme which changes the shape of the enzyme's active site. Therefore, both the drug as well as the enzyme's substrate, will be unable to bind to the enzymes active site.
What does age of maturity refer to?
Answer:
Coming of age, a very young person's transition from childhood to adulthood. Age of majority, the threshold of adulthood as it is conceptualized (and recognized or declared) in law. Puberty, the process of physical changes by which a child's body matures into an adult body capable of sexual reproduction.
Explanation:
Answer: The age of maturity refers to the change from childhood to adulthood.
Explanation: This means that a child is taking its first step into being an adult. Usually, this first happens during the process of puberty. Puberty occurs when you’re around 12 years of age. This is when your body starts to change into a more stronger, mature adult body.
explain how gravity will affect the growth of the plant's stem and roots
Answer:
Plants respond directly to Earth's gravitational attraction, and also to light. Stems grow upward, or away from the center of Earth, and towards light. Roots grow downward, or towards the center of Earth, and away from light.
Explanation:
Which type of digestion takes place when chunks of food are physically torn into smaller pieces?
A.) Absorption
B.) Chemical
C.) Elimination
D.) Mechanical
Answer:
a
Explanation:
digestion takes when breaking food in to smaller pieces is absorption
Match each item to its description.
What is a carbon reservoir and what are some examples?
Answer:
Carbon is in a constant state of movement from place to place. It is stored in what are known as reservoirs, and it moves between these reservoirs through a variety of processes, including photosynthesis, burning fossil fuels, and simply releasing breath from the lungs.
Examples-Rocks like limestone and fossil fuels like coal and oil are storage reservoirs that contain carbon from plants and animals that lived millions of years ago.
Explanation:
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