Answer: All cells share four common components: 1) a plasma membrane, an outer covering that separates the cell's interior from its surrounding environment; 2) cytoplasm, consisting of a jelly-like region within the cell in which other cellular components are found; 3) DNA, the genetic material of the cell; and 4) ribosomes
Explanation:
How do changes in stream flow affect the size and shape of a river delta?
Answer:
How do changes in stream flow affect the size and shape of a river delta?
Explanation:
HELP ME WITH THIS PLEASE I HAVE TO TURN IT IM TMR!!
Answer:
the answer is your mom&
Explanation:
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WORTH 100 POINT
Specialized cells are not genetically identical because they have different structures and functions.
True
False
The center of this image shows stem cells.
This particular stem cell is capable of becoming any specialized cell. What kind of stem cell is it?
pluripotent
bipotent
polypotent
multipotent
How does cell differentiation help our sequoia tree become so big?
Cell differentiation makes gametes that are genetically different in order to produce seeds for the next generation of sequoia trees.
Cell differentiation is a process that starts with a stem cell that becomes a specialized cell(s) to carry out the complex processes of life needed to sustain the sequoia tree.
Cell differentiation makes more cells to repair or replace dead or damaged cells, and it makes more cells to help the tree grow.
All of the above
Answer:
all of the above mentioned
To create gametes that are genetically distinct and produce seeds for the next generation of sequoia trees, cells differentiate. Thus, option D is correct.
What cell differentiation in sequoia tree become big?Because they live a very long time and develop swiftly, giant sequoia get so big. The Sierra snowpack, which builds up over the winter and soaks into the ground when it melts, provides the majority of the water that gigantic sequoia need to survive.
A stem cell undergoes a process called cell differentiation, in which it develops into a specialized cell or cells that can carry out the many biological functions required to support the sequoia tree.
Therefore, Cell differentiation produces more cells to support the growth of the tree and to replace or repair damaged or dead ones.
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Which compound is a reactant in cellular respiration? (1 point)
O carbon dioxide
O oxygen
O ATP
O water
Answer:
Oxygen
Explanation:
In cellular respiration, glucose and oxygen react to form ATP. Water and carbon dioxide are released as byproducts.
The complementary DNA sequence of AATTCG is:
Answer:
Complementary DNA sequence of AATTCG is: TTAAGC
In a DNA sequence A forms complementary double hydrogen bond with T & G forms triple hydrogen bond with C.
Both the nucleotide stands in DNA are antiparallel so they form complementary base pairs.
7.Name the stages of photosynthesis and explain them in brief.
What does Clark experiment supports the claim that mercury in heavier than water The instability of the air
Since mercury sinks to the bottom when placed in water, mercury is heavier than water.
What is density?The density of a substance is a measure of the compactness of the materials of the substance.
Density is defined as the ratio of the mass and volume of a substance.
Mathematically;
Density = mass / volume.The density of two liquid substances can be compared by observing the behavior of one liquid when it is placed in another.
When a liquid substance is placed in another liquid, if it is denser than that liquid, it will sink to the bottom of the other liquid. However, if the liquid is less than the liquid in which it is placed, it will float on the surface of that liquid.
When mercury is placed in water, it will sink to the bottom of the water, indicating that it is denser than water.
On the other hand, when water is placed in mercury, it will float on the surface of mercury indicating that it is less dense than mercury.
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How has the flow of carbon changed between the atmosphere and the ocean?
The flow of carbon between the atmosphere and the ocean changed in the following ways-
The concept sounded straightforward enough: the oceans would absorb more carbon dioxide the more it was released into the atmosphere by burning fossil fuels. The ocean would keep soaking up more and more carbon dioxide until ocean warming caused ocean circulation to shut down. When the water trapped at the surface became saturated, the ocean's uptake of carbon would slow down.
The ocean, however, also contributes to the slightly faster carbon cycle. Carbon dioxide gas dissolves in and ventilates out of the ocean in a constant exchange with the atmosphere at the surface, where air meets water. As soon as carbon dioxide enters the ocean, it combines with water molecules to release hydrogen, increasing the ocean's acidity. Bicarbonate ions are created when the hydrogen reacts with the carbonate left over from rock weathering.
Prior to the industrial revolution, the ocean released carbon dioxide into the atmosphere in an equal amount to the carbon it absorbed from rock weathering. The ocean now removes more carbon from the atmosphere than it produces, however, as a result of rising atmospheric carbon concentrations. The ocean will eventually absorb up to 85% of the excess carbon that mankind have added to the atmosphere by burning fossil fuels, but because the process depends on the passage of water from the ocean's surface to its depths, it will take millennia to complete.
The rate at which the ocean removes carbon dioxide from the atmosphere is in the meantime governed by winds, currents, and temperature. Over the few thousand years between the ice ages, it is likely that variations in ocean temperatures and currents helped take carbon from and subsequently restore carbon to the atmosphere.
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If hornless (H) in cattle is dominant over horned (h) and two homozygous cattle,
one hornless and the other horned are crossed, what will be the genotype and the
phenotype of the first generation?
Explanation:
We are given that H gene responsible for hornless in cattle is dominant over h gene for horned cattle .
The parents taken for cross are homozygous for their character, one horned and other hornless are crossed . The genotype would be HH and hh respectively.
For cross refer to the attachment.
From the cross we can see that,
The genotypic of all the offsprings for the [tex]F_1[/tex] generation is Hh . Since H is dominant over h therefore the phenotype would be hornlessnes for all the offsprings.Which cells are passed down from parent to offspring? *Circle all that apply.
1. Sperm cell
2. Nerve cell
3. Muscle cell
4. Egg cell
Sperm cells are passed down from parent to offspring.
Sperm cells shape in the course of the method called spermatogenesis, which in amniotes (reptiles and mammals) takes location withinside the seminiferous tubules of the testes.
The motive of a sperm mobileular is to be launched in the course of sexual sex and to in the end meet with an ovum (egg mobileular), that is produced through a biologically lady body. Once united, the sperm will penetrate and fertilise the egg with a view to create new genetic material.
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In your lab group, you combined vinegar and baking soda and observed the results shown in the picture. Which statement is true regarding light wave movement?
Answer:
Explanation:
The two products generate quite a reaction. When vinegar (dilute acetic acid) and baking soda (sodium bicarbonate) mix together, the pair "foams up" to produce carbon dioxide gas, as well as liquid water, acetate ions and sodium ions. The carbon dioxide gas is what produces the bubbles
what are the two components of the equation for the free energy stored in the proton gradient called?
The two components of the equation for the free energy stored in the proton gradient are :
ΔG = 2.3RTΔpH + FΔψ ΔpH= H+ concentration gradientΔψ= voltage difference (electrical potential)Both of these two independent variables (ΔpH and Δψ ) supply energy and individually contribute to ATP synthesis.
In a mitochondrial membrane, a proton gradient is created when the proton concentration is greater outside the inner membrane than inside the membrane. It develops as a result of the respiration's electron transport chain. Proton gradients drive ATP synthesis, which is carried out by the enzyme ATP synthase.
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Describe the climate of the Blue Ridge Mountains in Georgia
Include average temperatures in C° and annual precipitation in centimeters
The climate of Blue Ridge Mountains varies depending on the season. it ranges from 19°c in the summer and approximately 5°c during winter. The precipitation annually is between an average of 23 to 39 centimeters during the fall.
What is the climate of Blue Ridge Mountains in Georgia?Blue Ridge Mountains, Georgia has a climate that is dependent on its weather. Its temperature rises up to 19°c when it is summer time and goes as low as 5°c when it is winter.
Blue Ridge Mountains can see rain ranging from 23 to 39 centimeters which is about 9 to 15 inches a year during the fall.
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What is the theory of endosymbiosis? And evidence
how are human muscle cells different from the other cells
Human muscle cells are different from the other cells because these cells has multinucleated nature.
Why muscle cells are different in structure?The most obvious difference between muscle cells and the majority of other cells is their multinuclear nature. Depending on its size, a separate fiber may contain hundreds of nuclei. They are located just beneath the sarcolemma and seem to be randomly issued along the length of the fiber.
A single muscle cell contains many nuclei, which are thumbs against the cell membrane. A muscle cell is a long cell compared to other forms of cells, and many muscle cells join together to form the long fibers found in muscle tissue.
So we can conclude that Muscle cells are usually known as myocytes, are the cells that makeup muscle tissue.
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Bonus Question: What is the height of the plant that was kept in the sun for 3 hours on day 10?
4. This line graph compares the growth of plants that were kept in the sun for different amounts of time
70mm
40mm
20mm
10mm
40mm is the height of the plant that was kept in the sun for 3 hours on day 10.
When the length of the day is less than ten hours, most plants do not grow very much. even when the temperature is maintained in the ideal range
The production of plant food, stem length, leaf color, and flowering are all influenced by light intensity. Low-light environments typically result in spindly plants with light green foliage. Similar plants that are grown in intense light typically have larger, dark green leaves and shorter, better branches.
The stem typically slows down after being exposed to sunshine. However, if the plant is competing with nearby plants for sunlight or in response to warm temperatures to increase the distance between the scorching earth and the plant's leaves, the stem may expand quickly once more.
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The yew tree is a rare and slow-growing tree. Paclitaxel is an anticancer compound obtained from the bark of the yew tree. The extraction of the compound is expensive and damages the yew tree. Scientists have isolated and grown stem cells from a yew tree that could be used to produce paclitaxel.
The statement that best describes an advantage of using stem cells from a yew tree to produce paclitaxel is option A:Stem cells can be grown and reproduced in a laboratory.
What does the yew tree represent?Old yew trees' drooping limbs can take root and grow new trunks where they contact the ground. As a result, in Celtic culture, the yew came to represent both death and resurrection. The toxicity of the tree's needles in particular will also have been known to the Celts.
Note that Yew trees were seen as both omens of doom and symbols of immortality. Yew branches were traditionally carried on Palm Sunday and during funerals for many centuries and can be grown in the laboratory.
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See full question below
Q.
The yew tree is a rare and slow-growing tree. Paclitaxel is an anticancer compound obtained from the bark of the yew tree. The extraction of the compound is expensive and damages the yew tree. Scientists have isolated and grown stem cells from a yew tree that could be used to produce paclitaxel.
Which statement describes an advantage of using stem cells from a yew tree to produce paclitaxel?
answer choices
Stem cells can be grown and reproduced in a laboratory
Stem cells can differentiate into cells of a different species.
Stem cells from plants are more useful in producing animal protein.
Stem cells from plants are less likely to cause unfavorable mutations than stem cells from animals.
what is the most common geological feature that is not located on a plate boundary?
Describe how the amphipathic nature of phospholipids leads to the formation of the phospholipid bilayer organization observed in membrane structure. Based upon this information, how would you design a drug delivery system to cross the cell membrane?
The amphipathic nature of the phospholipid leads to the formation of the phospholipid bilayer organization because the phospholipid molecules contain both hydrophilic and hydrophobic properties.
Phospholipids' amphipathic nature means that their molecules have both hydrophilic and hydrophobic characteristics. The fatty-acyl tail of the phospholipid is non-polar in nature, but the head group of the phospholipid is polar.
Thus, this property of phospholipids caused the arrangement of the phospholipid bilayer of the plasma membrane, where the non-polar fatty-acyl tail is buried inside the hydrophobic interior of the bilayer, which is away from the aqueous phase, and the polar head groups face the cytosolic and extracellular faces, which are exposed to the aqueous medium.
Similar to how lipophilic molecules may easily penetrate the cell membrane, polar drugs must be changed in order for them to do so since they cannot do so in the polarized condition.
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Which of these pathogens is NOT
considered to be alive and does
NOT respond to antibiotics?
viruses this
bacteria
Answer:
a) Viruses
Explanation:
Viruses are not considered to be alive and does not respond to antibiotics.
Antibiotics only kills bacteria. Hence, the option (a) is the correct answer.
Drag each tile to the correct box.
Beginning with the flow phase, arrange the biochemical processes in the order in which they occur during the menstrual cycle.
FSH and LH stimulate the follicles to develop and the oocyte to produce estrogen.
A breakdown of corpus luteum causes progesterone levels to drop.
A spike in LH causes the follicle to rupture.
The endometrial lining breaks down and low levels of estrogen stimulate the pituitary to release FSH and LH.
Rising estrogen levels suppress FSH production and development of other follicles.
High progesterone levels maintain the endometrial lining of the uterus.
The menstrual cycle begins with a change in hormonal level and maintaining the endometrial lining of the uterus.
How does hormone level change during the menstrual cycle?The endometrial lining is a breakdown, and low levels of estrogen cause to stimulate the pituitary to release FSH and LH, this hormone stimulateing follicles for developing oocytes to produce estrogen.
When estrogen level is at a peak, suppresses FSH production and develops other follicles, a gradual increase in LH causes the follicle to rupture then high progesterone levels maintain the endometrial lining.
Therefore breakdown of the corpus luteum this progesterone levels to drop and complete the cycle.
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Compare and contrast exocrine and endocrine glands. Provide an example of an exocrine gland, an exocrine secretion, an endocrine gland, and an endocrine secretion.
After comparing exocrine and endocrine glands it can be said that the Exocrine manufactures and secretes its products outside the body, whereas the Endocrine manufactures and secretes its products into circulation.
Exocrine glands release their materials onto the surfaces of your body through ducts. Endocrine glands, on the other hand, discharge their chemicals right into your blood. We refer to them as ductless glands.
Sweat, salivary, sebaceous, and mucous glands are a few examples of exocrine glands. The pituitary gland, ovaries, testicles, thyroid, and adrenal glands are a few examples of endocrine glands.
Exocrine glands include your pancreas and liver. Through ducts in your digestive tract, your liver secretes bile. Pancreatic juices are secreted by your pancreas and enter your digestive tract through ducts. However, your pancreas and liver are also regarded as endocrine glands.
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Match the descriptions with the correct type of reproduction.
Asexual Reproducttion/Mitosis
Sexual Reproduction/Meiosis
Genetic Variation
Enhances Biodiversity
Genetic Sameness
Gametes
Answer:
asexual reproduction is gametes
Which best defines meroplankton?
O organisms that spend their entire life as plankton
O organisms that spend their larval or juvenile stage as plankton
O organisms that are holoplankton
Oorganisms that are phytoplankton
Organisms that are holoplankton. Meroplankton are a diverse group of aquatic organisms with life cycles that include both planktonic and benthic stages.
The larval stages of bigger organisms make up a major portion of the meroplankton. Holoplankton, which are planktonic organisms that remain in the pelagic zone as plankton during their entire life cycle, can be compared with meroplankton.
Many meroplankton go on to the nekton or adopt a benthic (typically sessile) existence on the bottom after spending some time in the plankton. Benthic invertebrate larval stages make up a large component of planktonic populations. For many benthic invertebrates, the planktonic larval stage is very important for the dispersal of their young.
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All Correct Statements Pertaining to the Dihydroxyacetone Phosphate Reaction Step in Glycolysis.
ATP is Needed to Generate Dihydroxyacetone Phosphate.
Fructose is Needed to Generate Dihydroxyacetone Phosphate.
Glucose-6-Phosphate is Needed to Generate Dihydroxyacetone Phosphate.
Inorganic Phosphate is Needed to Generate Dihydroxyacetone Phosphate.
None of the Statements are Correct.
All Correct Statements Pertaining to the Dihydroxyacetone Phosphate Reaction Step in Glycolysis
The Dihydroxyacetone Phosphate Reaction Step of Glycolysis: All True Statements
Dihydroxyacetone phosphate production methods?The carboxylation product 3-phosphoglycerate is phosphorylated to 1,3-bisphosphoglycerate for the production of dihydroxyacetone phosphate by the enzyme phosphoglycerate kinase. A mixed anhydride is created between the new phosphate residue and the carboxyl group in this process, which also consumes ATP.
Can fructose be used to produce glucose?Gluconeogenesis and lipogenesis are induced by fructose via a SIRT1-dependent pathway. In part because of increased gluconeogenesis and lipogenesis, a diet high in fructose causes insulin resistance and dyslipidemia. Gluconeogenesis and lipogenesis can be induced by the protein deacetylase SIRT1, which is NAD+-dependent.
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Directions: Fill in the blanks.
Endocrine System
1. The endocrine system is made up of
2. An example of a hormone is
called the
3.
4. Hormone levels are controlled by
Nervous System
1. The
2. The nervous system and the
is the fight or flight hormone.
2. The
Body Systems
Circulatory System
1. The function of the circulatory system is
and nerves are part of the nervous system.
3. Red blood cells carry
4.
that make
which lowers blood sugar. It is made in a gland
clot the blood.
mechanisms.
is the major organ of the circulatory system. Its function is to
Respiratory System
1. The function of the respiratory system is
2.
is breathed in while
system are called the control systems.
White blood cells
is released as waste.
what are organic molecules that are needed for growth and maintenance of cells and tissue
Suspense is defined as
Wheezing
Difficulty breathing at night
Labored breathing
Enlarged bronchioles
Answer:
labored breathing
explanation:
Out of all the answers this made most sense common sense
4. Balance the following chemical equations (3 points each):
a) Fe + 02 Fe203
b) H2 + Cl2 → HCI
c) Ag+ H2S → Ag2S + H2
d) CH4 + 02 → CO2 + H20
e) HgO → Hg+02
please someone answer asap
The balanced chemical equations are as follows:
a) 4Fe + 3O2 → 2Fe2O3b) H2 + Cl2 → 2HCIc) 2Ag+ H2S → Ag2S + H2d) CH4 + 2O2 → CO2 + 2H2Oe) 2HgO → 2Hg+O2Each atom on both sides of a balanced chemical equation has the same number and type. A balanced equation's coefficients must have the simplest whole number ratio. In chemical reactions, mass is always conserved.
The most important aspect of balancing chemical equations is to satisfy the law of conservation of mass, which states that "total mass of products equals total mass of all reactants."
A chemical equation that is not balanced violates the law of conservation of mass. It will indicate that mass is either created or destroyed, both of which are impossible.
Different types of reactions are Combustion reaction, Decomposition reaction, Neutralization reaction, Redox Reaction, Precipitation or Double-Displacement Reaction, and Synthesis reaction based on the product formed.
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Can you pls help if you did you will earn a lot of points
In a food chain, organisms are arranged in a linear order from producers to species that degrade.
Plant → grasshopper → bird → snake → owl.
An interconnected system of food chains is known as a food web. As opposed to the food web, which has several pathways, the food chain has just one. We can learn about the connections between creatures by looking at the food chain. Ecosystem components like the food web and food chain are crucial.
Examining the distinctions between a food web and a food chain, let's see what they have in common. A food chain, as defined by science, is a progression that demonstrates how energy moves from one organism to another in a particular order or through time. The energy moves along a certain channel in a community including producers, consumers, and decomposers.
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