Answer:
B.
Explanation:
A tumor is essentially when damaged cells continue multiplying. So by smoking your risking both damaging your cells and turning of the p53 gene.
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The most likely result of turning off p53 is cells undergo uncontrolled division. Hence option B is correct.
What are genes?Genes are defined as the fundamental genetic component transferred from parent to child. Genes are composed of DNA sequences and are organized sequentially at specified sites on chromosomes in the cell nucleus. The foundation of the body is made up of cells. Your body is made up of billions of interconnected cells in every part. Chromosomes are the units on which genes are organized.
Diseases like cancer can result from an alteration in the cell cycle's regular regulation. When the cell cycle is out of balance, cells have the potential to randomly divide and accumulate genetic errors that can cause a malignant tumor.
Thus, the most likely result of turning off p53 is cells undergo uncontrolled division. Hence option B is correct.
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Lipids play a major role in the structure of cell membranes. Which of the following
statements best supports this claim?
A Lipids allow water to freely pass through by forming a hydrophilic bilayer.
B Lipids can be stored in tissues to serve as a source of energy in case of starvation.
C Lipids create a thin hydrophobic layer that helps maintain selective permeability.
D Lipids assist in membrane transport by creating carriers for molecules that are too large
or too charged to pass through the membrane on their own.
What is the name of Alfred Wegener's hypothesis about moving landmasses? *
A) continental drift
B) seafloor spreading
C) continental movement
D) plate tectonics
In pure water, what is the probability of a hydronium ion forming?
Answer:
1 in ten million chance
Explanation:
HELPPPP
A student is learning about the cell theory in science class, and she applies it to a fern that she is growing in her bedroom. The cell theory states that which of the following characteristics of the fern must be true?
A) The fern's cells came into existence spontaneously.
B) The fern is made up of a collection of cells.
C) The cells that make up the fern are nonliving.
D) The fern is made up of compounds that aren't cells.
Answer:
b
Explanation:
all living things are made up of cells.
A plant bending towards a light source is an example of which characteristic of life?
Group of answer choices
metabolism
responsiveness
reproduction
heredity
Answer:
reproduction
Explanation:
Which two cycles are linked by the production and utilization of carbon dioxide? Where do these cycles occur?
Answer: The Calvin Cycle in Photosynthesis and The Krebs Cycle in Cellular Respiration. The Calvin Cycle occurs in chloroplasts and The Krebs Cycle occurs in the Mitochondria.
Explanation:
The two cycles that are associated by the utilization and production of carbon dioxide are cellular respiration and photosynthesis. These two processes takes place in the mitochondria and chloroplasts.
What is photosynthesis and cellular respiration?The process by which green plants and some of the organisms utilize light from the sun to produce foods from water and carbon dioxide is known as photosynthesis. The process generally takes place in the chloroplasts of the cell. In the process, energy is captured and oxygen is released.
The set of metabolic reactions and procedures, which occur in the cells of organisms to transform chemical energy from the molecules of oxygen or nutrients into ATP, and then discharge waste products like water and carbon dioxide. The process takes place within the mitochondria.
Thus, in cellular respiration production of carbon dioxide takes place, while in the process of photosynthesis carbon dioxide is used to produce food.
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How do speed and direction affect velocity?
Answer:
Forces affect how objects move. They may cause motion; they may also slow, stop, or change the direction of motion of an object that is already moving. Since force cause changes in the speed or direction of an object, we can say that forces cause changes in velocity. Remember that acceleration is a change in velocity.
Explanation:
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The forest at Great Smoky Mountains National
Park is sick, infected by invasive bugs and
plants. Matt Moore, Kaleb Lique Naitove and
Emily Baird of the National Park Service are
some of the field medics trying to keep it alive.
…
The forest they walk through is mesmerizing. The
trees glow green in the Tennessee sun. There
are a lot of tree species in this forest, but the
one they’re looking to treat is an Eastern
hemlock, an evergreen conifer that ranges
from Canada to northern Mississippi. Hemlocks
make up a significant portion of a lot of forests
in the eastern U.S., but particularly so in Great
Smoky Mountains National Park.
…
‘A Tsunami Wave’ Of Adelgids
After about 20 minutes of hiking off-trail in
the park, Moore and company reach the tree
they’ve been looking for. It’s tall, but not
particularly big. You could wrap your arms
around its trunk and still clasp your hands. By
all outward appearances, it’s healthy.
It’s time for the crew to start helping the tree
by injecting it with pesticide. Moore drills holes
around the tree’s base and then Lique Naitove
and Baird attach tubing. A bicycle pump
connected to the tube system begins to fill
it and then the base of the tree with the red
pesticide.
The female wooly adelgid is miniscule, attaching herself to the hemlock’s needle after creating her ova sack, as
shown above.
To Tame A ‘Wave’ Of Invasive Bugs,
Park Service Introduces Predator
Beetles
by Nathan Rott
Instructional Segment 1 | Authentic Reading
1
Copyright © by Savvas Learning Company LLC. ,
It’s called a tree injection system. “We call
them IVs,” Webster says. “They’re out doing
a tree IV.”
It’s like a flu shot that will help the tree ward off
invasive bugs. Most of the trees Webster’s crew
treat just get sprayed with pesticides that have
the same effect. This one’s different because
it’s near a stream and the crew doesn’t want
pesticides getting in the water.
They can’t do it for all of the trees they
treat because there are just too many. The
vegetation crew here has treated more than
a quarter million trees in the Great Smoky
Mountains. The treated ones, like the one they
hiked to, are easy to spot because they look
healthy and are alive. The trees that weren’t
treated are probably dead “or they’re close
or on the way out very soon,” Webster says.
“Probably in the next 10 years.”
The reason for this die-off is the hemlock
woolly adelgid, which is native to Asia.
Scientists believe that the specific kind killing
the Eastern hemlock is from southern Japan.
Adelgids were first discovered in the U.S. in
the 1920s. They were transported overseas
by humans and continue to be spread with
human help, mostly through the purchasing,
selling and transporting of firewood. Today,
the hemlock woolly adelgid is established in
16 states, from Maine to Georgia.
The trees at Great Smoky Mountains National
Park have been infested with adelgids
for longer than a decade. With no natural
predators and no evolved defenses, the
adelgids swept through the hemlocks at the
park like “a tsunami wave,” Webster says.
Many of the park’s hemlocks died quickly;
others are dying more slowly.
…
A Predator-Prey Balance
The pesticide treatment that the park’s
vegetation crew uses doesn’t get rid of the
hemlock woolly adelgid. It protects the tree
that gets it and only lasts five to seven years.
“It’s a stopgap solution,” Webster says.
Because of that, the National Park Service and
scientists have been trying a longer-lasting
one: predator beetles. The hemlock woolly
adelgid, like most invasive species, thrives in
its new environment because it doesn’t have
any natural predators. To change that dynamic,
Great Smoky Mountains National Park has
brought in a few species of predator beetles
from Asia that they’re raising at insectaries, or
nurseries for bugs.
…
Predator beetles will never eradicate the
hemlock woolly adelgid. They’re here to stay.
The hope of the Park Service is that by creating
that balance between predator and prey and
by educating people to not move firewood
from one location to another, they can slow
the spread of the adelgid enough to give
the remaining Eastern hemlocks a chance to
survive and adapt.
READING COMPREHENSION
1. About when were the wooly adelgids introduced to the US and how are they spreading?
2. Describe how the introduction of a predator beetle from Asia might affect the wooly adelgid population.
3. Describe why the hemlock wooly adelgid was able to sweep through the hemlocks of Great Smoky Mountain National Park.
4. Why did the vegetation crew decide to treat the hemlock in the article with a tree IV, instead of using pesticides as they did for other hemlocks?
Which organelle takes in " sun showers" and helps plants with the process of photosynthesis?
vaculoe
cytoplasm
Mitochondria
Chlorplast
Chlorplast is the organelle that takes in quote-on-quote "sun showers" and helps plants with the process of photosynthesis.
Helpppppppp me pleaseeeeeeeere
Answer:
I think it's a A
Explanation:
Reactants are on the left side of a chemical equation while ______________ are on the right side.
Answer:
Products
Explanation:
I may be wrong, but this is the explanation:
In a chemical equation, the reactants are written on the left, and the products are written on the right. The coefficients next to the symbols of entities indicate the number of moles of a substance produced or used in the chemical reaction.
How do you explain unspecialized cells?
Answer:
a special kind of cell from an EMBRYO, FOETUS or adult, capable of renewing itself under certain conditions, and of becoming specialized cells that make up the different TISSUES and ORGANS of the body A stem cell remains largely undifferentiated and uncommitted to a specific function,
Explanation:
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PLEASE HELP ME FRIENDS
Answer:
A
Explanation:
because if you look at the compass it shows witch
way it is moving
Answer:
Im pretty sure its D
Explanation:
Because of the fact that it is stating what direction were the plates going and they we going toward the inside but another plate stopped that
Brainliest?
Which of the following compounds is digested by pepsin? A. carbohydrates B. fats C. minerals D. proteins
How is photosynthesis different from respiration
Answer:
photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide
Explanation:
component of a phospholipid?
Answer:
Phosphate group headTwo fatty acid tailsExplanation:
A phospholipid is made up of a phosphate group head and two fatty acid tails. They are connected by a molecule of glycerol.
To form cell membranes, phospholipids line up with their hydrophilic (water loving) heads on the outside of the cell and their hydrophobic (water hating) tails inside.
A second layer of phospholipids forms with the heads facing inside the cell and tails facing away. This forms a double layer - with the phosphate group heads on the outside, and fatty acid tails on the inside. This double layer, called a lipid bilayer, forms the cell membrane.
Mario and several friends spend a day at the beach. While watching the ocean waves crashing to shore, Mario wonders how much of the world’s water is contained in different types of bodies of water such as oceans, lakes, and rivers. He decides to research the percentage of Earth’s water found in different locations. Which does his research reveal? Multiple choice question.
A) Less than 3 percent of Earth’s water is freshwater containing no salt.
B) The ice caps located at both poles contain 30 percent of Earth’s water.
C) Fifty percent of Earth’s water is in oceans and the glaciers at the poles.
D) Ninety percent of Earth’s water is in lakes, rivers, and groundwater.
Answer:
B
Explanation:
as shown
How do Lichens contribute to primary succession?
Answer:
Lichens grow along with moss before flowers and trees are grow. Lichens grow off rocks and build a strong foundation of dirt and soil for plants and trees to grow.
Digestion takes place inside____containing_____
Answer:
Digestion takes place inside lysosomes containing digestive enzymes.
Explanation:
Lysosomes contain digestive enzymes, and do to lysosomes being able to break down and digest things. I hope I answered your question the way you wanted it to be answer.
What can be said about the growth trend for boys in Paul’s family? a. All four boys grew at a steady, consistent rate between the ages of 8 and 24. b. All four boys had a growth spurt around the age of 20. c. Between the ages of 12 and 16, all four boys had the biggest jump in height. d. Between the ages of 8 and 12,
The question is incomplete as the required data is not given, however, the data associated with the question is as follows:
There are four boys in paul's family. by the age of nineteen, all of them are over six feet tall. the data table below shows their height at different ages:
age 8 age 12 age 16 age 20 age 24
paul 4 ft 8 in 5 ft 0 in 5 ft 11 in 6 ft 1 in 6 ft 1 in
bruce 4 ft 6 in 4 ft 11 in 5 ft 10 in 6 ft 1 in 6 ft 1 in
tom 4 ft 9 in 5 ft 0 in 6 ft 0 in 6 ft 2 in 6 ft 2 in
steve 4 ft 7 in 4 ft 11 in 5 ft 11 in 6 ft 1 in 6 ft 1 in
Answer:
The correct answer is option C. Between the ages of 12 and 16, all four boys had the biggest jump in height.
Explanation:
According to the given data, normally boys exhibit physical growth during puberty. The growth rate is at the highest level between the ages of 12 and 16 that is the puberty period.
It is found that during this period the growth of the height reaches its 90 percent. The same trend is given in the data provides all four boys show the highest jump between 12 to 16.
You will conduct a study of the interactions of vegetation, animals, mineral composition of the soil and water levels in a saltmarsh. You are studying the
saltmarsh.
O biosphere
O population
Ο Ο Ο Ο
O community
O ecosystem
Answer:
Population.
Explanation:
Answer:
Population
Explanation:
Where in an equation for photosynthesis does oxygen belong?
on the left side, because it is a product
on the right side, because it is a product
on the right side, because it is a reactant
on the left side, because it is a reactant
Answer:
On the right side, because it is a product.
Explanation:
6 CO2 + 6 H2O + light -----> C6 H12O2 + 6 O2.
In photosynthesis, the oxygen belongs to the right side of the reaction, because it is a product. Thus, the correct option is B.
What is Photosynthesis?Photosynthesis may be defined as the process through which green plants and some algae prepare their own food (glucose) with the help of carbon dioxide and water in the presence of sunlight.
The chemical reaction of the photosynthesis is as follows:
[tex]6CO_2 + 12H_2O[/tex] + sunlight → [tex]C_6H_1_2O_6 + 6O_2 + 6H_2O[/tex].
Therefore, in photosynthesis, the oxygen belongs to the right side of the reaction, because it is a product. Thus, the correct option is B.
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A student believes that ducks swim faster when they are in cold water. He tests two groups of ducks, one in cold water and one in warm water.What will the student be measuring (dependent variable) in this experiment?
Answer: the ducks are the dependable variable because they are not changing the water is independent because it is changing warm and cold
Explanation:
The musk ox has a large body size and small appendages. How do these characteristics enable it to survive in the tundra?
Answer:
The large body size and small appendages of the musk ox help minimize its heat loss. The smaller the surface area of an animal compared to its weight, the more slowly it loses heat.
Explanation:
The large body size and small appendages of the musk ox helps them to minimize heat loss from the body. The smaller the surface area of an animal compared to its body weight, the more slowly it loses the heat which keeps them warm for longer durations.
What is adaptation?An adaptation is defined as any change in physical or behavioral feature of an animal which helps them in better survival in the environment in which they live. In other words, an adaptation is something an organism does with their bodies which helps them in finding food, water, mates, and shelter which increases the chances of survival.
Musk ox can survive on an extremely spare diet of tundra plants, such as dried grasses, sedges and willows of forests. In the winter, when the temperature of Tundra decreases further the Musk ox can maintain their body temperature and survive in these extreme conditions. The larger body size and small appendages of these animals reduce the loss of heat from the body.
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In a short essay (100–150 words), explain how oxidative phosphorylation—the production of ATP using energy derived from the redox reactions of a spatially organized electron transport chain followed by chemiosmosis—is an example of how new properties emerge at each level of the biological hierarchy.
Answer:
Oxidative phosphorylation is the main process that takes place in the mitochondria to produce ATP by the series of various carriers from NADH or FADH2 to Oxygen molecules. This involves a spatially organized electron transport system in form of a chain of the redox reactions.
The properties that emerge occurs only when there is two or more part of the chain work together and not individually. If all the part such as various part of ETC or ATP synthase and the membrane of the organelle all together workes in an orderly manner then only ATP will be formed by producing H+ protein.
The prefix endo- is Greek for "within". If the word part plasm refers to the "body" of the cell, what does the prefix endo- tell you about the endoplasmic reticulum?
Answer:
Within the Body's reticulum?
Explanation:
The majority of the Periodic Table is made of . . .?
Answer:
it is given in your book
Explanation:
in modern graded book of your school
Answer:
METALS
Explanation:
The vast majority of the known elements are metals. Of the metals, only mercury is a liquid at room temperature and pressure; all the rest are solids. Nonmetals, in contrast, are generally poor conductors of heat and electricity and are not lustrous.
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Complete the table about subatomic particles?! Plz help?
Answer:
protons have a positive charge and are located inside of the nucleus. electrons have a negative charge and are located outside of the nucleus. neutrons have a neutral charge and are located inside of the nucleus.
The table about subatomic particles is completed below:
Electrons are negatively charged in nature and located outside the nucleus. Protons are positively charged in nature and located inside the nucleus. Neutrons are neutrally charged in nature and located inside the nucleus. What do you mean by Electrons?Electrons may be defined as the type of subatomic particles that are significantly revolving around the nucleus of an atom in orbitals. These subatomic particles are negatively charged in nature. J.J. Thomson was thought to be the discoverer of these particles.
Ernest Rutherford was thought to be the discoverer of the subatomic particles known as Protons. While Chadwick was thought to be the discoverer of the subatomic particles known as neutrons. The function of each subatomic particle is very distinctive within the atom.
Therefore, the table about subatomic particles is well described above.
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In the open ocean tiny organisms on the surface perform photosynthesis and release oxygen. These are called
Answer:Phytoplankton hope this helps!
Explanation:
Answer:
Phytoplankton! :)
Which statement best describes a scientific question?
It must be based on a hypothesis.
It must be supported by data.
It must be testable.
It must be original.
Answer:?????
Explanation: