Answers
Answer:
C
Explanation:
A. is incorrect because the cell displayed is an animal cell not a plant cell, so it cannot photosynthesize. The organelle shown is actually the ER.
B. is incorrect because the structure labelled is the nucleus, not a vacuole. Vacuoles store substances like waste, not DNA.
C. Is correct because the pickle-like organelle is the Mitochondria, also known as the powerhouse of the cell due to cellular respiration taking place there.
D. Is incorrect because the cellular membrane of the animal cell is not rigid like the cell wall of the plant cell, instead it is more semi-permeable.
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Related Questions
why do you think are the reasons why only few seeds germinate
Answers
Answer:
The germination of a seed can eventually be affected by temperature, humidity and oxygen. Generally, the seeds remain viable longer at low temperatures, a humidity range of 3% to 20% and an environment with low partial pressure of oxygen. If some of these factors are not met, the seed can age or eventually germinate.
Explanation:
Seeds are the main reproductive organ of the vast majority of higher terrestrial and aquatic plants. They play a key role in the renewal, persistence and dispersal of plant populations, the regeneration of forests and ecological succession. In nature the seed is a staple food source for many animals. Seed germination often takes place on the surface of the soil, so the balance between the gain of soil moisture and its loss by transpiration to the atmosphere determines when the seed becomes saturated with moisture and begins to germinate.
The reasons why only few seeds germinate are as a result of some factors such as temperature, availability of water, depth of plant, presence of plant hormone (Gibberellin) in the seed. etc
Seed Germination is a process after seed dormancy where seeds sprout and develop into a new young plant. The reason why some seeds germinate and others do not are some of the following:
Temperature: For the germination of seed to occurs, seed needs to undergo a moderate amount of soil temperature. The cotyledon of the seedling gets destroyed when the seeds are being exposed to an extreme soil temperature. This is why most seed doesn't thrive in the deserts.
Availability of water: The soil in which seeds need to be planted must be moist and contain have a moderate amount of water holding capacity for the survival of the seed plant. The moderate amount of water holding capacity can be seen in humus soil.
Presence of plant hormone: The presence of Gibberellin in seeds helps the activation of the cotyledon to begin the germination process after the seed has absorbed water from the soil. In seeds where the enzymes are absent, such seeds do not germinate.
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1. On average, how do the proportions of typical and mutant bacteria change in the population over time?
Answers
Answer:
bacteria
Explanation:
Light energy from the Sun is used by a plant to perform
photosynthesis. Which structure of the plant helps it to absorb this
energy?
Answers
Answer:
Chlorophyll absorbs the energy from the sun.
Explanation:
Light absorbed by chlorophyll excites the electrons in the ring as shown below.
Answer:
chlorophyll
Explanation:
The main pigment used in photosynthesis, chlorophyll, reflects green light and most intensely absorbs red and blue light. In plants, chloroplasts containing chlorophyll are subject to photosynthesis.
A double membrane wraps chloroplasts and includes a third inner membrane, the thylakoid membrane, which forms long folds within the organelle.
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Read the following descriptions of two different types of precipitation. Then, decide if they are both true or not.
Rain: occurs when the air above and below clouds are both above freezing; most likely in the summer
Sleet: occurs when the air above and below clouds are both below freezing; most likely in the winter
Are the descriptions true?
A) The description of rain is true, but the description of sleet is false.
B) Both descriptions are inaccurate and false.
C) Both descriptions are accurate and true.
Answers
Both descriptions of the rain and sleet are accurate and true.
What is precipitation?The term precipitation refers to the down fall of water that have been condensed in the cloud as rain drops.
We know that rainfall is most likely during summer while sleet is more likely during winter. Therefore, both descriptions of the rain and sleet are accurate and true.
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Answer:
the answer is B i took the test!
Explanation:
Many chemicals are used to kill insects and protect plants how could the removal of insects upset the balance of the ecosystem
Answers
Answer:
Animals that eat the insects would die as well.Explanation:
"hope this helps you"
does anyone know im trying to answer this but im not sure
Answers
Using the information below, what will happen to the cell as it reaches equilibrium?
Answers
Answer:
Even when equilibrium is reached, particles of a solution will continue to move across the membrane in both directions. However, because almost equal numbers of particles move in each direction, there is no further change in concentration
Explanation:
Answer: the cell will get smaller
Which is a feature of a cladogram?
A The characteristics must be shared among the organisms.
B The characteristics must be different among the organisms.
C It must contain at least three different shared characteristics.
D It must contain at least three different groups of organisms.
Answers
Answer:
C
Explanation:
When are genes in dna expressed?
Answers
when genes produces protein in a cell.
How does nitrogen get from the atmosphere to the biosphere?
Answers
Answer:
In atmosphere and biosphere: Nitrogen is about 78% of the gases in the atmosphere an it’s a essetial component of the living organisms. It enters plants throught the microorganisms that convert this nitrogen into ammonia. After this conversion, the plants absorb this substance. It can pass to animals when they eat these plants.
Explanation:
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Which cell structure do nutrients pass through to enter a cell?
(A) cell membrane (B) cytoplasm (C) chloroplast (D) nucleus
Answers
Describe 3 ways the land/terrain change as we move from Charlotte NC to the coastal plains of North Carolina
Answers
Answer:
Hilly towards flat.
Higher elevation toward lower elevation.
Clayey to sandy type of soil.
Explanation:
The land of Charlotte NC is hilly whereas coastal plains of North Carolina is flat. Charlotte NC is located at a high elevation while on the other hand, the coastal plains of North Carolina are located at the sea and at lower height. The soil type of Charlotte NC is clay and silt whereas the soil type of coastal plains of North Carolina is sandy due to the presence of sea.
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Sickle-cell anemia is a recessive trait in humans. In order to express the disease, an affected individual must inherit two recessive alleles (ss).
What is the probability that the offspring of two heterozygous parents will also be heterozygous?
Choose 1 answer:
(choice A)
A
[tex]\frac{0}{4}[/tex]
(choice B)
B
[tex]\frac{1}{4}[/tex]
(choice C)
C
[tex]\frac{1}{2}[/tex]
(choice D)
D
[tex]\frac{3}{4}[/tex]
(choice E)
E
[tex]\frac{4}{4}[/tex]
Answers
Answer:
D
Explanation:
It's D because past generations may not be heterozygous.
Both matter and energy cycle through systems in nature. How are aerobic and anaerobic respiration part of one or both of these cycling systems?
Answers
Do you agree with Dr. Walker and his colleagues that the changes to Jordan Jones’s meal could not explain his improved performance? Why or why not?
Answers
Answer: I agree with Dr. Walker and his colleagues that the changes to Jordan Jones’s meal could not explain his improved performance.
Explanation: I agree with Dr. Walker and his colleagues that the changes to Jordan Jones’s meal could not explain his improved performance because, food can´t change anything except for your hungriness, and the more food you eat the more fat you get, and not slim.
Which of the following is a product of the Krebs cycle?
water
alcohol
carbon dioxide
glucose
Answers
Answer:
The answer is #3- Carbon Dioxide
Explanation:
The Krebs Cycle is a series of reactions that produces two carbon dioxide molecules, one GTP/ATP, and reduced forms of NADH and FADH2.
Answer:
carbon dioxide
Explanation:
https://quizlet.com/193523001/cellular-respiration-krebs-cycle-flash-cards/
what is the interaction between organisms or animals for resouces mates shelter and space
Answers
Answer:
Symbiosis
Explanation:
Another category of interactions between organisms has to do with close, usually long-term interaction between different types of organisms. These interactions are called symbiosis
Can u judge who is the better person out of these 3?..
Mr A - He had friendship with bad politicians, consults astrologers, two wives, chain smoker, drinks eight to 10 times a day..
Mr B - He was kicked out of office twice, sleeps till noon, used opium in college & drinks whiskey every evening..
Mr C - He is a decorated war hero, a vegetarian, doesn't smoke, doesn't drink and never cheated on his wife..
You would say Mr.C
right?
Come here to ans Id-841 823 2122 PASS-ROKY
Answers
Answer:
WHat??????????????????
Answer:
Omo...
Is there a plot twist??? \(OoO )/
Explanation:
bone becomes moist when kept in dilute hydrochloric acid, why?
Answers
Answer:
bone. when a bone is dipped into hcl medium, the calcium of bone slowly starts to dissolve due to action of strong acid
Explanation:
The allele for red feathers (R) is dominant and the allele for brown feathers (r) is recessive. If the following cross occurs, what are the possible genotypes and phenotypes possible and what is the probability of each occurring?
Answers
Answer:
Genotype: Rr
Phenotype: Red feather
probability: RR: 0%, Rr: 100%, rr: 0%
Explanation:
Punnet Square:
R R
r. Rr. Rr
r Rr Rr
A plant with the genotype ANL/anl, YGR/ygr, is bred with a plant with the genotype ANL/anl, ygr/ygr. About what percentage of the offspring plants will have both purple stems and yellow leaves? A. 50% B. 38% C. 25% D. 13%
Answers
Answer:
38%
Explanation:
Sorry im so late
If the statement is true, write true. If the statement is false, change the underlined word
or words to make the statement true.
1. At the freezing point, the particles in an object have no kinetic
energy.
2. On the Celsius temperature scale, there are no negative
numbers.
3. The more particles an object has at a given temperature, the
more thermal energy it has.
4. Object A is much larger than Object B, but both are made of
the same material. If both objects are at the same temperature, the thermal energy
of Object A is the same as the thermal energy of Object B.
5. When heat is absorbed by an object, the speed of the particles
in the object is unchanged.
Answers
Answer:
true
Explanation:
False. At the freezing point, the particles in an object have some kinetic energy.
False. On the Celsius temperature scale, there are negative numbers.
True. The more particles an object has at a given temperature, the more thermal energy it has.
False. Object A is much larger than Object B, but both are made of the same material. If both objects are at the same temperature, the thermal energy of Object A is not the same as the thermal energy of Object B.
False. When heat is absorbed by an object, the speed of the particles in the object is changed.
Explanation:
The temperature is defined as the measure of hotness and coldness.It is measured in terms of degrees Celsius, Kelvins, degrees Fahrenheit.There are negative numbers on the Celsius temperature scale and Fahrenheits temperature scale but not on the Kelvin temperature scale.It is a measure of the average kinetic energy of the particles of the object.The hotter the object, the higher will be the kinetic energy of the particles of the object, higher will be the value of temperature. The colder the object, the lower will be the kinetic energy of the particles of the object, lower will be the value of temperature.The object with more mass will have more particles and more will be the kinetic energy associated with the particles.When heat is added to an object to raise its temperature the kinetic energy of the particles increases. As kinetic energy is directly linked with speed or velocity.So from this, we can conclude that :
At the freezing point, the particles in an object have some kinetic energy.
On the Celsius temperature scale, there are negative numbers.
The more particles an object has at a given temperature, the more thermal energy it has.
Object A is much larger than Object B, but both are made of the same material. If both objects are at the same temperature, the thermal energy of Object A is not the same as the thermal energy of Object B.
When heat is absorbed by an object, the speed of the particles in the object is changed.
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Explain the significance of oxygen to animals?
A.Animals use oxygen to help circulate blood in the body.
B.Animals use oxygen to digest food.
C.Animals use oxygen to convert food to energy through photosynthesis.
D.Animals use oxygen to convert food to energy through respiration.
please answer asap its for a test
Answers
Answer:
a
Explanation:
Gene expression is influenced by many factors. Which of the following is a factor in gene
expression?
Answers
Answer:
Answer: The Environment.
Environmental factors, such as diet, medicines, or exposure to toxins, can change how genes are expressed.
What are factors affecting gene expression?Gene expression is the process through which a gene's information is used to create a functioning gene product, allowing it to produce end products like proteins or non-coding RNA and ultimately have an impact on phenotypes.
Expressivity can be impacted by a number of elements, such as genetic make-up, exposure to dangerous substances, other environmental effects, and age. Penetrance and expressivity both have a range: People who carry the gene may or may not exhibit the trait, and when they do, the trait's expression can take many different forms.
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1. What two reactants enter the mitochondrion?
2. Compare the reactions in mitochondria with glycolysis.
1. How does a cell obtain energy?
2. Under what conditions does fermentation occur in a cell?
3. If a cell could perform both cellular respiration and fermentation, which process would benefit the cell more?
Answers
Answer:
1.NADPH2 and FADH2 , and O2
Explanation:
NADPH2 and FADH2 get oxidized in the electro transport chain into NADP+ and FAD+ and water and oxygen and yield 3 ATP molecules and 2 ATP molecules per each molecule respectively
Following are the answers:
The two reactants that enter the mitochondrion are pyruvate, the end product of glycolysis, and oxygen.In the mitochondria, pyruvate and oxygen undergo a series of reactions called cellular respiration, which produces energy in the form of ATP. This process is more efficient than glycolysis, which only produces a small amount of ATP.A cell obtains energy through a variety of processes, including cellular respiration and fermentation.Fermentation occurs in a cell when there is a lack of oxygen, such as in anaerobic conditions.In general, cellular respiration is more efficient than fermentation in producing ATP, but fermentation is a useful process for cells to produce ATP when oxygen is not available.What is mitochondria?Mitochondria are organelles found in the cells of most eukaryotic organisms, including plants, animals, and fungi. They are often referred to as the "powerhouses" of the cell because they are responsible for producing the majority of the cell's supply of adenosine triphosphate (ATP), which is used as a source of chemical energy.
Mitochondria are membrane-bound structures that contain their own genetic material, separate from the cell's nucleus, and are responsible for their own replication. They have unique characteristics that allow them to produce energy through the process of cellular respiration, a series of reactions that convert the energy from food molecules, such as glucose, into ATP. This process is one of the most important biological processes in living organisms, as it allows cells to perform their functions and sustain life.
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2. A scientist who studies communities studies
a. Interactions between different populations in an ecosystem
b. Interactions between members of the same species in an ecosystem
c. The adaptations of an individual organism
d. Interactions between the living and nonliving factors in an environment
Answers
Answer:
b
Explanation:
HELPPP WHAT ARE Three ways nitrogen can be fixed or transformed for animals and plants to use
Answers
Answer:
Thus, nitrogen undergoes many different transformations in the ecosystem, changing from one form to another as organisms use it for growth and, in some cases, energy. The major transformations of nitrogen are nitrogen fixation, nitrification, denitrification, anammox, and ammonification
Explanation:
Hope this helps
is Portland cement a mineral?
Answers
Answer:
no
Explanation:
Answer. no
Answer. no
explanation
Mary has 600 grams of blueberries, 450 grams of strawberries, and 525 grams of blackberries. What is the total weight of the fruit in kilograms?
Answers
Answer:
525
Explanation:
f 1/5 of the remaining blueberries are used to make ...
Missing: 525 | Must include: 525
Answer:
1.575
Explanation:
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In the 1940s, American farmers lost 7% of their crops to pests. By the 1990s crop losses due to pests had risen to 13%. Select a reason for this increase.
A. Between the 1940s and 1990s more land was being developed for houses and city space. Less land was used to grow crops. The increased number of crops in smaller spaces led to increased numbers of pests.
B. The farmers were using reasonably effective pesticides in the 1940s. However, over time, more pests have evolved to become more resistant to the pesticides.
C. The pesticides decreased in quality due to America's expanding economy, allowing more pests to successfully feed on the crops.
D. Pests became used to the taste of pesticides and were able to detect when crops had been sprayed.
Answers
Answer:
b not for sure tho
Explanation:
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Answer b i think
Explanation: