Centrosomes and lysosomes are found in animal cells, but do not exist within plant cells.
The lysosomes are the animal cell’s “garbage disposal”, while in plant cells the same function takes place in vacuoles.
Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, which are not found within animal cells.
The cell wall is a rigid covering that protects the cell, provides structural support, and gives shape to the cell.
The chloroplasts, found in plant cells, contain a green pigment called chlorophyll, which captures the light energy that drives the reactions of plant photosynthesis.
The central vacuole plays a key role in regulating a plant cell’s concentration of water in changing environmental conditions. follow me
Answer:
Describe the differences among meteoroids, meteors, and meteorites.
Explanation:
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What is H²O?
H2O is the chemical formula for water, meaning that each of its molecules contains one oxygen and two hydrogen atoms H.
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H²O is the chemical formula of water.
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Which is the closest synonym for the word harbinger?
A
Satisfaction
B
Selection
C
Illustrator
D
Indicator
Answer:
i am pretty sure its indicator
Answer:
Indicator:))
Explanation:
hope this helps:)))))
at what condition a new queen bee is produced in a hive
Based on the characteristics of fruiting plants shown in the table, which statement accurately reflects the placement of the cucumber into a taxonomic group? Cucumbers are fruits that grow on plants with long, trailing vines and fuzzy leaves. Select ALL options that apply. A) Cucumbers likely share a genus with pumpkins but not a class. B) Cucumbers likely share a class with pumpkins but not a genus. C) Cucumbers share more taxonomic groups with eggplants that with pumpkins. D) Cucumbers and pumpkins would likely share more taxonomic groups than cucumbers and okra share. E) Cucumbers share more taxonomic groups with peppers than with any other plant listed in the table.
Answer: B and D
Explanation: I just got it wrong
Answer:
the answer is B & D
I got the test wrong and here is the answers
PLEASE HELP
I WILL GIVE YOU BRAINLIEST
Answer:
Most cells in our body have two versions of each chromosome (Body cells). These cells are called diploid. We grow and replace these cells with identical cells through a cell division called mitosis.
For sexual reproduction, we need to make cells that have only one version of each chromosome (sex cells). These cells are called haploid. These unique cells are made through a cell division called meiosis.
Explanation:
haploid = 1
diploid= 2 // "di"=2
our body contains 46 chromosomes, half from our dad and a half from our mom. our repoductive contains 23 chromosomes.
What conclusion about Japan's farmland can be made by studying the map?
A)
Japan is dominated by wasteland.
B)
Tea is grown in all parts of Japan.
C)
Most of Japan's farm land is devoted to rice.
D)
Wheat and oats are the dominate crops in Japan.
Someone pls help!!?!
Explain half as conversion is expressed in human beings and how it relates to cut your groups and ethnicity
well when you cut the groups you cut them unto half and sorta related to ethnicity
organize at least seven of your body's cell processes that require energy
Answer:
search up the question and you find lots of accurate results
Energy is required for a variety of vital biological and cellular functions, including ATP hydrolysis. These include active transport, Purinergic signaling, synaptic signaling, intracellular signaling, DNA and RNA synthesis, and muscular contraction.
What do you understand by cell ?
The fundamental units of all living things are cells. There are many billions of cells in a human body. They provide the body structure, absorb nutrients from meals, turn those nutrients into energy, and perform certain tasks.
Adenosine triphosphate molecules directly provide the energy needed for cellular functions (ATP). One adenosine molecule and three phosphate groups, or Pi for short, make up ATP. The chemical energy that is stored in each ATP molecule is not very large. By dissolving ATP into adenosine diphosphate (ADP) and a phosphate group, this energy may be released.
The energy process include active transport, Purinergic signaling, synaptic signaling, intracellular signaling, DNA and RNA synthesis, and muscular contraction.
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Type _ blood is the universal donor
Type _ blood is the universal recipient
Answer:
Type O- blood is the universal donor
Type AB- blood is the universal recipient
Explain how the interaction of the Sun, the atmosphere, and the oceans produce winds.
Answer:
The heating of the Earth's surface and atmosphere by the sun drives convection within the atmosphere and ocean. This convection produces winds and ocean currents. The greater the pressure differences between a low-pressure area and a high-pressure area, the stronger the winds.
Explanation:
The heating of the Earth’s surface and atmosphere by the sun drives convection within the atmosphere and ocean. This convection produces winds and ocean currents. The greater the pressure differences between a low-pressure area and a high-pressure area, the stronger the winds.
Introduction: In 1915, a German scientist named Alfred Wegener proposed the theory of continental drift. According to this theory, the landmasses once were joined into a supercontinent called Pangaea. The landmasses then slowly drifted to their current positions.
Question: What did Pangaea look like?
If South America were close to Africa. If you look at their coastlines, what do you notice?
Answer:
Pangaea, which looked like a C, with the new Tethys Ocean inside the C, had rifted by the Middle Jurassic, and its deformation is explained below.
Explanation:
The responses of plants to environmental stimuli such as light and gravity are called
A. Tropisms
B. Auxins
C. Dormancy
D. Cytokinins
QUESTION........
The responses of plants to environmental stimuli such as light and gravity are called
A. Tropisms√√√√√√√√√√
B. Auxins
C. Dormancy
D. Cytokinins
ANSWER........
The responses of plants to environmental stimuli such as light and gravity are called. Tropisms.
A. Tropisms
CAN I GET THE CROWN
Answer:
A. Tropisms
Explanation:
Hope this helps
is gold a insulator or a Conductor
Answer:
Hey mate......
Explanation:
This is ur answer......
Gold is a poor insulator and a good conductor, having a resistivity of 22.4 billionths of an ohm-meter. As with lead, gold is widely used to make electronic contacts. Unlike many other metals, it is very chemically stable and resists the corrosion that degrades other types of electrical connectors.
Hope it helps!
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Why do the temperatures change over the months?
O A. Because the Moon is tilted on its axis, it reflects more sunlight on Earth during different times of Earth's yearly orbit.
B. Because the Sun is tilted on its axis, parts of Earth get more sunlight during different times of Earth's yearly orbit.
O C. Because Earth is tilted on its axis, the stars reflect more light during different times of the Earth's yearly orbit.
D. Because Earth is tilted on its axis, parts of Earth get more hours of sunlight during different times of Earth's yearly orbit.
Answer:
Answer
Explanation:
B because the more the sun is titled the more heat=different season.
Because Earth is tilted on its axis, parts of Earth get more hours of sunlight during different times of Earth's yearly orbit. As Earth orbits around the Sun, its axis is tilted at an angle of about 23.5 degrees. Hence the correct option is D.
Why do the temperatures change over the months?The temperatures change over the months primarily because of Earth's axial tilt. As the Earth rotates around the sun, the angle at which sunlight hits different parts of the Earth changes.
This is because the Earth's axis is tilted about 23.5 degrees relative to its orbit around the sun. When a particular hemisphere is tilted toward the sun, it receives more direct sunlight, resulting in warmer temperatures.
Conversely, when that hemisphere is tilted away from the sun, it receives less direct sunlight, resulting in cooler temperatures. This cycle repeats itself annually, causing changes in temperatures over the months.
Hence the correct option is D.
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Why are Wind Turbines being moved offshore?
Answer:
Wind turbines are being moved offshore because the wind comes at the right time: Offshore winds are usually higher throughout the day, allowing for more reliable and productive electricity output when market demand is highest. The majority of land-based wind resources are more efficient at night when demand for electricity is smaller.
Which of the following is NOT an aspect of organisms found in the Plant Kingdom?
Movement
Sexual Reproduction
Multi-Celled
Autotrophic (Makes its own food)
Name 3 stages of cell division, and give a brief description of what happens in each stage? please help I really need some help with this much appreciated
Answer:
Prophase
- Mitosis begins with prophase, during which chromosomes recruit condensin and begin to undergo a condensation process
Metaphase
- Next, chromosomes assume their most compacted state during metaphase, when the centromeres of all the cell's chromosomes line up at the equator of the spindle
Anaphase
- The progression of cells from metaphase into anaphase is marked by the abrupt separation of sister chromatids. Two separate classes of movements occur during anaphase. During the first part of anaphase, the kinetochore microtubules shorten, and the chromosomes move toward the spindle poles. During the second part of anaphase, the spindle poles separate as the non-kinetochore microtubules move past each other
Answer:
the 3 stages are: Interphase, Mitosis, Cytokinesis
Explanation:
Interphase is the phase of the cell cycle in which a typical cell spends most of its life. Interphase is the 'daily living' or metabolic phase of the cell, in which the cell obtains nutrients and metabolizes them, grows, replicates its DNA in preparation for mitosis, and conducts other "normal" cell functions.
Mitosis: a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
Cytokinesis: The cytoplasmic division of a cell at the end of mitosis or meiosis, bringing about the separation into two daughter cells.
Water is a product of cellular respiration. True or False
Answer:
true
Explanation:
During aerobic cellular respiration, glucose reacts with oxygen, forming ATP that can be used by the cell. Carbon dioxide and water are created as byproducts. Water and carbon dioxide are released as byproducts.
Look at the chart below to answer this question. Which substance is the LEAST dense of the three substances?
Substance A
Substance B
Substance C
Answer:
Substance B
Explaination: Density is a measure of how heavy something is compared to its size. If an object is more dense than water it will sink when placed in water, and if it is less dense than water it will float. Density is a characteristic property of a substance and doesn’t depend on the amount of substance.
Regulation of heart rate is most closely associated
with the
A) cerebrum
B) cerebellum
C) somatic nervous system
D) autonomic nervous system
Answer:
D.autonomic nervous system
How might we determine if the trait of albinism is dominant or recessive?
Answer:
inheritance. Oculocutaneous albinism is inherited in an autosomal recessive pattern, which means both copies of a gene in each cell have mutations.
Explanation:
Hope this helped Mark BRAINLIEST!!!
Beneficial bacteria are found in our digestive tract
A. true
B. False
please help
I will give brainliest and 5 * and 10 points for the best answer
I don't want to see an link if I do you will be reported
How does evolution work to create the diversity of life on Earth?
I need helppp!!!!!!!!
Answer:
B - 6 picograms
Explanation:
When a cell divides mitotically, the end result is 2 identical daughter cells. With that being said, the cell that is produced will also have the same amount of DNA and, therefore, the same DNA mass of 6 picograms.
Hope this helps you! Have an awesome day!
Cytochrome C is a protein that functions in cellular respiration as part of the electron transport chain. It is frequently used to determine evolutionary relationships between different organisms because it is highly conserved (only differs slightly) between different organisms. A student researching evolutionary relationships between different organisms came across the following information about the differences between cytochrome C proteins in different organisms when compared to humans. Number of different amino acids compared to humansChimpanzee0Rhesus Monkey1Cow10Yeast42 The student plans to use an antibody to the human cytochrome C protein in an ELISA test on cytochrome C samples from these four organisms. What should she use as a positive control
Answer:
Human cytochrome C
Explanation:
The enzyme-linked immunosorbent assay (ELISA) is a technique widely used to detect and measure antibodies and antigens in biological samples. This technique can be used to diagnose different diseases by detecting antigens that bind to antibodies. The ELISA test consists of a plate with a capture antibody against the antigen of interest coating the plate. Subsequently, the target antigen is detected by adding a detection antibody labeled with an enzyme (e.g., alkaline phosphatase) that binds to this antigen. Finally, a particular substrate (e.g. ABTS) is added to the plate and the subsequent reaction converts it into a colored product which can be easily detected using microplate readers. In this case, the positive control will be human cytochrome C which will bind to specific antigens in order to evidence the presence of this molecule in the sample.
The air outside is so warm that this snowman is melting. During melting, the water molecules (gain/lose) thermal energy. How does the motion of the molecules change during melting?
Answer:
they gain thermal energy because they are warming up. the molecules are speeding up because liquid molecules are faster the solid molecules which don't move much.
Explanation:
How does ovolution lead to both biodiversity and commonalities among
life?
Answer:
Evolution leads to biodiversity by changing the genetic code of organisms. When evolution leads to biodiversoty its called natural selection. It slowly decreases the popluation of organisms that are less adapted to survive in the world, and increas the population of more strong and adaptable organisms.
For example if there is a pink bird and a white bird, the white bird's population will increase due to its adaptation of camoflauge, and the pink bird will die out because it will be spotted by predators easily. Therefore the species of the white bird will become more common
Explanation:
Why might a speaker choose NOT to use contractions in a formal speech?
A. Contractions are too short.
B. Contractions are rude.
C. Contractions are informal.
D. Contractions are improper.
Answer:
The answer is C
Explanation:
I just took the quiz :)
A speaker might choose not to use contractions in a formal speech because contractions are informal. Thus, the correct option is C.
What is a Formal speech?A formal speech may be defined as a form of speech that is utilized in authorized and official workplaces. It does not illustrate personal background.
Contraction involves the feelings of pressure, stress, or shrinkage of actions. Thus, all such properties come under an informal type of speech where the personal background is determined.
Therefore, a speaker might choose not to use contractions in a formal speech because contractions are informal. Thus, the correct option is C.
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why does the male body stop producing testosterone when using anabolic steroids
Answer:
The use of anabolic steroids can raise blood levels of testosterone well above a person's normal range. As a result, the body may try to regulate testosterone levels by shutting down its own production of testosterone. In order to prevent this, people usually use anabolics in cycles of a few weeks on and then off.
Explanation:
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why do scientists classify and organize organisms