The diagram below shows four labeled structures of an animal cell.
Animal Cell
Mitochondria
Nucleus
Cell Membrane
Cytoplasm
Which of the following best describes the function of the nucleus?
A. The nucleus contains genetic information and acts as the control center of the cell.
В.
The nucleus is made up of a gel-like fluid that is the site of most chemical reactions in the cell.
OC.
The nucleus is the energy-producing site of the cell where respiration takes place.
Answers
Answer:
A)
Explanation:
The nucleus contains genetic information and acts as the control center of the cell. B) is also partially true but A) is the important part about the nucleus.
Related Questions
The venomous lionfish is native to the Indian Ocean and the South Pacific Ocean. This fish has recently been introduced into the Atlantic Ocean. Which is the most likely consequence of the introduction of this invasive species?
Native fish species will not be affected by the lionfish.
Native fish species will increase in population due to new prey species. Native predators will quickly decrease the population of the lionfish.
Native fish species will show reduced populations due to competition with the lionfish.
Answers
The most likely consequence of the introduction of this invasive species into the Atlantic ocean is that native fish species will show reduced populations due to competition with the lionfish.
Why would native species decrease in population?This has to do with competition. An invasive species cause harm to the ecosystem into which it is introduced. Most often, this is due to it out-competing native species for the available resources such as food. This results in a decrease in the population of the native species of fish in the Atlantic ocean.
Therefore, we can confirm that the introduction of this invasive species into the Atlantic ocean is that native fish species will show reduced populations due to competition with the lionfish.
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What is the main difference between using fixed versus living cells when observing the cell cycle?.
Answers
Fixed cells are refers to static cells that remain unchanged over time while living cells refers to dynamic cells that move and change over time.
What are Fixed cells?Fixed cells are cells that are preserved in a condition that is as close to “life-like” as possible.
These cells usually die during this process, but their shape and contents are maintained for imaging purposes.
Further preparation for fixed cells are far easier to perform than live cells.
On the other hand, living cells are cells which are still alive and this makes cell imaging difficult.
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Scott scoops hot oatmeal into his bowl he then notices that the outside of his bowl is very hot to the touch. What type of heat energy transfer is this an example of
Explain why
Answers
need answer now 7th grade
Answers
Recent finds include a nearly complete wolf skeleton, tusk and bones from a woolly mammoth, and also part of a woolly rhino skull.
How did the freezing process take place?Animals did not necessarily live at the same time. Scientists suggest that they fell into a common grave over thousands of years or that their bones were taken to the cave by predators. after these events, the ice age came and froze all the bones of these animals.
With this information, we can conclude that recent discoveries include an almost complete wolf skeleton, tusk and bones from a woolly mammoth, and also part of a woolly rhino skull.
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Explain why X-linked recessive traits are more common in males than females.
Hint: If you are stuck, try explaining why a boy (XbY) has colour vision deficiency and a girl (XBXb) does not, even though they both have the recessive allele Xb.
Answers
X-linked recessive traits are more common in males because the decease is only carried on the X chromosome therefore females need two copies of the gene to have the decease whereas in males they only need one copy. This is because males are XY and females are XX
X-linked recessive traits are more common in males than females because males only have one X chromosome while females have two. This means that if a male inherits an X chromosome with a recessive allele, it will be expressed in his phenotype.
Image courtesy of NASA
On the map above, what landform is located at oval C?
A. the Sahel
B. the Sahara Desert
C. the Nile River Valley
D. the Atlas Mountains
Please select the best answer from the choices provided
A
B
D
Save and Exit
Next
Mark this and return
Answers
Answer:
Pretty sure it's C : The Nile River Valley.
Explanation:
At Oval C, there's a river shown in the shape of the Nile River so I'm 99% sure it's the Nile River Valley.
Answer:
b i just took this and this is the answers they give u please mark brainly
Explanation:
State the differences between organic
matter and inorganic fertilizer
Answers
Answer:
The organic matter is all natural came from the earth. But on the other hand, inorganic fertilizer is not natural it is chemical to make the grass more rich and healthy and they already stored all the nutrients in the fertilizer so it can work. I hope I helped
A student looks through a microscope and sees a dark spot. Upon moving the slide he notices that the dark spot does not move. Indicate the two possibilities as to cause of the problem.
Answers
This community is protecting it’s watershed by protecting natural vegetation along the river, limiting pesticides and fertilizer, and banning dumping in the river. What catastrophic event would have the biggest impact on it’s watershed?.
Answers
Flood is the catastrophic event would have the biggest impact on its watershed.
What is flood?
Flood is the overflow of water from the water resources such as rivers, lakes, and oceans.
It is one of the natural disasters that happen due to access of rain or breaking of dams etc.
Flood can affect the quality of water, there become scarcity of clean water.
People lost their home due to entry of water in the homes.
Thus, the catastrophic event is flood.
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Wind, solar and geothermal power are called renewable energy sources because _______. a. tax breaks for these sources are renewed every year b. they are continuously replenished c. humans can replenish these sources periodically d. they produce few toxic byproducts please select the best answer from the choices provided a b c d
Answers
Wind, solar and geothermal power are renewable energy because they are continuously replenished.
What is renewable energy?Renewable energy is energy that is gathered from renewable resources that are intrinsically replenished on a human timescale. It includes sources such as sunlight, wind, rain, tides, waves, and geothermal heat.
Thus, renewable energy sources are continuously replenished.
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Answer:
A
Explanation:
Edge 2022
Follow the steps to simplify this expression. 2x(2 + 1) – 3(x + 3)
Answers
2x (2+1)-3(x+3)
= 4x+2x-3x
= 6x-3x
= 3x .
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Which phrase justifies why the theory of evolution is a theory and not a law?
Describes the relationship between an organism and its environment.
Makes accurate predictions based on only a small amount of empirical evidence.
Explains diversity based on the principle of natural selection.
Cannot be modified with the discovery of new evidence.
Answers
Answer:
Q1) Which phrase justifies why the theory of evolution is a theory and not and not a law.
Explanation:
A) Explains diversity based on the principle of natural selection.
Answer:
The answer is C
Explanation:
Got it correct on the exam
Can someone help make a cladogram out of this
Answers
Answer:
I have never done one of these before, so I don't know if it's right, but I think it's close
Explanation:
Vessels that transport blood AWAY from the heart are ____, while vessels that transport blood TOWARDS the heart are ______.
Answers
Answer:
Vessels that carry blood away are arteries
Vessels that carry blood to are veins
Explanation:
Vessels that transport blood away from the heart are arteries.
vessels that transport blood towards the heart are veins.
What are arteries and veins and what do they do?
Arteries carry blood away from the heart, and veins carry blood toward the heart. With the anomaly of pulmonary blood vessels, arteries carry oxygenated blood and veins carry deoxygenated blood.
Arteries have thick walls with muscle tissue. Veins have thinner walls and use valves to keep your blood flowing.
Thus, arteries and veins are the correct options.
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Define population pressures which is a selective pressure.
Answers
Answer:
Selective pressures are environmental factors or influences which may lessen reproduction in a species’ population and therefore contributes to evolutionary change or even extinction through natural selection.
credits to google
Explanation:
What features do plant cells have that animal cells lack?
A. cytoplasm and cell wall
B. cell wall and chloroplasts
C. cell membrane and chloroplasts
D. Nucleus and cell membrane
Answers
Answer:
B. Cell wall and chloroplasts
Explanation:
Animal cells each have a centrosome and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.
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7.)
With both the Belgian Blue cattle and the Piedmontese cattle, which level of protein structure that is
so important in determining how the protein will function is probably disrupted? Why is it disrupted?
Answers
Mutations that lead to protein disruption will produce defective proteins by affecting the first level (amino acid sequence). Defective proteins are non-functional.
What is mutation?A mutation is any alteration in the nucleotide sequence of the genome (i.e., the genetic material) of an organism.
Mutations in genes may lead to the generation of different types of proteins that encode for different amino acids.
The first level of protein structure is the amino acid sequence, thereby mutations may affect this level.
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What is meant by the clonal expansion of a b cell?.
Answers
Answer:
An activated B cell divides into cells that give rise to memory B cells and plasma cells.Thanks!
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Answer:
An activated B cell divides into cells that give rise to memory B cells and plasma cells.
Explanation:
Subject Course : Earth Science
1.
What kind of breeze occurs during the day in coastal areas?
sea breeze
valley breeze
mountain breeze
land breeze
2.
What is the main factor that affects local winds?
trade winds
the Coriolis effect
uneven heating of Earth’s surface
altitude
3.
What type of breeze occurs near mountains at night?
valley breeze
land breeze
mountain breeze
sea breeze
*I will provide Brainliest if given correct answers.
Answers
Answer:
Subject Course : Earth Science
1.
What kind of breeze occurs during the day in coastal areas?
✔️ breeze
valley breeze
mountain breeze
land breeze
2.
What is the main factor that affects local winds?
trade winds?
✔️the Coriolis effect
uneven heating of Earth’s surface
altitude
3.
What type of breeze occurs near mountains at night?
valley breeze
land breeze
✔️mountain breeze
sea breeze
Explanation:
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Which component of thermoregulation allows your body to maintain homeostasis after jumping into cold water?
Answers
Answer:
When your hypothalamus senses that you're too hot, it sends signals to your sweat glands to make you sweat and cool you off. When the hypothalamus senses that you're too cold, it sends signals to your muscles that make your shiver and create warmth. This is called maintaining homeostasis.
Explanation:
What were two consequences of the French and Indian War? Include the Proclamation
of 1763 in your response. How did the consequences lead to the American Revolution?
ASAP ASAP plz
Answers
Answer:
1. The French and Indian War began in 1754 and ended with the Treaty of Paris in 1763. The war provided Great Britain enormous territorial gains in North America, but disputes over subsequent frontier policy and paying the war's expenses led to colonial discontent, and ultimately to the American revolution.
2. In the long-term, the Revolution would also have significant effects on the lives of slaves and free blacks as well as the institution of slavery itself. It also affected Native Americans by opening up western settlement and creating governments hostile to their territorial claims.
Select the reasons that farmers typically only specialize in one breed.
lack of training
homogeneous housing
business efficiency
time demands
standardized food supplies
personal preference
familiarity with the breed
Answers
Answer: business efficiency personal preference
familiarity with the breed
Explanation:
i think so...
Does natural selection act on the genotype or phenotype.
Answers
Natural selection acts on an organism's phenotype, or observable features. Phenotype is often largely a product of genotype (the alleles, or gene versions, the organism carries).
Animal life changed greatly during the Cambrian explosion, with some groups expanding in diversity and others declining. What are the current hypotheses that explain these trends
Answers
Atmospheric changes, Global climate changes and the predator-prey relationship can be used to explain the Cambrian explosion. It produced the emergence of new life forms.
What is the Cambrian explosion?Cambrian explosion refers to the huge emergence of new animal forms during the initiation of the Cambrian Period.
The Cambrian Period refers to the first period of the Paleozoic Era (541 million to 484 million years ago).
The Cambrian explosion produced the emergence of 20 major phyla that form the current animal tree of life.
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Because of __________ between moving parts of a bicycle, some of the work you do changes to energy.
Answers
Answer:
friction
Explanation:
What are the processes in which material move through a cell?
Answers
The passive forms of transport, diffusion and osmosis, move materials of small molecular weight across membranes. Substances diffuse from areas of high concentration to areas of lower concentration; this process continues until the substance is evenly distributed in a system.
Did I miss any information?
Answers
Answer:
It looks pretty nice
Explanation:
You could say the exact or relative amount of species, or label the diagram.
According to the graph on the right, what is the approximate carrying capacity of the white-tailed deer population?
100,000 deer
300,000 deer
600,000 deer
Answers
Based on the graph on the right, the approximate carrying capacity of the white-tailed deer population is 600,000 deer. At this population size, the line representing the deer population levels off and remains relatively stable. that is the last option.
What is carrying capacity?Carrying capacity refers to the maximum population size of a particular species that can be sustained by the resources available in a given environment over an extended period of time. The carrying capacity of an environment is influenced by factors such as the availability of food, water, shelter, and other resources that are necessary for the survival and reproduction of a species. When a population grows rapidly, the demand for resources can exceed the supply, leading to competition for limited resources.
Hence, based on the graph on the right, the approximate carrying capacity of the white-tailed deer population is 600,000 deer; that is the last option.
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Blood type pedigree mystery
Answers
Answer:
Blood Type Pedigree Mystery Lab Activity In this lab activity, students will solve a theft crime using their knowledge of pedigrees and the inheritance of traits (like ear lobe attachment and blood type) to create a pedigree of a mystery family. They will then determine the genotypes of the family members in order to identify the thief.
Explanation:
In a family, the inheritance pattern of blood type can be represented with a pedigree. Blood type pedigrees are used to make different interpretations according to the question.
Since I do not have the complete question, I will provide information about blood type inheritance and pedigrees for you to interprete or to construct a Blood type pedigree.
What is the ABO blood type?ABO blood type refers to the classification of the blood according to the antigens present.
The I gene determines the blood type of a person. It is a three-allelic gene that expresses complete dominance and codominance.
IA and IB alleles are dominant over the recessive i allele.→ IA dominant over i. The person presents A type of antigens.
→ IB dominant over i. The person presents B type of antigens.
→ i is the recessive allele. The person does not present any antigen.
IA and IB are codominant. The person presents both types of antigens, A and B.Genotypes
H0m0zyg0us dominant or heter0zyg0us Individuals IAIA or IAi will express the A blood type. H0m0zyg0us dominant or heter0zyg0us Individuals IBIB or IBi will express the B blood type Individuals with h0m0zyg0us recessive genotype, ii will express the 0 blood type. Individuals carrying IA and IB alleles will express the AB blood type.
What is a pedigree?
A pedigree is a representation of familiar history through generations.
This representation uses different symbols and numbers to identify individuals and generations.
It is usually used to follow the inheritance pattern of a certain trait or affection.
For a correct interpretation of a pedigree, we need to know that,
• Family members
→ Individuals are represented with geometrical figures.
→ Males are squares
→ Females are circles
→ Unborned individuals are rhombus
→ Individuals can be identified with numbers, letters, or names
• Trait/Phenotype
→ Empty figures represent Healthy/normal/not affected individuals
→ Solid black fgures represent Affected/mutated individuals
• Generations
→ Each file is represented with a roman number, indicating the Generation.
Knowing about the inheritance pattern of blood type and how to represent it in a pedigree, you can make different interpretations according to your question.
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amebas are single celled organisms that need to obtain food in order to
Finish the sentence
Answers
Explanation:
amebas need food to carry out life functions