What does the nucleus of the cell contain?

Answers

Answer 1

Answer:

DNA

Explanation:


Related Questions

What feature is the same in the formation of many sedimentary rocks and fossil fuel?many sedimentary rocks and fossil fuels-
A-require material to be buried and exposed to heat amd pressure.

B-are made out of organic material that stores the sun energy

C-form where there are frequent earthquakes and volcanic activity

D- are produced high in the mountains where temperatures are low

Answers

Answer:

maybe C i'm so sorry if this is wrong

Explanation:

Organic materials and silt build on top to produce fossil fuels. Heat and pressure transform organic materials into coal, petroleum, or natural gas. Therefore, option (A) is correct.

What are fossil fuels?

An extracted and burnt fossil fuel is a hydrocarbon-containing substance that naturally originated in the Earth's crust from the remnants of extinct plants and animals. Coal, oil, and natural gas are the three primary fossil fuels.

Because certain sedimentary rocks contain trapped fossil fuels, sedimentary rocks and fossil fuels are connected. As organic materials and silt build up on top over time, fossil fuels are created. The organic material undergoes a chemical shift under heat and pressure, turning it into coal, oil, or natural gas.

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WHO CAN HELP ME WITH MY HOMEWORK ILL GIVE 50 POINTS AND BRAINIEST :COMMENT ME IF U WANNA HELP

Answers

Answer:

yooo i gonna help

Explanation:

Answer:

Slatt.

Explanation:

Thanks For The Points Slime.

Matter at rest will:
A. gain Mass
B. Stay at rest
C. Move on its own
D. Gain kinetic energy​

Answers

Answer:

D. Gain kinetic energy

Why is the nitrogen cycle important for the survival of organisms in an ecosystem? A. The nitrogen cycle recycles nitrogen through an ecosystem, making it available to all organisms. B. The nitrogen cycle keeps organisms from consuming nitrogen in their ecosystem. C. The nitrogen cycle allows all organisms in an ecosystem to consume nitrogen instead of consuming each other. D. The nitrogen cycle stores nitrogen in safe places, keeping it from entering an ecosystem.

Answers

Answer: A.) The nitrogen cycle recycles nitrogen through an ecosystem, making it available to all organisms.

Explanation: Nitrogen is an essential nutrient for plants and a significant component of proteins, which all animals need to grow, reproduce and survive. The nitrogen cycle converts nitrogen into compounds that plants and animals can use.

Select the living organisms that will decrease as a result of the loss of coral in the food web.

Answers

Answer:

Butterfly fish, Triggerfish, parrotfish, and sharks

Explanation: Because the first three fish listed feed on coral, their populations will decrease if coral is eliminated because that means there will be less food to go around for the populations to consume. Many will die out. If those fish die, there will be less of them for the sharks to eat, causing the shark population to decrease as well.

in The US- Which states had the clearest skies

Answers

Answer:

North Carolina, Maine, Texas, Georgia, Virginia

Explanation:

Um i visited those places and i made sure?

In ecology, what is meant by the term "community"?​

Answers

Answer:

A community is a ecosystem without the abiotic features such as lakes, rocks and the sun. It consists of only populations of species.

Answer:

In ecology, a community is a group or association of populations of two or more different species occupying the same geographical area at the same time, also known as a biosynthesis.

Explanation:

The image shows barrels containing toxic waste that were dumped into a body of water. What is the likely effect of the dumping on this ecosystem?

Answers

Answer:

animals can die that are in the ocean

Explanation:

like the turtles (sksksks)

Answer:

the biodiversity of the ecosystem will decrease because the water is getting polluted

Explanation:

Which resource is a renewable resource?
A. Coal
B. Gemstones
C. Metal
D. Trees

Answers

the answer is d. tress

Answer:

d. trees

Explanation:

cuz i took the quiz on edge

The high temperature on Friday was 8 degrees above zero. The low temperature was 3 degrees below zero. Which expression gives the average of the low and high temperatures?

a
Left-bracket negative 3 + (negative 8) right-bracket divided by (2) Right-bracket

b
(negative 3 + 8) divided by 2

c
(negative 3 + 8) divided by (negative 2)

d
Negative (3 + 8) divided by 2

Answers

Answer:

B

Explanation:

The negative goes by the 3 because it is 3 degrees below zero. To find averages, you add the numbers and divide by how many numbers there are. in this case, it would be (-3+8)/2

Why did the deer start to avoid certain areas of the park, like valleys and gorges?
a They could be trapped easily in those areas
b Their food source ran out of those areas
c Humans built shopping malls and tourist attractions in those areas
dThey did not avoid those areas, they flocked to them

Answers

Answer: A    I hope this helps

Explanation:

i think this is pretty easy so fill in the blanks and i’ll give you 15 points

Answers

Answer:

producers, energy, carbon dioxide, oxygen

4. What are the first organisms (colonizers) on the land? *
O
Flowers
Ants
Lichens & mosses
O
Oaktree
Submit

Answers

Answer:

mosses & lichens ......

During photosynthesis blank energy is converted into blank energy

Answers

Answer:During photosynthesis solar energy is converted into chemical  energy

Explanation:

The cardiovascular system includes all of the following EXCEPT?
A.
Veins
B.
Arteries
C.
Capillaries
D.
Neurons

Answers

Answer:

D

Explanation:

The cardiovascular system does not include Neurons (D). The cardiovascular system is also known as the circulatory system..i think :/

Hope this helps, if it doesn't please let me know :)

Answer:

D, Neurons

Explanation:

cardiovascluar sysetm does not include neurons as neurons are molecules.

The pH of a solution determines the charge of certain R groups. The pH of pineapple fruit ranges from 3.5 to 5.2. Predict the effect on the activity of bromelain if it is used in a product with a pH of 11.

Answers

Answer:

The activity of Bromine will reduce

Explanation:

Bromine is found in pineapple stem with pH range of 3.5- 5.2 this implies that the environment where bromine is found is acidic hence when taken to a product whose pH is 11 which is basic then its performance will be low because its can only function well in an acidic medium.

pH ranges tell whether a substance is acidic, basic or neural.

Acid range from 3.5-6

7- neutral

8 above is basic

This is about knowing the behaviour of some elements in different PH Values.

The activity of bromelain will decrease in a product with a pH of 11. .

We are told that the PH of pineapple fruit is of the range of 3.5 - 5.2. In reality, this also includes it's stems and the plants as well. This falls into the acidic range because PH less than 7 is acidic.Now, these stems, plants and fruits of pineapple usually contain bromelain. This implies that bromelain does its' work in an acidic environment since pineapple has an acidic PH.

If bromelain is used in a product with a PH of 11, it means it is being used in a basic environment because a PH greater than 7 indicates a basic nature. This means bromelain will not function as well as it did in the acidic environment and as such the activity of bromelain here would decrease.

We can now conclude that the activity of bromelain will decrease in a product that has a PH of 11.

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Provide a summary of biologist Stephen Stearns’ findings in how Natural Selection may be working today in humans.

Answers

Answer:

Stephen Stearns states that natural selection doesn't mean the survival of the fittest organisms, but rather this mechanism is illustrated by the selective reproduction of the fittest. Natural selection can be classified into distinct types, including directional, disruptive and stabilizing selection, which are in turn based on sexual selection. These types of selection are driven by different outcomes that have different dynamics.

WHY is this football player wearing an oxygen mask? what is the importance of oxygen here? What is he trying to avoid by wearing the oxygen mask?

Answers

Answer:

bc oxygen contributes to muscle performance on and off the field.

33 indica si las siguientes frases son verdaderas o falsas y corrige las falsa A) la competencia es una relación exclusivamente interespecífica B )los parásitos pueden matar al huésped C ) las poblaciones gregarias son aquellas en las que existe una jerarquía entre los individuos D) en las poblaciones coloniales individuos de distintas especies crecen unidos entre sí E) En las relaciones de mutualismo y comensalismo una de las especies resulta indiferente a la relación F) La cooperación entre individuos beneficia tanto a estos como a la población G) La simbiosis es una relación beneficiosa para ambas especies

Answers

The answers to these question are the following:

A) False

B) True

C) False

D) False

E) False

F) Flase

G) True

Explanation:

A) Competency can also be intraspecific

B) Parasites often cause the death of their hosts

C) There are gregarious organisms whose populations have no defined hierarchies

D) Colonial populations may be formed by organisms from the same species  

E) Mutualism is a beneficial association for both species

F) Not necessarily, there are cases where this type of association only benefits to individuals

F)  Symbiosis is the association among organisms from different species that benefits both species

Which explanation below is the most accurate regarding animal and plant adaptations for survival in a desert biome

Answers

Answer:

i think its C sorry if I'm wrong

Explanation:

The most accurate regarding animal and plant adaptations for survival in a desert biome is

Animals in this biome tend to have scaly skin to save water and stay cool; plants have thick roots that capture water.

What is the desert biome?Deserts are extremely dry environments that support a diverse range of plants and animals. Deserts are classified into four types: hot and dry deserts, semi-arid deserts, coastal deserts, and cold deserts.Plants adaptationPlants in the desert are succulent, storing water in fleshy leaves, stems, or roots. Water absorption is well developed in the root system. The stem in these pants also performs photosynthesis. Their stems and leaves have a thick cuticle that protects them from excessive transpiration. To avoid excessive water loss, desert plants use the CAM pathway.Animals adaptationAnimals in the desert exhibit a variety of adaptations. Snakes, for example, come out in the open only at dawn or dusk. To avoid the heat, some small desert animals live in burrows.Camels, for example, store fat in their hump. This allows them to go a long time without food or water.

Thus, we can conclude that Animals in this biome tend to have scaly skin to save water and stay cool; plants have thick roots that capture water. which is option C.

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Population distribution in Europe and Russia is most impacted by
A government restrictions
B. cultural differences
C. natural resources
D. climate
Please select the best answer from the choices provided
OA
OB
0
00
0
Mark this and return
Save and Exit​

Answers

Answer:

i think right answer is climate.

Which of following are natural factors that can cause extinctions?


I. climate change

II. asteroid impacts

III. volcanic eruptions

IV. changes in oxygen levels in seawater

A.

I, II, III, and IV

B.

I, II, and III only

C.

II and III only

D.

I and IV only
i need help asap

Answers

Answer:

A is the answer. so it's correct

do capillaries transport blood from arteries to veins?

Answers

Answer:

Capillaries connect the arteries to the veins. The arteries deliver oxygen rich blood to the capillaries, where the exchange for oxygen and carbon dioxide occurs.

Explanation:

Hope this helps!

Which kind of volcano is most likely to form from this plate movement

Answers

Shield volcano is a type of volcano that is built entirely or mostly from fluid lava vents. It is wide volcano with shallowly-sloping sides. They are formed by lava flows of low viscosity-lava that flows easily. These type of volcanoes are almost exclusively basalt.

Help.. 14 _____ are substances that can cause cancer.
15
Scientists join cancer cells with antibody-producing white blood
cells to produce _____.

Answers

Answer:

14. Carcinogenic

15. Not sure. I believe it is monoclonal antibodies.

what systems do you use when you have a scrape knee

Answers

Answer:

cleaning alcohol. polisporin. and bandades

Explanation:

Answer:

You use the immune system

Explanation:

it play a crucial role in the process of wound healing

5
What might you find inside a vaccine?

Answers

Antibodies, a small amount of the germ

Si cruzamos dos individuos homocigotos de cobaya, uno negro y otro blanco, y sabemos que el carácter negro es dominante sobre el blanco. Su descendencia tendrá la siguiente características

Answers

Answer:

The offspring will be black because they are heterozygous for a dominant trait that is controlled by monogenic inheritance.

Explanation:

Guinea pigs will be heterozygous because they inherit a dominant allele that encodes for the black color and a recessive allele associated with the white color. Heterozygosity is a genetic condition associated with the presence of two alleles at a locus which are inherited from both parents, one from the mother and the other from the father

which bone layer holds calcium and other minerals

Answers

Answer:

In addition to its mechanical functions, the bone is a reservoir for minerals (a "metabolic" function). The bone stores 99% of the body's calcium and 85% of the phosphorus. It is very important to keep the blood level of calcium within a narrow range. If blood calcium gets too high or too low, the muscles and nerves will not function. In times of need, for example, during pregnancy, calcium can be removed from the bones. This process is carefully regulated by hormones and is discussed more completely in the section about hormones.

Explanation:

Answer:

its the um (dont quote me ) phophorus im pretty sure

Explanation:

What do you think the word biodiversity means? Why is biodiversity important for the stability of ecosystems?

Answers

Biodiversity is the variety and variability of life on Earth. Biodiversity boosts ecosystem productivity where each species, no matter how small, all have an important role to play. Such as A larger number of plant species means a greater variety of crops. Greater species diversity ensures natural sustainability for all life forms.

Answer:

Biodiversity refers to the variety of species in an ecosystem. Generally, ecosystems with high biodiversity are more likely to survive environmental changes. Therefore, biodiversity is important to ecosystem stability.

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