2
2.When chemical bond are formed
energy is released.
True
False

Answers

Answer 1

Answer:

true

have a nice day and good day

Related Questions

1. The diagram below represents structures found in a human female,
3 to the document will
sp
Which process results in the formation of structure X?
A) mitosis
B) meiosis
C) recombination
D) cloning

Answers

The process that leads to the formation of structure X in the diagram would be meiosis.

The diagram is that of the female's reproductive structure showing the uterus, ovary, and fallopian tubes.

The structure marked X is an ovum or egg.

The ovary produces ovum or eggs through a division known as meiosis.  

The ovary is diploid (2n), but gives rise to haploid (n) eggs by meiotic division. Thus, meiosis is referred to as reductional division.

More on meiosis can be found here: https://brainly.com/question/7002092?referrer=searchResults

Why did Gregor Mendel use peas in his experiments?
Peas grow very slowly.
Pea reproduction cannot be controlled.
Peas normally produce very few offspring.
Peas have characteristics that have two forms.

Answers

Answer:

He used peas because they are self pollinating,they grow fast,and they have many traits

Answer:

D. Peas have characteristics that have 2 forms

Explanation:

Edge 2022.

5
Select all the correct answers.
Which situations describe an elastic collision?
Two glass marbles bounce off each other.
Rodrick flops onto his sofa and sinks into the cushion.
ОООО
A tossed water balloon flattens when it lands on the grass.
A bowling ball knocks over five pins.
Reset
Next

Answers

Answer: A tossed water balloon flattens when it lands on the grass.

If the activation energy required for a chemical reaction were reduced, what would happen to the rate of the reaction?
O The rate would increase.
The rate would decrease.
O The rate would remain the same.
O The rate would be zero

Answers

The answer is the rate would increase, hope this helps.

What is a pioneer species? (Will give brainiest)

Answers

Answer:

The first species to colonize an ecosystem that is previously damaged or disrupted. Supplement. Pioneer species is the first to colonize an ecosystem previously disturbed or damaged. For example, sand that has become barren is colonized by a pioneer species of lyme grass (Leymus arenarius)

Explanation:

Mushrooms are a type of fungus. What characteristic of fungi makes them different from plants?
A. Fungal cells are eukaryotic.

B. Fungi are multicellular.

C. Fungi are heterotrophic.

D. Fungi have cell walls.

Answers

Answer:

C. Fungi are heterotrophic.

Explanation:

Mushrooms are a type of fungus. Fungi are heterotrophic, this characteristic of fungi makes them different from plants.

The diagram below indicates the nucleus of an animal cell. nucleus Image courtesy of NIGUSNIH How does the nucleus of the cell contribute to the overall function of the cell? A. The nucleus changes sunlight to cellular food. B. The nucleus makes energy for the cell. C. The nucleus provides structural support for the cell. D. The nucleus regulates all cellular activity.​

Answers

Answer:

D. The nucleus regulates all cellular activity

Answer: D. The nucleus regulates all cellular activity

all prokaryotes are single-celled organisms. compare prokaryotes and eukaryotes. select the characteristics that only apply to prokaryotes.
•these cells contain membrane bound organelles.
•these cells have DNA contained in nucleus.
•these cells have DNA in a region called the nucleoid.
•some of these cells have structure like flagella and microvilli.
•these cells have cell walls made of polypeptides and polysaccharides.
•these cells have cell walls made of cellulose.

Answers

These cells have DNA in a region called the nucleoid.

-Some of these cells have structures like flagella and microvilli.

-These cells have cell walls made of polypeptides and polysaccharides.

Answer:

These cells have DNA in a region called the nucleoid.

-Some of these cells have structures like flagella and microvilli.

-These cells have cell walls made of polypeptides and polysaccharides.

Explanation:

Which of the following features exposed during glacial periods but covered by ocean water during non-glacial periods?

Answers

Answer:

Continental shelf

Explanation:

I checked in lesson also took the exam.

continental shelf exposed during glacial periods but covered by ocean water during non-glacial periods.

What is a continental shelf?

The undersea boundary of a continent is known as a continental shelf. The seven major divisions of land on Earth are called continents. From a continent's shoreline to a point known as the shelf break, a continental shelf runs.

Due to its relative accessibility, the continental shelf is the area of the ocean floor that is most understood. The continental shelf is where the majority of commercial sea resource extraction occurs, including the extraction of hydrocarbons, non-metallic ore, and metallic ore.

Thus, the continental shelf is exposed during glacial periods but covered by ocean water during non-glacial periods.

Learn more about the continental shelf, here:

https://brainly.com/question/383674

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What must happen before meiosis can begin?
A. Four gametes must be produced.
B. The four tetrads must be pulled apart.
C. DNA doubles and produces sister chromatids.
D. The cell membrane pinches together.


Answers

The process that must happen before meiosis can begin is that DNA doubles and produces sister chromatids (Option C).

What is meiosis?

Meiosis is a cell division process that generates four daughter cells having half of the DNA when compared to the parental cell.

Meiosis needs first the duplication of the genetic material by means of a synthesis stage (S phase).

In conclusion, the process that must happen before meiosis can begin is that DNA doubles and produces sister chromatids (Option C).

Learn more about meiosis here:

https://brainly.com/question/8253366

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HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP



Answers

it’s the option D i think

It is projected that an increase in carbon dioxide levels in the atmosphere will MOST LIKELY lead to _____.
Select one:
a. lower-than-average hurricane rates
b. higher-than-average ice levels in arctic
c. higher-than-average sea levels
d. lower-than-average ocean temperatures

Answers

I think is answer A, not to sure

Explain how this mutation will result in competition within the population that is linked to the idea of survival of the fittest.

Answers

Answer:

Survival of the fittest, term made famous in the fifth edition (published in 1869) of On the Origin of Species by British naturalist Charles Darwin, which suggested that organisms best adjusted to their environment are the most successful in surviving and reproducing. Darwin borrowed the term from English sociologist and philosopher Herbert Spencer, who first used it in his 1864 book Principles of Biology. (Spencer came up with the phrase only after reading Darwin’s work.)

Herbert Spencer's Principles of Biology (1864) first introduced the expression “survival of the fittest.”

Survival of the fittestQUICK FACTSKEY PEOPLEAlfred Russel WallaceHerbert SpencerRELATED TOPICSAdaptationNatural selectionDarwinian fitnessUse in evolutionary theory

Darwin did not consider the process of evolution as the survival of the fittest; he regarded it as survival of the fitter, because the “struggle for existence” (a term he took from English economist and demographer Thomas Malthus) is relative and thus not absolute. Instead, the winners with respect to species within ecosystems could become losers with a change of circumstances. For example, fossil evidence supports the notion that the mammoth (Mammuthus) was more fit during the most recent ice age (which ended roughly 11,700 years ago), but it became less fit as humans hunted it and the world’s climate warmed; fossil evidence suggests that the mammoth succumbed to extinction a few thousand years later.

Darwin’s theory of evolution by natural selection entailed three crucial elements: variation, reproduction, and heritability. Variations in the physical features of organisms that tend to benefit an individual (or a species) in the struggle for existence are preserved and passed on (or selected), because the individuals (or species) that have them tend to survive. The success or failure of a given variation is not known when it emerges; it is known only retrospectively, after organisms that possess it either grow and mature and pass it to their own offspring or fail to mature and reproduce.

Importantly, Darwin was influenced by the thinking of English physicist and mathematician Isaac Newton, whose system emphasized experimentation, mathematics, and logic over subjective sense experience. During Darwin’s time, his evolutionary theory was an attempt to construct a similar system for the living world, a frontier not yet crossed in the biological sciences.

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Some philosophers and scientists have suggested that the notion of survival of the fittest is an example of circular reasoning—that is, a tautology (a statement framed in such a way that it cannot be falsified without inconsistency). In tautologies, any true statements that follow are a matter of definition. Indeed, describing those that survive as the fittest is similar to stating that those that survive survive. British philosopher Karl Popper considered “survival of the fittest” self-evident at first; however, he changed his mind after realizing that Darwin posited variation axiomatically; that is, Darwin noted that all individuals did not start with the same set of characters (or traits). Therefore, the forces affecting survival did not weigh on individuals and species equally; there were always variations, some of which would prove favourable and confer fitness over others.

Explanation:

please give this answer as brainliest answer

7. What biological process occurs after there has been a disturbance such as a flood, or a tornado-in an established ecosystem?

Answers

Answer: Ecological disturbance, an event or force, of nonbiological or biological origin, that brings about mortality to organisms and changes in their spatial patterning in the ecosystems they inhabit. Disturbance plays a significant role in shaping the structure of individual populations and the character of whole ecosystems.

Explanation:  Source where I got the answer from: https://www.britannica.com/science/ecological-disturbance

You can copy the link and paste.put it in the search and click and there you go.

Which of the following statements accurately describes the rock cycle?

Question 1 options:

A. Sedimentary, igneous, and metamorphic rocks are formed and broken down


B. The rock cycle only describes the formation of rocks, not the transportation or deposition


C.The rock cycle only describes the formation of rocks above ground


D.The rock cycle only describes how igneous rocks are formed

Answers

Answer: The Answer would be A

Explanation:

a) ¿Qué son las enzimas y por qué se las denomina catalizadores biológicos?

Answers

Answer:

las enzimas son proteínas y aceleran reacciones químicas.

Unlike other cell parts, mitochondria can accumulate mutations with every cell division. Why? A. Mitochondria exist outside of the cell's nucleus b. Mitochondria are susceptible to toxins c. Mitochondria have their own DNA d. Mitochondria are fragile

Answers

Answer:

c. Mitochondria have their own DNA

Explanation:

The
store(s) more carbon than the atmosphere.
O rock
trees
oceans
Osoil

Answers

Answer:

Oceans

The oceans are a massive carbon sink, and part of the positive reinforcement of the greenhouse gas cycle is that, as the oceans become warmer, then tend to release more carbon dioxide dissolved in the water which in turn drives temperatures warmer.

DNA is a
A. lipid

B. nucleic acid

C. carbohydrate

D. protein

Answers

Answer:

B

Explanation:

Answer:

B. nucleic acid

Explanation:

DNA is a type of Nucleic acid.

How many amino acids must be obtained in the diet because they cannot be made by the body?
2
5
10
20

Answers

amino acids we obtained in the diet about 10

what is the primary source of engery in a food chain ?​

Answers

The sun is the primary source of energy

The cell membrane controls what enters and leaves the cell. Which of the
structures in the diagram below is the cell membrane?
E
F
B
Ο Α.Ε
OB. A
Ос. В
ODC

Answers

C shows the structure of the cell membrane

The arrows in a food chain show: a Who eats who b Heat energy being lost c The movement of energy between organisms d The route of food to the shops

Answers

Answer:

c The movement of energy between organisms

Explanation:

Pyramid of energy is a model used to depict the flow of energy from one trophic level or feeding level to the next in an ecosystem. It's a diagram that compares the energy used by organisms at each trophic level of the food chain. The pyramid of energy must never be inverted or turned upside down.

The units used in the construction of pyramids of energy is kilocalories (kcal) or energy per area per time (Jm-²year-¹).

This ultimately implies that, the arrows in a food chain show the movement of energy between organisms such as from producers which are autotrophs or self-feeders such as plants to the tertiary consumers.

Furthermore, a list of the types of organisms in an eco pyramid are;

I. Producers: these are autotrophs or self-feeders such as plants.

II. Primary consumers: these are herbivores that typically feed on plants such as a goat or deer.

III. Secondary consumers: these consists of carnivores that typically feed or eat flesh such as lion, tiger, cheetah, etc.

IV. Tertiary consumers: these are higher predators such as humans that aren't normally fed on by other organisms in the ecosystem.

Answer: The arrows in a food chain show (The movement of energy between organisms). The correct option is C.

Explanation:

In an ecosystem, a food chain shows the transfer of energy and nutrients ( food) from organisms to organisms in a feeding pathway. Instead of giving functional group names such as primary producer, primary consumer and so on, in a good chain, the organism at each step is identified. Thus,

Grass-------> Zebra ---------> lion

(Primary (Primary ( secondary

producer). consumer) consumer)

this is an example of a simple food chain in a grassland ecosystem. This ARROWS represented above shows the direction of energy flow through an ecosystem.

Furthermore, the grass traps solar energy and stores it as chemical energy in the food made during photosynthesis. When eaten by Zebra, which is the primary consumer, the energy stored in the grass is transferred to the consumer. This transfer is inefficient as some of the stored chemical energy is lost as heat. When the zebra is eaten by a Lion,which is the secondary consumer.

which definition goes where idefk I’ll give u brainlist biology teacher driving me nuts omfmsjajhahwahsn

Answers

Primary succession- soil needs to be rebuilt
Secondary succession- soil is still present
Pioneer succession- first species to arrive at an uninhabited environment

Lmk if this helped!

Which of the following is not true about renewable energy sources?


They do not pollute the air.

They can help save energy costs.

They do cause an increase in greenhouse gases.

They do not use up a finite supply of a resource.

Answers

Answer:

They do cause an increase in greenhouse gases.

Explanation:

Renewable resources are the resources that are available in abundance that do not have adverse effect to the nature. These resources are available in abundance and they are not subject to extension. They are also said to be known as clean energy. renewable energy is obtained by the renewable resources. The pollution is caused minimal and the energy is saved by the use of renewable resources.

Answer:

C. they do an increase in greenhouse gases

Explanation:

What rock and type of rock was found at the triangle shaped landform on Mars?

Answers

Answer:

heeya I'm jessyour answer is here

the triangle shape solid rock that form over time is called an alluvial fan.

Explanation:

hope it may help you oopa/cissy whatever hahaha

What is the function of hemoglobin?

A. to carry oxygen

B. to carry carbon dioxide

Answers

A. To carry oxygen

hope it is helpful to you

Answer is A. Because hemoglobin (Hb) is a metalloprotein found in red blood cells. Red blood cells transport Oxygen throughout the body.

Explain how different types of cells help organisms live and grow?
Different types of cells have different jobs that are necessary to keep organisms alive.
Different types of cells are only found in specific types of organisms.
Cells are necessary in order for all organisms to grow big and hunt for their food source.
Cells provide support for all organisms to be able to move.

Answers

Answer:

Different types of cells have different jobs that are necessary to keep organisms alive. And cells also give the living animal more support. They also hold the genetic information of that organism in their nucules. This is with most cells but bacteria cells do not contain nucules.

When new molecules are introduced to one isolated area of a solution, there will temporarily be a high concentration of those molecules in one area of the solution. What is the name for the spontaneous process of dispersing these molecules to create a uniform concentration throughout the solution?
1. osmosis
2. transport
3. filtration
4. diffusion

Answers

Answer:

4.Diffusion

Explanation:

Diffusion if the movement of particles from a region of high concentration (where there is many) to a region of low concentration (where there is less) until it is evenly distributed.

When blood glucose concentration rises, the pancreas secretes _______, and when blood glucose levels fall the pancreas secretes _______.

Answers

Explanation:

when glucose concentration is high the pancreas secretes more insulin while if the glucose level falls the pancreas secretes glucagon to raise them

Insulin and glucagon
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