1.- How does photosynthesis contribute to the survival of humans?
2.- Explain the effect cyanobacteria had on the early atmosphere of Earth and the evolution of life?
3.- Suppose chromosomes in skin cells are damaged by ultraviolet radiation. If the damaged gene does not affect the cell cycle, do you think the cell will become cancerous?
4.- How is mitosis involved in the healing of a wound?
5.- How is the cell cycle-related to the growth and maintenance of an organism?
6.- What role does differentiation play in the cell cycle?
7.- Explain the connection between the cell cycle and cancer development?
8.- Must the cell cycle always proceed in the same direction, or is it possible for the cell cycle to proceed in the opposite direction? Explain your reasoning.
9.- Explain how crossing over provides evidence to support the claim that meiosis increases genetic variation.
10.- Why is it important that human gametes have half a set of DNA instead of a full set of DNA?
11.- In what ways is ATP like a fully charged battery?

Answers

Answer 1

Answer: By storing carbon above and below the ground, the trees and plants in forests contribute to the production of oxygen as a byproduct of photosynthesis. ... Photosynthesis provides most of the oxygen that humans and animals breathe.


Related Questions

Artificial selection has produced a wide variety of crop plants, livestock, and pets. Which characteristic of artificial selection makes it different from natural selection

Answers

Answer:

Genetic Problems

Explanation:

When people genetically modify animals, they can mess up a lot of their natural abilities. For example in some cases scientist have made cows who produce more milk, but couldn't reproduce anymore because of it. Sometimes it even hurts the animal. People have bred dogs in certain ways that makes it hard for them to breathe, like Bull dogs who has respiratory issues. This makes decreases their life span and continuing to bred them will only make it worse. When scientist have a certain trait they want they also make animals breed with their own families. Incest creates a lot of genetic problems.

I hope this helped.

PLEASE THIS IS NOT DIFFICULT I WILL MARK BRAINLIST



4. Explain why transcription must occur in the nucleus.



5. Why does a cell need to carry out transcription before translation?

Answers

Answer:

4. Transcription takes place in the nucleus. It uses DNA as a template to make an RNA molecule. RNA then leaves the nucleus and goes to a ribosome in the cytoplasm, where translation occurs. Translation reads the genetic code in mRNA and makes a protein.

5. Transcription needs to occur before translation because the product of transcription, messenger RNA (mRNA), is the starting material for translation.

6. Which list of characteristics describes organisms classified as animals?

Answers

Answer:

Animals are heterotrophs; they must consume living or dead organisms since they cannot synthesize their own food and can be carnivores, herbivores, omnivores, or parasites

Explanation:

What is the third part of cell theory?
All cells come from pre-existing cells
All cells contain DNA
All cells contain a nucleus
All cells maintain homeostasis

Answers

Answer:

Explanation:

All cells come from pre-existing cells

All cells come from preexisting cells

Study the organ systems in the diagram below.
rema
The organ system that filters and removes waste from the human body

Answers

Answer:

The urinary system filters and removes waste from the human body

If a link is removed or destroyed in the food chain of a biome, the chain will be disrupted.
True or False
Plz hurry

Answers

True because when you take it out it affects it both ways

It is true because any food chain needs every link, if it is missing even 1 link another will fail eventually.

In ____ ecosystem decomposers breakdown dead or decaying organisms, returning nutrients to the soil to be used by plants.
a. An unstable
b. A balanced
c. A defective

Answers

a balanced ecosystem
A balanced is the answer :)

Selective breeding can produce plants and animals with
A
desired traits.

B
undesired traits.

C
extra chromosomes.

D
fewer chromosomes.

Answers

Answer:

A Desired traits

Explanation:

selective breeding is the breeding animals or plants to get desired traits.

Rhinos and zebras will often be seen with small birds known as Oxpeckers on their back. This is because the Oxpeckers eat the parasites and other bugs that live on the zhino or zebra's skin. What type of ecological relationship is this?

1 Commensalism

2 Predation

3 Parasitism

4 Mutualism​

Answers

Answer:

4. Mutualism

Explanation:

mutualistic relationship

Answer: 2

Explanation:

PS love your hair

Unit 4 review grade 5

Answers

Answer:

theress no question

Explanation:

Answer:

you left me speachless and where is the photo how am i soupposed to do your work if i dont know what im doing

btw the answers 4

Explanation:

What is the best way to describe the concept of “homeostasis”.

Answers

^^^^^^^^^^^^^^^^^^^^

Which organism has the least amount of energy in this food web?

Answers

Answer:

Eagle

Explanation:

Energy lessons the higher the animal is

Ex-

1000 plant

100  deer

10 wolf

Every monarch butterfly migrates. This statement _______. A) is true B) can be made true by change "Every" to "No" C) can be made true by deleting "monarch" D) can be made true by changing "Every" to "The final generation

Answers

Answer:

The answer is option A "Is True"

Explanation:

The Monarch is notable for its capacity to travel significant stretches, and the migrations in North America are one of the best common marvels on the planet. This butterfly is additionally periodically recorded from the English Isles, making it our biggest and most extraordinary traveler butterfly.

Each fall, a great many ruler butterflies move 3,000 miles from their favorable places in northeastern North America to spend the colder time of year in the timber lands of southwestern Mexico. Every movement is by new generation, so they can't gain from others. All things being equal, they depend on their qualities. Their antennae have a genetic clock that reveals to them when to move and to explore they measure the sun's situation not too far off with their eyes.

Which of The following are challenges to implementing sustainable farming practices? Select two correct answers.

a. increased need for fertilizer
b. lack of pollinating insects
c. higher initial costs
d. increased erosion
e. increase labor costs

Answers

Answer:

I think its A and E

Explanation:

^^^^^^

The challenges to implementing sustainable farming practices: higher initial costs;  increase labor costs.

What is  sustainable agriculture?

It is an integrated system which includes both plant and animal farming practices, which hence has a minimum effect on the environment. It involves using substances of natural origin and hence meets the needs without causing an adverse impact on the environment.

What are its advantages?It prevents pollution since the waste remains in the farm's ecosystem.There is a reduction in the production of waste, and the waste of one is used in the other.It saves energy as there is a lower requirement for non-renewable resources.It doesn't use agrochemicals.It involves methods that reduce soil erosion, like managing irrigation, covering the soil with tillage.What are its disadvantages?It takes more effort since the use of machines is minimal.Limited use of land and hence, mass production is not possible.What are the challenges?New farmers have to struggle with high labor demand since it involves less use of machines and hence more workers are required.Before harvesting their first crop, young farmers require a huge sum of up-front capital, which is even more for biologically diverse farms.

Hence the correct options are (c) and (e) higher initial costs;  increase labor costs.

To learn more about sustainable farming here,

https://brainly.com/question/15840377

#SPJ2

What are the Reactants of Respiration?

a
Water and sunlight
b
Carbon dioxide and Sunlight
c
Food and Oxygen
d
Carbon dioxide and water

Answers

Answer:c.food and oxygen

Explanation:A and B are wrong because respiration does not need sunlight. D us wrong because CO2 are products if respiration, not reactants.

Which organisms should be classified in more than one trophic level?

Answers

A trophies level pertains to the position of an organism in the food chain. Humans are the most dominant organism that belong to more than one trophies level. When we eat plants we become the secondary or the tertiary consumers.

Birds are also organisms that belong to more than one trophies level. When birds eat seeds they become the primary consumer, but when they eat insects they become the secondary or even the tertiary consumers.

Which factor is most important for determining the phase in which a substance exists?
A. its volume
B. its density
C. its temperature
D. its mass

Answers

Answer:

The answer is Mass

Students are conducting a lab estimating the time it takes for the cell cycle in normal chicken cells. They find that the average time for one complete cell cycle is 22 hours.
What differences would they expect to see in cancerous chicken cells?
A Cancerous chicken cells will spend more time in interphase.
b Cancerous cells will not complete all phases of the cell cycle.
c Cancerous chicken cells will complete mitosis in a shorter amount of time.
d Cancerous chicken cells and normal cells will have the same total time to complete the cell cycle.

Answers

Answer:C!

Explanation:

Cancerous chicken cells will complete mitosis in a shorter amount of time.

The difference they would expect to see in cancerous chicken cells is cancerous chicken cells will complete mitosis in a shorter amount of time. The correct option is c.

What are cancerous cells?

Cancerous cells are those cells that cause cancer in organisms. These cells are the converted form of normal cells. The normal cells are converted into cancerous cells by the means of mutagens.

The cell cycle is the cycle of the division of a cell. The cell divides itself and forms a new daughter cell. That's how a body increases the older cells to divide and produce new cells. The process is called mitosis.

Now, the normal cells divide at a constant and normal rate that is needed, but the cancerous cells divided abnormally and rapidly which cause tumor in the body.

Thus, the correct option is c. Cancerous chicken cells will complete mitosis in a shorter amount of time.

To learn more about cancerous cells, refer to the link:

https://brainly.com/question/436553

#SPJ6

I need to know number 7. anything will help

Answers

Answer:

I'm not sure of the answer but I do believe it is C The Great Lakes

What is the definition of totipotent?

Answers

Answer:

This is what it means,

Explanation:

of an immature or stem cell) capable of giving rise to any cell type or (of a blastomere) a complete embryo.

"totipotent embryo cells can differentiate into a hundred different cell types specialized to form such tissues as skin, marrow, and muscle"

Answer:

(of an immature or stem cell) capable of giving rise to any cell type or (of a blastomere) a complete embryo.

Explanation:

Blood type is controlled by the inheritance of any two of the following alleles: IA, IB, or i. IA codes for type A blood. IB codes for Type B blood. Both IA and IB are codominant. The i allele is recessive and will cause Type O blood whenever two copies of the allele are present.

If a mother has Type AB blood (IAIB) and a father has Type O blood (ii), what percentage of their children are likely to have Type A blood?

A. 25%

B. 50%

C. 100%

D. 0%

Answers

IAIB   X      iifrom this image you can deduct that the correct answer to this question is B.50%

Answer:

B

Explanation:

Why do levels of photosynthesis change based on location and time of the year?

Answers

Answer:

Because of the Earths rotation

Explanation:

Hope this helps

Answer:

Being in a hot climate can destroy the stage of photosynthesis or a cold climate, and if in the winter, it can get really cold, or in the fall windy...

Explanation:

i need help with this can someone help me?

Answers

Explanation:

Predation plays an important role in the overall health of an ecosystem since it regulates the population of preys as well as maintain the population of higher-level consumers. If predators were eliminated from an ecosystem, it would cause an increase of the population of preys and potentially decrease the population of other organisms on lower trophic levels. An example of such effect can be seen from the population of rabbits and plants supposing that foxes, eagles and snakes are eliminated from the ecosystem. The rabbit population will multiply, causing a decrease in the population of plants such as grass that rabbits feed on.

Hope this helps :)

Can Someone Help Me Please

Answers

Answer:

its a

Explanation:

it genetics thats get passed down from parents

Answer:

A. The passing of characteristics from parent to offspring

Explanation:

**EMERGENCY IN TEST RN** How did the offspring end up with traits that are different from the traits of their parents?​

Answers

Answer:

the inherited recessive genes. recessive genes could lay dormnant for generations before showing themselves

HELP I NEED FAST PLZZZ Belinda wrote the following phrase to describe the movement of particles in a state of matter.

"Marbles glide past one another."

Which state of matter did Belinda most likely describe?

Answers

Answer:

Liquid

Explanation:

Its liquid!!!

would the answer be B?

Answers

Answer:

yes it should be B.

e Sudan Black
7. How many water molecules are removed when Sucrose gets broken down into glucose and
fructose?
a. 1
b. 2
C. 3
d None

Answers

3 hope this helps!!!!!!!!!!!!!!!
3 I am pretty sure!!!!!!!!!!!!!

Which of these organisms is capable of cellular respiration?
1. Kelp
2. Urchins
3. Otters

Answers

Answer:

Otters

Explanation:

Cellular respiration is the process of the cells inside the body breaking up the sugars and then the mitochodria turns it into energy for the cells. ... Inside the otter diffusion happens throughout the lungs.

A mutation that could be inherited by offspring would result from-?

Answers

Answer: Along with substitutions, mutations can also be caused by insertions, deletions, or duplications of DNA sequences. Some mutations are hereditary because they are passed down to an offspring from a parent carrying a mutation through the germ line, meaning through an egg or sperm cell carrying the mutation.

Explanation:

A mutation that could be inherited by offspring would leads from a base substitution in gametes during meiosis. The correct option is D.

What is mutation?

Any alteration to a cell's DNA sequence. Alterations in cell division can result in specific mutations.

As can exposure to environmental DNA-damaging substances. Mutations may be negative, positive, or ineffective.

Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations.

Somatic mutations (which happen in body cells) cannot be passed on to offspring, whereas germline mutations (which happen in eggs and sperm) can.

A base substitution in gametes during meiosis would result in a mutation that might be passed on to progeny.

Thus, the correct option is D.

For more details regarding mutation, visit:

https://brainly.com/question/17130462

#SPJ6

Your question seems incomplete, the probable complete question is:

A mutation that could be inherited by offspring would result from-?

Other Questions
i need help on this asap should musicians change their tune? Please please help me. Explain, in detail, the difference between a population and a community Which of these sentences is written in the past tense? Micah is wishing for a puppy for his birthday. Micah wishes he would get a puppy for his birthday. Micah wished for a puppy for his birthday. Micah will wish for a puppy for his birthday. Help me please this is due today Help pleaseeee!!!!!!!! i need help please!!Wich factor most contributed to the creation of the documents in this list?A) The opportunity for trade with American indians B) The distance between the colonies from great britten C) The doctrine of the church of EnglandD) The economic system of mercantilism Derek weighs 155 pounds and drives a utility vehicle that can carry no more than 220 pounds. He plans to use his utility vehicle to haul blocks to his backyard. Which inequality shows the number of 3 pounds, b, Derek can haul at one time on his utility vehicle You are part of a sales group that has been asked to give a presentation.Before you begin, what should you and your group do?O A. Figure out who is the best public speaker.O B. Look into file-sharing options so that everyone can work on thesame file at the same time.OC. Buy the best software on the market.O D. Ask if you have to give a slide presentation. a bag contains 1 blue 2 greens three yellows and three red marbles are shown which probability of drawing a red marble out of the bag without looking Brand 1 of antifreeze claims that it can withstand temperatures of 62C. Brand 2 of antifreeze claims that it can withstand temperatures 5C below those of Brand 1. Which expression represents the temperatures Brand 2 can withstand? Name a relatively modern entrepreneur (last 50years) and describe their new venture. Why is Capulet shocked and angry when Juliet refuses to marry Paris?Capulet assumed that Juliet would cave to his demands.He thinks that Juliet is not proud of the match.He thinks that she's ungrateful and doesn't care.He thinks that Juliet is too stuck up. An airplane covers 94 miles in 6 of an hour.The plane can covermiles in 6 hours. I need help ASAPDoes this show a function please explain 1. Tell me if this is true or false. If it is false tell me why. "Cereal grains are an excellentsource of complex proteins." HELPP PLEASE THIS IS VERY IMPORTANTT: Scientists on a space shuttle mission studying plant growth would probably see that the plants on the space shuttle do not grow in the same direction and pattern as those on Earth. Scientists working in space would MOST LIKELY be studying the effects of which of the following stimuli on plant growth?A) gravityB) oxygenC) radiationD) temperature HELPPPP ASAPPPPPP WILL MARK BRAINLIST brainstorm 5 ways you can settle an argument more effectively then restoring to a dual Word Bank debajo -- hay -- encima -- ests -- A la izquierda -- aqu -- estoy en Leticia: Hola, Ana. Qu tal? Dnde ?Ana: Hola, Leticia. Estoy bien, mi dormitorio. Leticia: Cmo es tu dormitorio, Ana?Ana: Mi dormitorio es bonito. una cama y un armario. Mi ropa est de mi cama, en el suelo! de mi cama hay un armario grande. Cmo es tu dormitorio?Leticia: Mi dormitorio es muy colorido, pero pequeo. Tengo un televisor grande de mi cmoda. Pero est mi madre. Maana hablamos ms de mi dormitorio.