Answer:
. Leigh is rare and is 1 in 30,000 to 1 in 40,000 people at birth. Mitochondrial DNA-associated Leigh syndrome, which is more rare than nuclear gene-encoded Leigh syndrome, is likely to occur in about 1 in 100,000 to 1 in 140,000 births.
Explanation:
an amoeba is a single celled organism that feeds on algae plant cells and bacteria when an amoeba feeds it first makes contact with the food particle next the amoeba starts to surround the particle once the particle is completely engulfed it is surrounded by a layer of the amoebas membrane forming a vasicle the ph in the vesicle is then lowered and the contents are degraded. what type of transport is involved in this process? A exocytosis B endocytosis C passive transport D diffusion
Answer:
B endocytosis
Explanation:
Amoeba is madeup of single cell and having a true nucleus or membrane around the nucleus. Amoeba belongs to kingdom protista because it has some characteristics of animals such as it can move from one place to another. Amoeba used phagocytosis which is a type of endocytosis in which large substances are entered into the cell.
cellular DNA is stored in the blank, an organelle that also acts as the brain of the cell and directs all cellular activities
Answer:
nucleus
Explanation:
nucleus is an organelle that is aka "brain of the cell"
Answer:
Nucleus
Explanation:
Nucleus is an organelle that controls all cells activities
2. The Articles of Confederation were easy to change.
(5 Points)
True
False
Answer: True
Explanation:
Answer:
False
Explanation:
The articles of confederation was a document so therefore the person editing it has to write more and then add to another document so it was not easy because not only did the editor have to edit one document he had to edit multiple most likely.
Before the chickenpox vaccination was available, children were often purposely exposed to the virus at
young age. What was the reason for doing this?
ANSWER: Children were purposely exposed to the virus at a young age because once this virus enters in a human body, the body gradually develops immunity and a resistance to this virus, and hence, later after it's cure there are almost no chances of getting the virus of chickenpox again in a same body.
If the high projection is correct, what will need to happen to
ensure the human population has enough food?
O
A. Humans will have to focus more on ideas and services.
O
B. Humans will have to return to hunting and gathering.
O
C. Humans will have to find more efficient ways of growing crops.
To ensure adequate food for a growing human population, we must focus on sustainable food systems and more efficient crop production, increasing the environment's carrying capacity while minimizing environmental impacts.
Explanation:If the high projection of human population is accurate, to ensure there is enough food, humans will have to find more efficient ways of growing crops. With the burgeoning population, it is essential that sustainable food systems are employed to provide healthy diets while minimizing environmental impacts. This involves improving agricultural productivity, reducing waste, and developing technologies for better food production methods. The shift towards high-efficiency agriculture should ideally increase the carrying capacity of our environment, allowing it to support a greater human population sustainably. This tackles the challenges outlined in Cornucopian theory, which relies heavily on human ingenuity to overcome resource limitations. Moreover, as global demand for higher quality food grows, and natural habitats are converted to croplands, strategies to prevent the risk of species extinction and maintain biodiversity must be integral to food production planning.
The tundra is cold year-round. it has short cool summers and long, severe winters. The tundra has a permanently frozen sublayer of soil called permafrost. Like the desert, the tundra receives little precipitation, about 4 to 10 inches per year, and what does fall is usually in the form of snow or ice. It has long days during the growing season, sometimes with 24 hours of daylight, and long nights during the winter. Which adaptations would you expect to see in plants growing in the tundra?
A) leaves with hair help shade the plant, reducing water loss.
B) small and grow in clumps for protection from the wind and cold
C) deep roots to help capture nutrients from deep below the surface
D) tall plants with broad, thin, waxy leaves leaves so water easily runs off
Each living thing in a food chain plays a role in the flow of energy in an ecosystem. To the right this is a picture of a simple food chain. The rabbit eats the carrots in the fox it’s the rabbit. What is the primary role of the rabbit in this food chain
A). To form a habitat
B). To find space to live
C). To be a source of water
D). To be a source of energy
The primary role of the rabbit in this food chain is to be a source of energy.
The primary role of the rabbit in this food chain is to be a source of energy.
In a food chain, energy flows from one organism to another as organisms eat and are consumed by other organisms.
The rabbit, as a herbivore, consumes the carrots in the food chain and serves as a source of energy for the fox.
The energy stored in the rabbit's body is then transferred to the fox when it eats the rabbit.
True or False: Most cells in the human body are the same age as the individual since we keep all of the cells we are born with.
Answer:
False
Explanation:
Our cells are dying every minute, and our body is making more to compensate for the losses. In fact, about 70 billion of our cells die each day!
Hope this helps! :)
Answer:
I’d say true
Explanation:
From what I know they merely get older and stop dividing. To say most not 100% sure since we get injured and that caused cells to die trying to help (exposure)
PLEASE HELP MEEE its multiple choiceeeee
Level of organization order from largest to smallest:
A: cell, bacteria, virus
B: virus, cell, bacteria
C: bacteria, virus, cell
D: cell, virus, bacteria
Which of the following is not a factor that describes weather? A) precipitation b) sky conditions c) temperature d) elevation
Answer:
elevation
Explanation:
the other three regularly change and vary in the same location while elevation is something that describes the geography of the location
Please help.
NOT BIOLOGY! EARTH SCIENCE WASN'T A CHOICE!!
Answer:
Deforestation - The clearing or cutting down of trees.
Desertification - The process by which habitable land turns uninhabitable.
Urbanization- The movement of people from rural areas to cities.
Explanation:
I had earth sciences last year and I forgot most of what happened but eh you could probably solve this with the root words of the words.
"Deforest," or "derive of a forest." Cut down trees.
"Desert" or "deserted," uninhabitable.
"Urban, urbanized" like "urbanized area" or "urbanized population" which relates to a town or a city.
Hope this helped.
Which organism in an ecosystem eats other organisms?
A. decomposer
B. consumer
C. producer
D. prey
Answer:
Consumer
Explanation:
Consumers eat other organisms in their ecosystem to survive
Thank me later :)
Which of these are considered long-term human-induced environmental changes? Check all that apply.
pollution
human-created mass extinction
eutrophication
non-sustainable harvesting
ozone layer destruction
global warming
Answer:human-created mass extinction and ozone layer destruction.
Explanation:
Final answer:
Long-term human-induced environmental changes include pollution, global warming, ozone layer destruction, non-sustainable harvesting, human-created mass extinction, and eutrophication. These activities lead to lasting impacts such as increased temperatures, sea level rise, loss of biodiversity, and disruption of aquatic ecosystems.
Explanation:
Long-term human-induced environmental changes include a variety of processes that have significant and lasting impacts on our planet's ecosystems. Among these, pollution, which introduces harmful substances into the environment, and ozone layer destruction, caused primarily by chlorofluorocarbons (CFCs), lead to increased UV radiation and affect both human health and ecosystems. Another critical issue is global warming, mainly due to the burning of fossil fuels which raises Earth's temperatures and sea levels, posing threats to biodiversity. The unsustainable harvesting of resources, which leads to overexploitation of ecosystems, and human-created mass extinction, as a result of habitat destruction and overpopulation, are also long-term changes that disrupt the balance of ecosystems. Additionally, eutrophication, which is the nutrient enrichment of water bodies often from agricultural runoff, leads to harmful algal blooms and dead zones that can devastate aquatic life.
Identify the nonspecific immune response described
______is characterized by heat redness, swelling and pain.
______is the 1st line of defense that prevents pathogens from entering body.
______causes elevated internal temperatures making a less hospitable environment for
pathogens.
______are white bloods cells that try to consume pathogen.
Options are Fever- Inflammation-Phagocytes-Skin
The initial line of defense against pathogens entering the body is the nonspecific immune response, 1- Inflammation, 2-Skin, 3- Fever, 4-Phagocytes.
What is a nonspecific immune response?Which is marked by heat, redness, swelling, and discomfort.key indicators of inflammation five recognizable symptoms are produced by the body as a result of inflammation.
A tumor (swelling, edema), heat flushing (redness), discomfort, and function loss. Vascular dilatation results in heat and flushing, and an increase in local blood flow gives the area a crimson hue.
The nonspecific immune response, which is marked by heat, redness, swelling, and discomfort, is the body's first line of defense against infections.
Therefore, in nonspecific immune response, 1- Inflammation, 2-Skin, 3- Fever, 4-Phagocytes, is characterized.
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Answer:
1- Inflammation
2- Skin
3- Fever
4- Phagocytes
c) What is produced by mitosis? (1 point)
Answer:
A new/replication of the cell that underwent mitosis.
Answer:
In eukaryotic cells mitosis produces new cells
In prokaryotic cells it reproduces other cells
Which characteristic contributes MOST to the survival of the different birds on the islands?
the main food sources of the birds
the habitats in which the birds live
the shapes of the birds' beaks
the nanulations of the birds on the island
Final answer:
The shapes of the birds' beaks are the most crucial characteristic for their survival, reflecting adaptations to their specific food sources on islands like the Galápagos, a process known as adaptive radiation.
Explanation:
The characteristic that contributes most to the survival of different birds on islands such as the Galápagos is the shape of the bird's beaks. Through a process known as adaptive radiation, bird populations that colonize new environments, like isolated islands, can undergo evolution to fill various ecological niches. The beaks of birds have adapted to become most efficient for the food sources available in their specific habitat. For instance, seed-eating birds have thicker, stronger beaks to break hard nuts, nectar-eating birds have long beaks to access nectar deep within flowers, and insect-eating birds have beak shapes suitable for capturing and impaling insects. This specialization of beak shapes, sculpted by natural selection, is critical for the bird's ability to find food and thus, for their survival.
has amplitude, wavelength, and frequency
O
light
O
sound
O
light and sound
A flood that covers and meadow and drowns animals and a late frost that kills young
plants are examples of how ___________ can affect the size of a population.
Answer:
weather
Explanation:
A flood that covers a meadow and drowns animals and a late frost that kills young plants are examples of how ____ can affect the size of a population.
They are all examples of how Weather can affect the size of a population : Weather
Effects of Weather conditionsWeather conditons of an ecosystem plays a vital role in the growth and survival of populations of species in the ecosytem. Harsh or adverse weather conditions such as heavy flooding, and severe drought conditions adversly affects the population of species in a ecosystem.
Hence we can conclude that They are all examples of how Weather can affect the size of a population
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This is the kingdom of heterotrophs that obtain energy and nutrients from dead and decaying organic matter.
Example: mushrooms
Answer: Kingdom Fungi/Fungus
Explanation:
Explanation:
saprophytic feed on dead and decaying organic matter
Which statement is true about DNA?
Answer:
B
Explanation:
Both of the original DNA strands act as templates during replication. This option is correct.
Which of the following is NOT a characteristic of organisms that make up the Domain Bacteria?
A. They lack membrane-bound organelles
B. They are multicellular
C. They lack a nucleus
D. They live in both aquatic and terrestrial habitats
Answer:
B
Explanation:
Bacteria is not multicellular it is unicellular
What effect did the Montreal Protocol have on Earth's ozone? (1 point)
It decreased ozone in the troposphere
It decreased ozone in the stratosphere.
It increased ozone in the stratosphere
It increased ozone in the troposphere
Answer:
increase ozone in the stratosphere
Answer:
It decreased ozone in the stratosphere.
explination:
The Montreal Protocol on Substances that Deplete the Ozone Layer is a global agreement to protect the Earth's ozone layer by phasing out the chemicals that deplete it. This phase-out plan includes both the production and consumption of ozone-depleting substances.
what type of fossil would provide the best information about how an organism behaved?
A. a true form fossil
B. a mold fossil
C. a cast fossil
D. a trace fossil
Pls hurry and answer
Answer:
Trace Fossil
Explanation:
Answer:
D
Explanation:
A mold or cast fossil is the shape of the animal's body that displaced dirt and sand. Meanwhile, a true form fossil would only show the animal's appearances. Trace fossils are fossils such as footprints that help identify an animal's behavior.
I just need 1 and 5 can you help me pleaseee
How many bronchi do we have?
Answer:
30,000
Explanation:
you welcom hope this helped you guys!
What grows in a fertilized cone?
Answer:
Fertilization Follows. During the spring of the female cone's second year, the male and female gametes are ready. The pollen grows a pollen tube, which enters a little hole in the ovule's skin near its basal end, called the micropyle. The tube enters the ovule, and the sperm goes down the tube and into the ovule.
Answer:
The familiar woody cone is the female cone, which produces seeds. The male cones, which produce pollen, are usually herbaceous and much less conspicuous even at full maturity. ... The female cone (megastrobilus, seed cone, or ovulate cone) contains ovules which, when fertilized by pollen, become seeds.
Explanation:
As blood begins to circulate, it leaves the _________ from the left ventricle and goes into the aorta.
A: lungs
B: veins
C: heart
D: brain
As blood begins to circulate, it leaves the heart from the left ventricle and goes into the aorta. The correct option is C.
What is circulatory system?Blood vessels in the circulatory system transport blood away from and towards the heart.
Arteries transport blood away from the heart, while veins transport blood back to the heart.
The cardiovascular system transports oxygen, essential minerals, and hormones to cells while also removing pollutants such as carbon dioxide.
Blood flows from the body into the right atrium, then into the right ventricle, and finally into the pulmonary arteries in the lungs.
After picking up oxygen, blood returns to the heart via the pulmonary veins into the left atrium, then to the left ventricle, and finally to the body's tissues via the aorta.
Thus, the correct option is C.
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What type of organism is a single cell, that is in warm water of a hot spring ?
a. plant
b. virus
c. animal
d. bacterium
How might a person be affected if all the microorganisms living in his or her intestines died?
Answer:
Your gut and intestines would not return nutrients to your body therefore it would be very hard to survive for a long time. Basically, you would end up dying sooner or later.
Explanation:
If microbes were not in your body able to kill bacteria and return nutrients then all of the bad bacteria would eventually take control of your whole body and you would end up dying.
Hope this helps.
If all of the microorganisms in the intestine died, proper nutrient absorption and digestion would not occur, resulting in a wide range of digestive issues and other organ damage.
What is the role of microbiota in the body?Microbes in the body, such as those in the intestine, play an important role in maintaining homeostasis by performing a variety of functions. The microbiota living in the intestine facilitate the digestion process and the reabsorption of nutrients to maintain homeostasis by performing a variety of functions. Some of them produce vitamins that the body requires.
These microbes help kill pathogens and maintain a healthy body because proper digestion occurs in their presence, which stimulates a healthy body, brain, cardiac health, and so on. Without them, all of the functions would collapse, and eventually the entire system would be affected.
Therefore, in the absence of these microbes in the intestine, digestion, absorption, etc. will be affected.
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Which cells are larger and ontain a nucleus?
o ovo
archaea
prokaryote
eukaryote
virus