Which statement best explains how the cell membrane helps a cell remove waste? A. Carbon dioxide molecules pass out of the cell through the layer of phospholipids
Describe the control group for an experiment that examines the effect of fire intensity on the biodiversity of tree communities.
Answer:
explanation below
Explanation:
The control group would be the biodiversity of the trees without the fire
The control group in the experiment would center on the biodiversity of the trees without the fire. Ideally, both the control group and the experimental groups are usually identical in every way except that the experimental group would receive the treatment that is believed to have an effect on the biodiversity of trees.
For an experiment seeking to study the effect of fire intensity on the biodiversity of tree communities, the control group will be an experimental unit consisting of a community of biodiversity of trees with no fire or treatment.
In a scientific experiment, they are usually two main groups of experimental units. They are:
The Experimental Group: This group of experimental units receive the treatment. In the case of the experiment cited above, the experimental group would be a community of biodiversity of trees that is set on fire.The Control Group: This experimental units do not receive treatment. They serve as the basis for comparison. In the scenario cited in the question, the control group would be a community of biodiversity of trees without the treatment, which is, no fire on the community.Therefore, for an experiment seeking to study the effect of fire intensity on the biodiversity of tree communities, the control group will be an experimental unit consisting of a community of biodiversity of trees with no fire or treatment.
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Once the DNA strand unwinds and is modified; it sent through the
nucleus for translation. What stage of translation would most likely
occur at letter A?
A) initiation
B) elongation
C) termination
D) RNA processing
Answer:
I think it is A.
Explanation:
can someone help me identify this? plss i need this for a grade
Which best describes the pericardium?
structures inside the heart that ensure that blood flows in one direction only
a sac around the heart that allows the heart muscle to receive oxygen
a sac around the heart that protects the heart and chest tissues
structures inside the heart that bring blood to the lungs for oxygenation
Answer:
c
Explanation:
The pericardium is a thin sac that surrounds your heart. It protects and lubricates your heart and keeps it in place within your chest
Pericardium is best described as a sac around the heart that protects the heart and chest tissues.
What is the Heart?This is the central organ of the circulatory system which is involved in pumping blood to other parts of the body.
The pericardium surrounds the heart and helps to protect it from external pressure and other factors.
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Describe the electron transport chain including its reactants and products
Answer:
The electron transport chain is a series of electron transporters embedded in the inner mitochondrial membrane that shuttles electrons from NADH and FADH2 to molecular oxygen. In the process, protons are pumped from the mitochondrial matrix to the intermembrane space, and oxygen is reduced to form water.
Explanation:
The electron transport chain is a series of four protein complexes that couple redox reactions, creating an electrochemical gradient that leads to the creation of ATP in a complete system named oxidative phosphorylation. It occurs in mitochondria in both cellular respiration and photosynthesis.8
If your going to a sandy beach on a sunny day, which would feel warmer- the sand or the water?
Answer:
the sand
Explanation:
Which section of the article BEST explains how
mole rats developed the strange metabolic
strategy?
A
"Super-Tolerant To Low Oxygen Conditions"
B
"Mice, Naked Mole Rats Differ In Tests"
С
"Blood Fructose Levels Start To Rise"
D
Metabolism Switch Gives Them Boost Of
Energy
Answer:
D
Explanation:
is D because is the only one who talk about more about metabolism. I hope it help you
Which human activity is correctly paired with the greenhouse gas that it increases?
rice cultivation and water vapor
landfilling and carbon dioxide
deforestation and methane
sewage treatment and nitrous oxide
Answer:
land filling and carbon dioxide
Explanation:
landfilling and carbon dioxide human activity is correctly paired with the greenhouse gas that it increases.
What is Landfilling?The emission of methane gas from landfills is the primary environmental issue. Methane gas is generated during the breakdown of organic material in landfills.
Methane is one of the most potent greenhouse gases and a major cause of climate change since it is 84 times more efficient than carbon dioxide at absorbing heat from the sun.
In addition to methane, landfills also release water vapour, carbon dioxide, and small amounts of oxygen, nitrogen, and other non-methane organic molecules. If not under control, these gases can also contribute to climate change and lead to pollution.
Therefore, landfilling and carbon dioxide human activity is correctly paired with the greenhouse gas that it increases.
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1
Place the following events in sequence:
A) Food enters your large intestines
B) Food enters your small intestines
C) Food enters your esophagus
D)Food enters your mouth
E) Food enters your stomach
Answer:
D; C; E; B; A
Explanation:
The mouth is the first part of the gut (gastrointestinal tract). When we eat, food passes down the gullet (oesophagus), into the stomach, and then into the small intestine. The small intestine has three sections - the duodenum, jejunum and ileum.
The period during smooth muscle contraction of sustained tension is referred to as the
Answer:
I could be wrong but I believe the answer is fused tetanus.
Explanation:
Searched it up, but it could be incorrect.
The molecule Phopholipase is most likely what?
- Sugar
- Enzyme
- Bacterium
- DNA
Answer:
Enzyme is the molecule Phopholiphase is mostly likely.
Which is not a function of the respiratory system? *
It warms air entering the body.
O It exchanges oxygen and carbon dioxide.
O It pumps blood to the organs.
O It creates sound through the voice box.
Answer:
it exchanges oxygen and carbon dioxide
Explanation:
You inhale oxygen and exhale carbon dioxide
Out of the given options 3 that is "it pumps blood to the organs" is not a function of the respiratory systems.
The respiratory system is a network of organs and tissues that assist you in breathing. This system assists your body in absorbing oxygen from the air so that your organs can function.
It also removes waste gases from your blood, such as carbon dioxide. Allergies, illnesses, and infections are common difficulties.
The respiratory system contributes to the warming and humidification of the air we breathe. The air is warmed as it goes through the nasal passages and pharynx, which helps to protect the lungs' sensitive tissues.
The respiratory system contributes to the production of sound. When air flows through the larynx (voice box), the vocal cords vibrate, producing sound.
Thus, the option 3 is not the function of the respiratory system.
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Which equation describes what happens in photosynthesis?
Answer:
Photosynthesis is a chemical reaction that takes place inside a plant, producing food for the plant to survive.
Carbon dioxide, water and light are all needed for photosynthesis to take place.
Photosynthesis happens in the leaves of a plant.
Explanation:
Creating a list of anxiety-triggering situations and training in relaxation are important aspects of
client-centered therapy.
dialectical behavior therapy.
systematic desensitization.
aversive conditioning.
Explanation:
it is systematic desensitization.
Creating a list of anxiety-triggering situations and training in relaxation are important aspects of SYSTEMATIC DESENSITIZATION.
Systematic desensitization is a type of therapy based on the combination of relaxation methods with gradual exposure to the fear (phobia).The objective of the exposure to the fear is that the patient feels progressively less anxious about his/her phobia.In consequence, systematic desensitization increases the feeling of self-control and gradually reduces fear.In conclusion, creating a list of anxiety-triggering situations and training in relaxation are important aspects of SYSTEMATIC DESENSITIZATION.
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Which choice has eukaryotic animal cells?
oak
liver
Lactobacillus
virus
Answer: He's correct, liver.
Explanation:
1. Fill the big bowl with water almost to its rim.
What is true about Carbon facts
Answer:
Carbon usually has a valence of +4,
Explanation:
if one species in a community dies out or moves, the community will
Answer:
The community will slowly decline, or be just fine, or be better off.
Explanation:
Wolves being killed in Yellowstone showed that Yellowstone suffered, because there was nothing to kill the elk, so their population exploded and they ate everything.
If certain rats were gone in certain areas, then the community/environment would be fine, because rats eat birds and other small animals (they eat too many of them).
And if stray cats were gone then certain forests would be better off and see an increase in birds population, stray cats eat birds.
W Within a forest ecosystem, there is a large amount of diversity among members of a warbler species. Of the following stages of meiosis illustrated for a typical cell, which contributes most to diversity among the warblers? Pay special attention to the chromatids.
Answer:
Explanation:
How a Forest Ecosystem Matures . Forest ecosystems tend to always be moving toward maturity or into what foresters call a climax forest. This maturing, also called forest succession, of the ecosystem increases diversity up to the point of old age where the system slowly collapses. One forestry example of this is the growth of trees and the entire system moving toward an old growth forest.
A Large amount of warbler species, crossing over between homologous chromosomes, is closely involved in genetic variation. The stage that most contributes to diversity is stage C, where you can see chromosomes after crossing-over.
There are different mechanisms involved in producing genetic variation among descendants, are-
Crossing-over between homologous chromosomes (prophase 1), The Random lining of homologous chromosomes (metaphase 1), Random fertilization
The Crossing-over events occur between two homologous chromosomes within the equatorial plane and make the daughter cells genetically different from the first one.
The Chiasma is the position where two homologous chromatids interchange genetic information, giving an area for brand spanking new genetic material or information to be provided to descendants.
After crossover, homologous chromosomes get separated again. In the attached image there are four different stages of meiosis.
Stage C is the one that contributes foremost to diversity. We can see that crossover has already occurred between homologous chromosomes and that they have already interchanged segments.
In the image, you will see the difference between chromosomes that have gone through the crossing over mechanism, and chromosomes that have not. The difference in color represents segments interchange and variation.
Therefore, that answer shows the contribution to diversity among the warblers.
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4. Compare and contrast the rate of sea floor spreading along the Mid-Atlantic Ridge and East
Pacific Rise.
Answer:
The Mid-Atlantic Ridge runs down the center of the Atlantic Ocean. ... The rift valley is 1 to 3 km deep, about the depth and width of the Grand Canyon. In contrast, the East Pacific Rise spreads fast at rates of 6 to 16 cm per year (more than 20 cm per year in the past).
How is the blackjack seed suited to its method of dispersal?
Answer:
Seeds are widely dispersed through the fruits hook-like bristles that embed themselves in clothing and the fur of mammals and feathers of birds. They are also spread by wind, water and soil.
Explanation:
Where are coral reefs most threatened by pollution, and what effects has pollution had so far?
Answer:
In the great barrier reef
Explanation:
It has effected plants and sea creature populations because of their homes being destroyed
Coral reefs are most threatened by pollution, as they are becoming extinct due to air pollution, water pollution, etc., and then human interference again lets them go extinct, and these reefs that are present in the site of the population are lost mostly.
What is the significance of the coral reefs' extinctions?Coral reefs are negatively affected by pollution and human activities, which include coral bleaching; and again, climate change that is caused by human activities such as the burning of fossil fuels, etc. induces the coral bleaching. Different chemicals that mix with water destroy the corals and the algae present in them.
Hence, coral reefs are most threatened by pollution, as they are becoming extinct due to air pollution, water pollution, etc., and then human interference again lets them go extinct, and these reefs that are present in the site of the population are lost mostly.
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10. As one of the evidences of evolution supported by Darwin, structures that have different mature forms but arise from the same embryonic tissues are called
F. Upper limb structures
G. Vestigial structures
H. Analogous structures
J. Homologous structures
Answer:
J
Explanation:
how do you find this day?what are the positive things that happened?what are those things that made your irritated or upset?
Answer:
Explanation:
very great at the morning but now i am bored..
no positive things happened till now
the internet is disturbing ang irritating me i can't completing my work.
What is the term for "anything that takes up space and has mass"?
A.
Water
B.
Atom
C.
Electron
D.
Matter
Which statement reveals a property that can be used to identify a mineral?
A mineral is found in Africa.
O A mineral is made in a laboratory
O Amineral is used to make medicine,
A mineral has hexagonal-shaped crystals.
I think it’s the last one but can someone confirm it
The statement reveals a property that can be used to identify a mineral is A mineral has hexagonal-shaped crystals.
Which is not a property that can be used to identify a mineral ?Colour is not a effects that can be used to determine a mineral. Natural occur in, solid, inorganic, and crystalline form, and the exact chemical arrangement , have five properties of a mineral.
Thus, option "D" is correct, having hexagonal-shaped.
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which of the following rock type(s) may be weathered to become sediment and form a sedimentary rock?
A) Igneous rock
B) Sedimentary rock
C) Metamorphic rock
Igneous, Sedimentary and Metamorphic rocks
Answer: B i believe
Explanation:
Pollen makes a tube to the ovary through the what of a flower
Answer:
After pollen grains land on the stigma, a pollen tube grows from the pollen grain, through the style, and into the ovary. Sperm cells inside the pollen grain travel down the pollen tube and into the ovary which contains the ovules.
Answer:
Explanation:
give the other person brainliest
Which statement is true for all prokaryotic and eukaryotic organisms?
Both types of organisms have DNA contained within a nucleus as genetic material.
Both types of organisms transform energy from sunlight into chemical energy.
Both types of organisms assemble proteins through transcription and translation.
Both types of organisms are made of cells, tissue, and organs that work together.
Answer:
Both types of organisms have DNA contained within a nucleus as genetic material
Answer:
tt
Explanation: