In scientific classification, the number of major groups that organisms can be divided into is _____.
The classification system most scientists use included _____ kingdoms.
In scientific classification, orders are divided into _____.
Answer:
species
Linnaean
family
What protects the outer layer of all the cells
Researchers have been studying different types of grasses and have learned that certain species will benefit from being grazed by other organisms. What type of relationship would this behavior represent?
The behavior you described, where certain species of grass benefit from being grazed by other organisms, represents a mutualistic relationship. Mutualism is a type of symbiotic relationship in which both participating organisms derive benefits from their interaction.
In this case, the grasses benefit from being grazed because the act of grazing stimulates their growth and helps them maintain optimal health. Grazing removes the top portions of the grass, which promotes new shoots and stimulates lateral growth.
Additionally, grazing can prevent excessive shading and allow sunlight to reach lower parts of the grass, aiding in photosynthesis.
On the other hand, the organisms that graze on the grass, such as herbivores or grazers like cattle or certain insects, benefit from the food source provided by the grass. Grazing animals obtain nutrition from consuming the grass, which is a source of energy and nutrients.
Thus, the mutualistic relationship between the grasses and the organisms that graze on them is characterized by reciprocal benefits. The grasses benefit from the stimulation of growth and maintenance, while the grazers benefit from the food resource.
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true/false. for contraction of smooth muscle which of the following is true troponin is required tropomyosin is required k activates myosin light chain kinase
activates myosin light chain kinase is required for contraction of smooth muscle.
What is myosin light chain kinase?Myosin light chain kinase (MLCK) is an enzyme that plays a key role in smooth muscle contraction. It phosphorylates the regulatory light chain (RLC) of myosin, which enables the myosin heads to bind to actin filaments, leading to the sliding of actin and myosin filaments and the contraction of the smooth muscle cell.
MLCK activity is tightly regulated in smooth muscle cells, with multiple signaling pathways, such as G protein-coupled receptors, Rho kinase, and protein kinase C, known to modulate its activity.
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Which statement about folic acid is false ? Folic acid absorption is dependent on the enzyme folacin. Folic acid is stored in the liver. Folic acid is essential for RNA and DNA synthesis within erythrocytes. Folic acid is absorbed in the upper small intestine.
Answer:
Option A
Explanation:
Another name for folic acid is folacin and this is required for cells to produce a metabolite caled formate which is involved in the synthesis of nucleotides. The enzyme involved in its absorption/conversion is dihydrofolate synthetase and not folacin.
ASAP PLS!!! LOTS OF POINTS
Compare the two graphs.
1. What conclusion can you draw about the fur color of wolves that live in these two
very different habitats? Use evidence from the graphs to support your answer. 4
points
2. What advantage might the difference in fur color have? 2 points
Answer:
Based on the graph, we can draw the following conclusions:
The graph compares the fur color of wolves that live in a forested habitat (black bars) and those that live in a tundra habitat (gray bars). The forested habitat wolves have mainly gray and black fur, while the tundra habitat wolves have mainly white fur.
This suggests that wolves that live in different habitats have adapted to blend in with their surroundings to help them hunt or avoid predators. The wolves in the forested habitat are better camouflaged with darker fur, while those in the tundra habitat are better camouflaged with lighter fur.
The difference in fur color provides an advantage for wolves because it helps them survive in their respective environments. Wolves with better camouflage are less likely to be seen by their prey or predators, making it easier for them to hunt or avoid danger.
In summary, the graph shows that wolves that live in different habitats have adapted to their surroundings by changing their fur color, which provides them with an advantage for survival in their environments.
Explanation:
A penumbral shadow is cast when the light source is smaller than the object.
True
False
Answer:
true
Explanation:
Answer:
The answer is false
Explanation:
True or false: The lands and grooves of a barrels riffling improve the accuracy of a bullet?
True, the lands and grooves in a barrel's riffling increase a bullet's accuracy.
Why does rifling increase precision?The spiral grooves carved into a rifle barrel's internal surface are referred to as rifling. A spinning motion is aided by rifling when a bullet is fired. A spinning bullet is substantially more precise than a bullet that doesn't spin because it has a far more steady trajectory.
What are the quizlet lands and grooves intended to accomplish?Between the grooves are what's left of the original bore's surfaces; these are referred to as lands. A fired bullet is guided through the barrel by the grooves, which give the bullet a quick spin to ensure accuracy. Caliber is the term for the gun barrel's diameter as measured between two lands.
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What are 2 similarities chromosomes you get from parents
The two similarities between chromosomes that you get from your parents are Genetic Material and Number of Chromosomes.
What more should you know about genetic materials and number of chromosomes you get from parents?In terms of Number of chromosomes: Every Humans have 23 pairs of chromosomes, for a total of 46 chromosomes. Each parent contributes 23 chromosomes to their child, for a total of 46.
in tems of Genetic material: The chromosomes that you get from your parents contain the same genetic material. This is why you look like your parents and why you have inherited some of their traits.
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Renee has just completed her experiment for biology lab and cleaned up her lab area. The bell rings for her to go to her next class. What should Renee do before she leaves the laboratory?
Renee should follow proper laboratory safety guidelines and ensure that all the equipment in the biology lab are in the proper place before leaving for the next class when the bell rings.
Renee should first of all place the compound microscope gently in its proper place after removing the slide from the stage and adjusting the eye piece back to its original position. The microscope should always be carried from the arm side.
Renee should also wash the slides, coverslips, petri-dishes, pipettes, etc. before placing them back in their respective places in the laboratory. The burner should also be turned off properly. Finally, Renee should wash her hands properly before leaving the biology lab.
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An animal cell: the human body. Different but also alike. Your skin acts as the first line of defense against invaders. In this animal
cell, the
has a similar purpose.
A)
Golgi body
B
mitochondria
C
plasma membrane
D
endoplasmic reticulum
Answer:
Explanation:
C.
In this animal cell, the has a similar purpose as of skin is plasma membrane. The correct option is C.
What is plasma membrane?The membrane that basically divides the interior of the cell from the external environment is known as the plasma membrane, sometimes known as the cell membrane, and it is present in all cells.
The cell membrane isolates a cell's interior contents from its external environment, just like your skin's outer layer does for your body and its surroundings.
The cell membrane acts as a barrier to protect it and controls what can enter and leave the cell.
One of the body's first lines of defense against hazardous germs is the skin, which acts as a barrier. Skin tissue contains specialized immune cells that aid in the defense against invaders.
The skin, however, is home to a variety of communities of helpful bacteria known as the skin microbiota.
Thus, the correct option is C.
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Fonseca is taking a test. She has to write about adaptations of fish in the coral reef. What should she write?
A.
that some fish in the coral reef are blind due to the absence of sunlight
B.
that some fish in the coral reef survive on marine detritus
C.
that some fish in the coral reef are colorless to protect against prey
D.
that some fish in the coral reef have flat bodies to perform sharp turns
Answer:
that some fish in the coral reef have flat bodies to perform sharp turns
Which type of energy is formed during the process of photosynthesis? A Chemical B Radiant C Thermal D Kinetic
Answer:
I'm not sure but I think chemical.
Explanation:
Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
Name two nutrients that plants need.
Answer:
Sunlight and water.
Explanation:
The sun is the plant's most important nutrient. Plants convert sunlight into sugars in order to grow. Water is needed in two ways, it serves as both a solvent for mineral salts that are carried inside plant cells, and it is an essential component of photosynthesis. The questioner might have asked "name one" so they don't have enough information to answer with any greater certainty - but the answer remains the same regardless of how many nutrients they ask about.
Minerals are also required by plants in order to function properly including calcium, potassium, iron, magnesium just to name a few minerals which are found in healthy nutritious produce!
Answer:
sunlight and water
Explanation:
is the two nutrition that plant need
Read the statement.A population has a variety of genetic traits and produces more individuals than resources can support. Individuals within the population compete against each other for resources. Survivors reproduce and pass on beneficial genetic traits to their offspring.What evolutionary process does this describe?A. natural selectionB. gene flowC. genetic driftD. mutations
A. natural selection
-Natural selection is the differential survival and reproduction of individuals due to differences in phenotype.
what are the number of birds in the world.
Explanation:
The number is up to 200 to 400 billion individual birds.
what's the difference between the leaf cell and root cell in osmosis and physiological support
Answer: Cells in plant roots do not contain chloroplasts because they are not exposed to light. The chloroplasts contain green pigments called chlorophyll.
Explanation:
2.2.1 2.2.2 State TWO possible advantages of using bananas as a vaccine against diseases. Give TWO reasons why people might be against the use of genetically modified bananas.
Advantages of using bananas as a vaccine against diseases: Oral Delivery, Cost-Effective Production.
Reasons why people might be against the use of genetically modified bananas: Safety Concerns, Moral Considerations.
1. Oral Delivery: Bananas can be consumed orally, making them an ideal vehicle for delivering vaccines. This eliminates the need for injections, which can be uncomfortable and require medical professionals to administer.
2. Cost-Effective Production: Bananas are relatively inexpensive to produce and are widely available in many parts of the world.
This makes them a cost-effective option for vaccine production and distribution, particularly in resource-limited settings.
Reasons against the use of genetically modified bananas as vaccines:
1. Safety Concerns: Some individuals may have concerns about the safety of genetically modified organisms (GMOs), including genetically modified bananas.
There may be uncertainties about the long-term effects of consuming GMOs, and fears of potential risks to human health and the environment.
2. Ethical and Moral Considerations: Opposition to genetically modified bananas may stem from ethical and moral concerns regarding the alteration of natural organisms.
Some people may view genetic modification as interfering with nature or raising questions about the boundaries of manipulating living organisms.
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What’s the answer guys?
Answer:
haverensian canal so ( b )
__________ is derived from the motion of waves and tides.
A)
Storm surge
B)
Carbon sequestration
C)
Hydrokinetic energy
D)
Surface faulting
E)
Pyroclastic flow
Answer:
C
Explanation:
Hydrokinetic energy is what makes the waves and tides flow. Which could be powerful resulting in tides, and powerful waves.
Using the strand mRNA below along with either of the codon charts, place the amino acids in the correct order.
Strand mRNA & codón chart: photo 2&3
1?
2?
3?
4?
5?
6?
7?
8?
9?
10?
Codons are triplets of nucleotides found on mRNA which code for particular amino acids .
What are codons?Codons are triplets of nucleotides found on mRNA which code for particular amino acids.
In an mRNA, strands, the first three codons, AUG code for the amino acid methionine.
Similarly, the codons GCA codes for alanine, CCA codes for proline.
In conclusion, given an mRNA strand, the amino acids coded by the codons can be deduced.
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what is the domain containing all organisms with eukaryotic cells
Answer:
Domain Eukarya
Explanation:
There are only three domains; the Archaea, Eukarya, and Bacteria. Domain Eukarya came from the first prokaryotic cells billions of years ago.
Why can whales not breathe underwater?
Answer:
Whales are mammals and do not have gills, so they cannot take the dissolved oxygen that is in the water and turn in into a oxygen that they can breath.
Explanation:
Answer:
because they are mammals
Explanation:
the need to breath air into there lungs
Ribosomes, organelles that are most abundant in the cell, perform which
function?
a. transport materials throughout the cell
b. package and distribute materials
c. make proteins for all processes of life
d. clean the cell of dead and worn out parts
Answer:
C. make proteins for all processes of life
Explanation:
For example, the pancreas is responsible for creating several digestive enzymes and the cells that produce these enzymes contain many ribosomes.
How can wax worms impact the environment
Answer:
Waxworms are not an end-all solution to plastic waste, however. Wax larvae are pests for bees, naturally feeding off honeycomb and running the risk of reducing their populations – and those of plants and crops.
I need help with questions 3 4 and 5 sorry if the picture is a little blurry
Answer:
3 the most likely answer is b
because the other choices are unrelated to the question
4 the choices are not appropriate as I think
but contextual answer is most likely c but it has to be the absorbtion of sugar by pancreases
7 answer is obviously c
Which of the following best describes high G+C bacteria
a.) Gram-negative bacteria that include spirochetes, planctomycetes, and the CFB group
b.) A gram-positive group that includes Bacilli
c.) Gram-negative bacteria that include a large group composed of five classes of bacteria
d.) A gram-positive group that includes the Actinobacteria
Answer:
d.) A gram-positive group that includes the Actinobacteria
Explanation:
The best description of high G+C bacteria is option d) A gram-positive group that includes the Actinobacteria.
High G+C bacteria, also known as high guanine-cytosine bacteria, refer to a group of bacteria characterized by a high proportion of guanine (G) and cytosine (C) nucleotide bases in their DNA. This characteristic can be determined by analyzing the DNA composition of bacteria.
Option d) states that high G+C bacteria belong to a gram-positive group that includes the Actinobacteria. This is the most accurate description of high G+C bacteria. Actinobacteria are a phylum of gram-positive bacteria, known for their high G+C content. They are characterized by their filamentous growth and the formation of branching networks of hyphae, similar to fungi. Actinobacteria include a diverse range of organisms, such as the genus Streptomyces, which produce many antibiotics, and Mycobacterium, which includes the species responsible for tuberculosis and leprosy.
Options a), b), and c) are not accurate descriptions of high G+C bacteria. Option a) mentions gram-negative bacteria and includes spirochetes, planctomycetes, and the CFB (Cytophaga-Flavobacterium-Bacteroides) group, which are not specifically associated with high G+C content. Option b) refers to a gram-positive group that includes the Bacilli, which generally do not have a high G+C content. Option c) mentions gram-negative bacteria composed of five classes, but it does not specifically address high G+C content.
Therefore, option d) is the most accurate description of high G+C bacteria, as it correctly identifies them as a gram-positive group that includes the Actinobacteria.
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Find the similarities or interesting facts about system of modern phones and human brain.
The human brain and that of the computer(Modern Phones) are similar is so many ways, bellow are some highlighted facts between the human brain and the computer
They used electrical signals to send messagesBoth transmit information.Both have a memory that can growBoth can adapt and learn.Both have evolved over time. Both need energy. Both can be damaged. Both can change and be modifiedBoth brains and computers are studied by scientists.Learn more about the human brain and computer
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PLEASE HELP ME !!!
which graph best represents the percentage of lighted Side of the Moon that can be seen by an observer in the northern hemisphere when the moon is at the position shown
Answer:
4
Explanation:
The graph that represents the percentage of lighted side of the moon is ; ( 4 ) i.e. The fourth graph .
Given that the observer is stationed at the Northern Hemisphere, as the moon orbits around the sun following a parabolic path, the observer will observe a fully lighted moon ( i.e. 100% ) when the moon get to the center of its parabolic path because at this position the earth cannot cast a shadow on any part of the moon.
Hence we can conclude that the graph that represents the percentage of the lighted side of the moon is Graph 4
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the climax is the ___ stage of the community change
a) final
b) first
c) second
d) third
Climax is the final stage of community change. Option A is correct.
It is the stage at which the community reaches a state of equilibrium, with a balance of different species and a stable ecosystem. Primary succession is the process by which a community develops on a new or disturbed area. The first species to colonize the area are called pioneer species.
These species are able to survive in harsh conditions and help to prepare the area for the arrival of other species. Secondary succession is the process by which a community develops after a disturbance, such as a fire or a flood. The community will usually recover more quickly than in primary succession, as the soil and other resources will already be in place. The climax community is not static, but it can change over time due to factors such as climate change or human activity. Option A is correct.
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