What organelles are found in both prokaryotic and eukaryotic cells.
Answers
Answer:
Both eukaryotic and prokaryotic cells contain ribosomes, which are non-membrane-bound organelles.
Explanation:
Related Questions
Plz hurry if u can. What is the momentum of a 100-kg football
player running north at a speed of 4 m/s?
Answers
Which of the following correctly compares the desert and the swamp environments correctly?
A desert is hotter than a swamp because it receives more sunshine.
A desert is wetter than a swamp because of its proximity to water bodies.
A swamp is hotter than a desert because it is closer to the equator.
A swamp is less humid than a desert because of its higher elevation.
Please help :D
Answers
Answer:
A desert is hotter than a swamp because it receives more sunshine.
Explanation:
hope this helps
pls mark as brainliest
Answer:
A desert is hotter than a swamp because it receives more sunshine.
Explanation:
20. Does facilitated diffusion require energy for the cell?
Answers
Answer: no
Explanation: The solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. This process is called passive transport or facilitated diffusion, and does not require energy.
Which technology would be useful for studying moon phases
Answers
Answer:
The augmented reality (AR) technology
(A lunar-phase observation system)
Explanation:
Carolyn and ken are learning about the geosphere, atmosphere, biosphere, and hydrosphere. they put sand in a small swimming pool. they dug a hole in the middle and filled the hole with water. they turned a fan on and watched how the water and sand changed.
Answers
Answer: Hope this helps!
Explanation:
Different species of shark have different
types of teeth that can provide clues about what type of food a species of shark commonly eats. What does a shark's teeth describe about the species of shark in terms of the ecosystem it lives in?
a habitat
b niche
c abiotic factor
a competitive exclusion principle
Answers
Answer:
The correct answer is b) niche.
Explanation:
A shark's teeth can provide clues about the type of food a species of shark commonly eats, which can describe its niche in the ecosystem it lives in. The niche of an organism refers to the role it plays in its environment, including its relationship with other organisms and its interactions with the physical environment. A shark's teeth can provide information about the types of prey it is adapted to hunt, which can be used to understand its role in the ecosystem it lives in. Therefore, the correct answer is b) niche.
List the sequence of events that occur as the avocado seed germinates.
Answers
Answer: The sequence of events of avocado seed germination includes:
Water absorption --> enzyme activation --> radicle emerges --> lengthening of the hypocotyl --> growth of epicotyl and plumule development --> shrinking of the cotyledons.
Explanation:
Germination is defined as all the changes that occurs when a seed embryo resumes it's growth and development to become an independent seedling. Seeds usually germinate in two ways:
--> EPIGEAL germination: in this type of germination, the hypocotyl grows rapidly and elongates, carrying the cotyledon above the soil.The AVOCADO seed is a typical example of a dicotyledonous plant.
The sequence of events of avocado seed germination starts by imbibition which is the rapid in take or absorption of water by the seed through osmosis. Hydration of the embryo activates the enzymes in it which converts insoluble stored food materials into soluble forms. The testa splits and the radicle emerges first. It grows downwards as the primary root from which root hairs and branch roots arise( to form a tap root system). Next, the hypocotyl lengthens, pushes its way up through the soil carrying with it the cotyledons and the plumule. The cotyledons turn green on exposure to sunlight and start to photosynthesize. The epicotyl then grows and the plumule develops into a green shoot. By the time the first foliage leaves grow and begin to photosynthesize, the cotyledons shrink and drop off.
A substance that provides nourshiment and growth or metabolism
O chromosome
O enzyme
O pathogen
о O
nutrient
Answers
The whole process of dark adaptation takes about _____ minutes for cones.
a.
8
b.
15
c.
30
d.
60
Answers
Answer:
I think it is C. 30
Explanation:
In one kind of butterfly, brown color is caused by a dominant allele, B, and white color is caused by a recessive allele, b. The table shows the observed numbers of phenotypes in a population of 100 butterflies. Phenotype Number of individuals Brown 84 White 16 What is the frequency of the heterozygous genotype in this population of butterflies? 0. 24 0. 36 0. 48 0. 60.
Answers
The frequency of the heterozygous genotype in this population of butterflies is 0.48.
To determine the frequency of the heterozygous genotype, we need to calculate the frequency of the recessive allele, b, first.
Since the white color is caused by the recessive allele, the frequency of the white phenotype represents the frequency of the homozygous recessive genotype, bb.
In this case, there are 16 white butterflies in a population of 100, so the frequency of the recessive allele can be calculated as 16/100 = 0.16.
Next, we can calculate the frequency of the dominant allele, B, by subtracting the frequency of the recessive allele from 1. Therefore, the frequency of the dominant
allele is 1 - 0.16 = 0.84.
Since the heterozygous genotype (Bb) carries both the dominant and recessive alleles, its frequency can be calculated by multiplying the frequencies of the two alleles.
Therefore, the frequency of the heterozygous genotype is
0.84 x 0.16 = 0.48 or 48%.
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i dont know what subject it is because im in 8th grade honors science
what is the relationship between inertia and motion
Answers
tissue that has multiple layers in which some cells don't touch the basement membrane
Answers
Tissue that has multiple layers in which some cells don't touch the basement membrane is stratified epithelium tissues.
A stratified epithelium is made up of more than one layer of cells. Pseudostratified: A pseudostratified epithelium is made up of closely packed cells that appear to be arranged in layers because they're different sizes, but there's actually just one layer of cells.
The stratified epithelium is found in the skin wherein the apical layer becomes heavily keratinized before dying, and is also continuously shed as squames. Stratified epithelia usually have a mechanical or protective role. The stratified epithelium may be categorized based on the type of cells that makes it up.
This type of epithelium usually has protective functions, including protection against microorganisms from invading underlying tissue and/or protection against water loss. The outer layer of your skin (the epidermis) is made of stratified squamous epithelial cells.
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Which amino acid is best represented by "CCA"? *
Answers
Answer:
Proline
Codon-Amino Acid Abbreviations
Explanation:
The Earth’s story is very old and much of it occurred before people were here to observe. That is why being a geologist is like being a detective. The Earth is full of clues that geologists have to put together to discover Earth’s story. Their job is to put events in their proper order. Let’s see your detective skills!
Carefully examine the picture of a dried mud puddle.
Write a brief story that explains the mud puddle and the order of the events that occurred.
Include the following events:
hail fell during the thunderstorm,
the sun-dried the mud puddle causing cracks to form,
a thunderstorm began, and
a deer walked through the mud puddle.
Worth 42pts and brainly!! pls help!
Explain why you think the events happened in this order. Write the story in proper paragraph form with correct capitalization and punctuation.
Answers
The correct order is: a thunderstorm began, hail fell during the thunderstorm, a deer walked through the mud puddle, and the sun-dried mud puddle, causing cracks to form.
How did the Earth come to be what it is today?At the early stage, the earth was too hot to keep any living animal alive. Following a series of environmental changes, simple cellular organisms such as bacteria began to emerge. Then the presence of photosynthetic bacteria synthesised oxygen, which made the environment more favourable for large animals and plants.
Natural disasters such as thunderstorms and earthquakes were common in the early period, killing many plants and animals. Geologists and palentologists now a days are getting those samples and can estimate the early earth climate.
Hence, the correct order is: a thunderstorm began, hail fell during the thunderstorm, a deer walked through the mud puddle, and the sun-dried mud puddle, causing cracks to form.
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is mitochondria a plant cell animal cell or both
Answers
Answer:
both, because mitochondria is responsible for making ATP, and both plants and animals need ATP to survive.
Which of the following is true about bacteria?
A) They have an open digestive system
B) They belong to the domain Eukarya
C) They lack a nucleus and other organelles
D) They are not living things
Answers
i would say the answer is
A) They have an open digestive system
Which of the following is the best example of natural selection?
(1) A cheetah living in a zoo lives 10 years longer than average.
(2) The shell of a crab becomes harder over time as a result of being hunted by a predator.
(3) A person's muscles become firmer from riding a bike for exercise.
(4) A population of a rabbit's decreases in number as some move to another area.
Answers
Answer:
A cheetah living in a zoo lives 10 years longer than average.
Explanation:
because Cheetahs living in captivity generally live a great deal longer than those in the wild, the life span of wild cheetahs is about 8 to 10 years, as opposed to 12 to 17 years for those in captivity according to the National Zoological Park, a sure fire sign of a healthy life.
The best example of natural selection is that the shell of a crab becomes harder over time as a result of being hunted by a predator, which is mentioned in Option 2, as the other options are not absolutely correct for it.
What is natural selection?Natural selection is the process where certain traits that are advantageous to an organism's survival and reproduction become more common in a population over time. In option (2), the harder shell of a crab is an adaptation that helps the crab avoid being preyed upon by its predator. As a result, the crabs with harder shells are more likely to survive and reproduce, passing on their advantageous trait to their offspring. Over time, the population of crabs will have a higher proportion of individuals with harder shells, leading to the evolution of this trait in the population.
Hence, the best example of natural selection is that the shell of a crab becomes harder over time as a result of being hunted by a predator, as mentioned in Option 2.
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14. Translation is when...
a.
DNA is read to make RNA
b.
RNA is read to make a protein
RNA is read to make DNA
d. DNA is read to make DNA
C.
Answers
Answer:
B
Explanation:
RNA is ready to make a protein
explain how aquaporins that are inserted into one area of the plasma membrane are distributed to other parts of the plasma membrane
Answers
Aquaporins (AQP) are integral membrane proteins that serve as channels in the transfer of water, and in some cases, small solutes across the membrane. They are conserved in bacteria, plants, and animals. Structural analyses of the molecules have revealed the presence of a pore in the center of each aquaporin molecule.
What are the five main functions of bone?
Answers
Answer: The five main functions of bone is that it gives the body its shape, allows movement, makes blood cells, and provides protection for organs and stores minerals.
Explanation:
2. protection: bony cavities around organs, protects heart and lungs, the canal cavity protects the brain
3. movement: bones form joints which provide levers for movement
4: hematopoiesis: (blood cell production) red marrow produces both RBCs and WBCs
5. mineral storage and homeostasis the skeleton forms a reservoir for minerals, especially calcium, for maintenance of homeostasis (Ca+ are essential for nerve impulse conduction)
identify the wave representing depolarization of all cells within the atria except the sa node.
Answers
The wave representing the depolarization of all cells within the atria except the SA node is A.
Depolаrizаtion is when а chаnge occurs inside а cell thаt cаuses the distribution of electric chаrges to аlter, leаving the cell with а less negаtive chаrge thаn the outside. Numerous cell functions, cell-cell communicаtion, аnd the generаl physiology of аn orgаnism аll depend on depolаrizаtion.
What causes depolarization?It is when the voltаge-gаted sodium chаnnels open. This cаuses the positively chаrged sodium ions to flood into а neuron. This cаuses depolаrizаtion. During depolаrizаtion, the cell’s normаlly negаtive internаl chаrge momentаrily chаnges to а positive one (less negаtive). Severаl аctivities, including аction potentiаl, result in this membrаne potentiаl trаnsition from а negаtive to а more positive stаte.
Your question is incomplete, but most probably your question can be seen in the Attachment.
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The body consumes carbohydrates to produce energy that is used for cellular processes. Into what molecule is this energy converted for use in the cell?
A- AMP
B- ATP
C- DNA
D- RNA
Ok i have no idea and am kind of doing nine weeks test but i need some help (;
Answers
Answer:
dna
Explanation:
I believe its ATP. Hope you do well on your test.
Vasculogenesis is an _____________ process that makes new blood vessels, and ________ trims and remodels the vasculature
Answers
Vasculogenesis is an embryonic process that makes new blood vessels, and angiogenesis trims and remodels the vasculature.
Vasculogenesis refers to the formation of new blood vessels during embryonic development. It involves the differentiation and assembly of endothelial progenitor cells to create a primary vascular network. This process occurs primarily during early stages of embryogenesis.
On the other hand, angiogenesis is the process of sprouting new blood vessels from pre-existing ones. It occurs during both embryonic development and in adulthood to support tissue growth, wound healing, and the formation of collateral circulation. Angiogenesis involves the activation of endothelial cells, degradation of the extracellular matrix, migration of endothelial cells towards a gradient of angiogenic factors, and the formation of new capillary structures.
While vasculogenesis establishes the initial framework of blood vessels, angiogenesis plays a crucial role in trimming, remodeling, and expanding the vasculature to meet the changing demands of growing tissues. It helps to ensure an adequate blood supply by supplying oxygen, nutrients, and removing waste products.
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which one is correct?
Answers
Answer:
The genetic code has similarities among organisms.
Explanation:
the first statement doesn't even make sense, the third one would imply that one organism will only look one way (for example, all humans have straight hair), and the 4th statement was true then the proteins we make would be miscellaneous.
Hope this helps and have a great day!.
(I wrote this is the middle of a timed test, so If I am wrong I apologize. If the answer should be incorrect though, please let me know.)
• How is the genetic code of someone with type one diabetes different from a healthy
person?
• Is type one diabetes in one chromosome? If so, which one? What is wrong with it?
• Is this a gene mutation (insertion, deletion, substitution) or a chromosome
mutation (duplication, deletion, inversion, translocation)?
• Can this mutation be passed onto offspring? Can it be inherited from parents?
• Is it sex linked? (On the 23rd pair of chromosomes)
Answers
Answer:
Type 1 diabetes is an autoimmune disorder in which the body's immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. The exact cause of type 1 diabetes is not fully understood, but it is thought to be a combination of genetic and environmental factors.
Regarding the genetic code, there is no specific single gene that is responsible for type 1 diabetes, but several genetic variations are associated with increased susceptibility to the disease. For example, studies have identified specific variations in genes that are involved in the immune system and in beta cell function, such as the HLA region on chromosome 6, which encodes for the human leukocyte antigen, a protein that plays a critical role in the immune system.
Type 1 diabetes is not located on one specific chromosome. It is a multigenic disorder, which means that it is caused by a combination of genetic variations that affect multiple genes on different chromosomes.
It is not a specific gene mutation (insertion, deletion, substitution) but it is more likely a complex combination of genetic variations that affect multiple genes on different chromosomes.
It can be passed on to offspring and it can be inherited from parents. However, it is not a simple Mendelian inheritance. It is a multifactorial disorder, which means that it is caused by a combination of genetic and environmental factors.
Type 1 diabetes is not sex-linked (on the 23rd pair of chromosomes). It affects both males and females equally.
Do you think the average seasonal temperatures have changed during the past few years? How do you think recent temperatures compare with temperatures from thousands or millions of years ago? How might a climate change affect Earth’s environment?
Answers
Weather records indicate that average seasonal temperatures have changed during the past few years, which may be cyclic or induced by human activities. This process affects the environment because there are species and populations adapted to specific temperature ranges.
What is climate change?The expression climate change mainly refers to the temperature increase over the last decades, which may be due to human activities such as burning fossil fuels.
Therefore, with this data, we can see that climate change may be associated with human activities and it indicates the increase in the temperature over the world.
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if a blood test indicated that a person had a high level of igm antibodies in the blood, it could be concluded that:
Answers
If a blood test indicated that a person had a high level of IgM antibodies in the blood, it could be concluded that the person has recently been exposed to an infection or antigen.
IgM antibodies are the first class of antibodies to be produced in response to an infection or exposure to an antigen. They are typically generated during the initial stages of an immune response and are responsible for the primary immune defense against pathogens. IgM antibodies are large and pentameric in structure, allowing them to efficiently bind to and neutralize pathogens.The presence of high levels of IgM antibodies in the blood suggests an active immune response, indicating a recent or ongoing infection.It indicates that the person's immune system has recognized the presence of an antigen, such as a viral or bacterial infection, and has mounted an immune response by producing IgM antibodies to target and eliminate the infectious agent.
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What are the three types of behavioral measures used in research?
Answers
The three types of behavioral measures used in research are:
Behavioral traceBehavioral observation Behavioral choiceBehavioral sciences study the cognitive processes that occur within creatures as well as the behavioural interactions that occur between species in the natural environment. Naturalistic observation, regulated scientific testing, and mathematical modelling are used to conduct a systematic examination and investigation of animal behavior. It uses rigorous definitions and observation to get genuine, objective findings. Psychology, psychobiology, anthropology, economics, or cognitive science are examples of behavioral sciences. Behavioral science has principally demonstrated how human conduct frequently strives to generalize about human behavior as it pertains to society and its influence on society in general.
Behavioral Science was first researched extensively with in early 1900s. John B Watson was a expert pioneer in the field. In 1908, he started teaching psychology at Johns Hopkins University. He was president of the American Psychological Association in 1915. Some of his methodologies for researching behavioral science have been called into question.
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In 1980, scientists suggested that the great mass extinction of 65 million years ago (which ended the reign of dinosaurs) may have been caused by a large impact from space. What discovery gives a big boost to this idea
Answers
Answer: the discovery of a buried crater (about 200 km across) near Chicxulub, Mexico
The discovery of a buried crater (about 200 km across) near Chicxulub, Mexico.
What is extinction?
Extinction is defined as the disappearance of an organism or a group of organisms as a result of environmental factors or changes in the members' evolutionary processes.
It can also be defined as an evolutionary process that causes a species or population to go extinct.
When there are no longer any living members of a certain animal or plant species anywhere in the globe, the species has become extinct.
Generally speaking, species disappear for the following reasons:
Genetic and demographic phenomena.Habitat destruction in the wild.Species introduction that are invasive.Global warmingHunting and illicit trade.Thus the discovery of a buried crater (about 200 km across) near Chicxulub, Mexico.
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3 ways in which a country address or improve the problem of illegal immigration
Answers
Answer: Illegal immigration can be defined as the migration of the people into another country by violating the immigration laws of the country being visited.
Explanation:
The three ways in which the country can address or improve the problem of illegal immigration are as follows:
1. The country can impose strict immigration laws on people who are native of other countries.
2. The country can prohibit schooling and education of children belonging to unauthorized citizenship.
3. The country can also prohibit the food availability and driving licences of the people belonging to the other country with unauthorized citizenship.
Answer:
No Idea
Explanation: I don't have an answer but I just want to say, Thanks Surnia. :) This really helped me. I was about to give up.