Answer:
Prokaryotic -Do not have a nucleusHave DNA arranged in a circular chromosomeDo not have membrane bound organellesSmaller in sizeOlderEukaryotic-Have a nucleus, vacuoles, mitochondria Have DNA arranged in a linear chromosomeHave membrane bound organellesLarger in sizeBoth- Contain: cell membrane, cytoplasm, ribosomes, DNAFunction is to make proteinshave certain parts that help them accomplish their function
1. Why is transport of materials necessary in a plant or an animal? Explain.
2. What makes the blood look red?
3. Why is it necessary to excrete wasto products?
4. Describe the function of the heart,
5. Does transpiration serve any useful function in plants? Explain.
6. What are stomata? Give two junctions of stomata.
Answer:
1 so that all parts of the plants and animals Get Enough nutrients and oxygen
2 the pigment called haemoglobin makes it red
3 waste products such as urea will cause great harm to the body is not excreted
4 the heart pumps blood the blood contains nutrients and oxygen facial transported to other organs so that the cells can operate
5 transpiration is the loss of water by plants. it helps with cooling down the plant after photosynthesis. Just the Way We sweat
6the stomata opens and closes to allow water to pass through it therefore transpiration occurs
TRUE OR FALSE. Answer them all please, don’t answer if you don’t know or i’ll report you for wasting points
1)true
2)true
3)true
4)true
5)false
6)true
7)false
8)true
9)true
10)false
11)true
12)true
13)true
14)false
15)false
how is glucose made in photosynthesis used by plants and animals??
best answer gets brainliest
Answer:
Glucose provides plants with needed food through a process called photosynthesis. This process helps plants convert the energy they take in from sunlight into sugar to help nourish the plant. ... Plants use these to form glucose and oxygen.
Answer:
Glucose is initially formed through the act of photosynthesis, which is how plants use water and carbon dioxide to produce energy. From this combination of carbon dioxide and water,a carbohydrate is formed which is initially used in the leaf structure for a variety of purposes.
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How did the peppered moth's environment change, and what caused this change?
Answer:
Due to the industrial revolution, smoke caused the environment of the peppered moths to change to a darker/black color. This resulted in a higher prevalence of black peppered moths over white peppered moths.
Explanation:
The dark environment made it so black peppered moths had the favorable trait while the white moths, who previously had the advantageous trait due to old environments being light in color, now had a deletirous trait. Predators could now more easily see the light colored moths, so they were more likely to be killed than the dark colored moths, so more dark colored moths were able to reproduce. This lead to a larger prevalence of dark peppered moths.
During the Industrial Revolution, pollution darkened tree trunks in England. This favored dark moths, causing a decline in lighter ones.
What are peppered moths?The peppered moth's environment changed due to the Industrial Revolution in England during the 19th century. Prior to the Industrial Revolution, the trees in England were predominantly light-colored, and the majority of peppered moths were also light-colored, or "typica." However, as a result of industrial pollution, the bark of the trees darkened, becoming covered in soot and ash.
This created a selective advantage for the dark-colored peppered moths, or "melanics," who were better camouflaged against the darkened trees. The change in the moth's environment was caused by the burning of coal in factories, which released soot and other pollutants into the air, leading to widespread pollution and industrialization. This phenomenon is often cited as an example of natural selection in action, as the moths adapted to their changing environment through the evolution of their coloration.
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most cells underego apoptosis if their dna is damaged. How can this be beneficial to an organism? someone pls help
Answer:
It prevents the cell from passing on those defects to other cells through DNA replication in cell division. By self destructing before it gets the chance to divide, whatever problem the cell had ends right there and doesn't propagate in the organism.
What is the difference between a dominant trait and a recessive trait?
Dominant traits will be expressed even if there is one of them while for recessive both of the parents have to have a recessive trait
Answer:
Dominant traits will always be expressed if any amount is there. Recessive traits will only be expressed if two are there.
Answer:
If a trait is dominant, then you will only have to have at least one parent with a dominant trait for the offspring to inherit the trait.
If a trait is recessive, then you will only need one parent with a recessive trait for the offspring to be able to inherit the trait.
Explanation:
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The Richter scale ranges from 1 to 10 in increments of tenths and measures the amount of energy released by an earthquake, not the amount of damage or the effect on people. How many earthquakes of magnitude 4.0 does it take to release the same amount of energy released by one earthquake of magnitude 8.0? (Show your work)
Name this structure
A:double helix
B:nucleotide
C:twisted ladder
D:hydrogen bond
Answer:
B.
Explanation:
Contains a phosphate group (yellow), nitrogenous base (green), and pentose sugar (blue).
Choose the word that best completes each sentence.
Plants are ________. They make their own food.
Animals are ________.
They consume other organisms for food. (20 Points)
Answer:
Plants are autotrops
Animals are Heterotrops
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where does the pollen go
Answer:
To be pollinated, pollen must be moved from a stamen to the stigma. When pollen from a plant's stamen is transferred to that same plant's stigma, it is called self-pollination. When pollen from a plant's stamen is transferred to a different plant's stigma, it is called cross-pollination.
Explanation:
To be pollinated, pollen must be moved from a stamen to the stigma. When pollen from a plant's stamen is transferred to that same plant's stigma, it is called self-pollination. When pollen from a plant's stamen is transferred to a different plant's stigma, it is called cross-pollination.
PLEASE PLEASE HELP
i don't get this and it's confusing
Yeah that looks hard good luck
Replication in Living Cells
Prokaryotes
Eukaryotes
Both
1. New chromosomes remain attached to
cell membrane
2. Proteins check for errors
3. Starts at one place
4. Proceeds in two directions
5. Copies of DNA condense into
chromosomes that separate
6. Starts at many places
Answer:
1. New chromosomes remain attached to cell membrane - Both
2. Proteins check for errors - Both
3. Starts at one place - Prokaryotes
4. Proceeds in two directions - Both
5. Copies of DNA condense into chromosomes that separate - Both
6. Starts at many places - Eukaryotes
Explanation:
The difference between prokaryotic and eukaryotic DNA replications is associated with the origins of replication, that is, the locations where replication starts. While in eukaryotic DNA, the origin of replication occurs in several places along the strands of DNA, replication in prokaryotic DNA has a unique origin of replication.
Replication of a cell refers to the formation of the two alike copies of DNA it is crucial for biological legacy, cell growth and division.
The process of replication in prokaryotes and eukaryotes somewhat contrasts from each other.
1. New chromosomes remain attached to cell membrane - Both in prokaryotes and eukaryotes.
In prokaryotes, the single circular chromosome remains attached to the cell also in eukaryotes chromosomes remain attached to the nuclear envelope.
2. Proteins check for errors - Both in prokaryotes and eukaryotes.
Although the process of formation of proteins is different proofreading occurs in both types of organisms.
3. Starts at one place - Prokaryotes.
Replication in prokaryotes originates from only one place while eukaryotic replication can occur from multiple positions.
4. Proceeds in two directions- Prokaryotes.
Replication in prokaryotes is bidirectional and advances in two directions.
5. Copies of DNA condense into chromosomes that separate - Both in prokaryotes and eukaryotes.
DNA condenses in the nucleoid which later gets separated.
6. Starts at many places - Eukaryotes.
In eukaryotic replication, the DNA strand has multiple sites of origin and the replication can occur at multiple positions.
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Which of the following statements best explains why evolution by natural selection is considered a theory and not a hypothesis?
Natural selection provides the outline of an explanatory theory." Biologists consider it to be a scientific fact that evolution has occurred in that modern organisms differ from past forms, and evolution is still occurring with discernible differences between organisms and their descendants.
Elements such as carbon can move through the
environment and organisms in a cycle because
living and nonliving things interact in _______.
A. cells
B. species
C. organisms
D. ecosystems
Elements such as carbon can move through the environment and organisms in a cycle because living and nonliving things interact in ecosystem. The correct option is D.
What is an ecosystem?An ecosystem is made up of all the organisms and the physical environment in which they live.
These biotic and abiotic elements are linked by nutrient cycles and energy flows. Photosynthesis introduces energy into the system, which is then incorporated into plant tissue.
Healthy ecosystems clean even our own water, purify our air, keep our soil in good condition, regulate the climate, recycle nutrients, and provide us with food.
They supply raw materials and resources for pharmaceuticals and other uses. They are the foundation of all civilization and the lifeblood of our economies.
Because living and nonliving things interact in an ecosystem, elements such as carbon can move through the environment and organisms in a cycle.
Thus, the correct option is D.
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Mom
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EEbb
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Eebb
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EBeb
Ebeb
Beeb
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Answer:
.
Explanation:
what is this?? umm-
whats the Location and the Structure for prestsynaptic membrane
Answer:
The presynaptic membrane is formed by the part of the presynaptic axon terminal forming the synapse and that of the postsynaptic neuron is called the postsynaptic membrane. The space between the presynaptic and postsynaptic membrane is called the synaptic cleft. These three structures together form the synapse.
Explanation:
How can you the sex of the individual from the karyotype?
Answer:
There are 22 numbered pairs of chromosomes called autosomes. The 23rd pair of chromosomes are the sex chromosomes. They determine an individual's sex. Females have two X chromosomes, and males have an X and a Y chromosome.
This is how you know if a karyotype is male or female?
Answer:
Females have two X chromosomes, and males have an X and a Y chromosome.
Discuss the meaning behind the term, “Desert of Death”.
Answer:
The desert is a very harsh place and it can be extremely deadly. The temperature is the main issue and it is very dangerous. So many people have died therefor it is called the Desert of Death.
Explanation:
According to the text, how much does an adult brain weigh?
about 3 pounds
about 20 pounds
about 11 pounds
about 12 pounds
Answer:
about 3 pounds
Explanation:
Answer:
The Adult brain weighs 3 pounds.
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what's hypertonic??.........
Answer:
hypertonic is having a higher osmotic pressure than a particular fluid
Answer:
answer in biology and physiology
Explanation:
1.BIOLOGY
having a higher osmotic pressure than a particular fluid, typically a body fluid or intracellular fluid.
2.
PHYSIOLOGY
in a state of abnormally high muscle tone.
Which organelle is labeled H?
Answer:
its the cell membrane
Explanation:
what are disadvantages of planting more trees or gardens for the world, plannet, enviornment, and community? HELP PLEASE I NEED AN EXPLANTION! THIS IS ALMOST DONE! I NEED AT LEAST 3 DISADAVTAGES PLEASE!
Answer:
1. While this helps make our air cleaner, it provides less space.
2. It takes effort and patience for trees to start growing on their own.
3. It can be costly when planting a lot of trees in an area.
Explanation: They make sense.
¿el significado de comedia?
Answer:para hacer reír a la gente y hacer brillar su día
Explanation:
in which layer would you find the most organic matter?
a.bedrock
b. horizon c
c. subsoil
d. horizon a
Answer:
D
Explanation:
Since Tony does not have PKU, what is the percent chance that he is a carrier
Answer:
0.01%
Explanation:
How do the types of resources generated by Kentucky compare with the United States?
Translate this RNA strand into amino acids
3’-UCAAGUCAUUAG-5’
________________________________
Answer:
AGUUCAGUAAUC
Explanation:
This might be slightly wrong, it was somewhat difficult for me to keep up with which letter I was on. Adenine always pairs with Uracil and Guanine always pairs with Cytosine.
Amino acids for given RNA strand is Serine - Leucine - Cysteine - Aspartic acid - Leucine.
There are 20 amino acids that are present in nature and are necessary for a number of biological functions. Although the molecular structures of these amino acids vary, they all have a core backbone made up of an amino group, a carboxyl group, and a side chain. Each amino acid is distinct due to its side chain, which also gives it special characteristics and abilities. Hydrophobic, hydrophilic, acidic, basic, and aromatic side chains can all be divided into different categories. How amino acids interact with their surroundings and other compounds is determined by this classification. Amino acids for given RNA strand is Serine - Leucine - Cysteine - Aspartic acid - Leucine.
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Create a problem that uses a monohybrid cross and work it out.
The Food Pyramid suggests that a healthy diet consists of a large portion of:
Answer:vegetables or protein maybe
Explanation:
A particular single-celled organism uses radiant energy to fix carbon as sugars. This organism generates ATP by breaking down sugars through a process that uses oxygen. Based on this information, how should this organism be classified?
A.
anaerobic autotroph
B.
anaerobic heterotroph
C.
aerobic autotroph
D.
aerobic heterotroph
Answer:
D
Explanation:
Answer:
For edmentum and Plato the answer is B, aerobic autotroph. For the person who asked the question the answer would be C, aerobic autotroph.
Explanation:
