Eukaryotic cells have a nucleus, while prokaryotes have DNA that floats around inside the cell.
Difference between prokaryote and eukaryoteEukaryotic cells contain membrane aound cell organelles, such as the nucleus, while on the other hand, prokaryotic cells do not have membrane around nucleus. Eukaryotes have mitochondria and chloroplasts, the cell wall, and the structure of chromosomal DNA whereas prokaryote have no organelles.
So we can conclude that Eukaryotic cells have a nucleus, while prokaryotes have DNA that floats around inside the cell.
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Answer:
Eukaryotic cells have a nucleus, while prokaryotes have DNA that floats around inside the cell.
Explanation:
Did it on my test
Polymers are made up of which of the following?
Atoms
Electricity
Threads
Pigments
Answer:
Your answer is A.) Atoms.
Explanation:
Hope this helps you!
Answer:
Threads
Any fabric you take from earth's surface they are made up threads.Polymers are also one kind of fabric .So they also contain threadsOption C
Was the Carboniferous period before dinosaurs???
HELP 15 POINTS
Answer:
YES
Explanation:
Dinosaurs first existed 230 million years ago whereas the carboniferous period existed 359 million years ago .
HOPE THAT HELPED.
Which product is the result of mitosis?
two genetically identical nuclei
four sperm and four eggs
four genetically identical nuclei
two sperm and two eggs
Answer:
two genetically identical nuclei
Explanation:
The result of mitosis is two identical daughter cells, genetically identical to the original cell, all having 2N chromosomes.
Hope this helped <3 brainliest please? :)
Which descriptions represent social consequences of sustainable land use?
1. Land is zoned for housing
II. Environmental degradation stops
III. Less land use causes economic downturn
o I and II
O ll and III
OI only
O lll only
Answer:
II and III
Explanation:
Did the quiz : ()
Answer:ll and lll
Explanation:
When do two gametes become diploid?
when they halve their number of chromosomes
when they come together during fertilization
when they create copies of themselves
when they grow in size
Answer:
when they come together during fertilization
Explanation:
PLEASE MARK ME BRAINLIEST IF MY ANSWER IS CORRECT PLEASEWhich of the following describes an outcome of water scarcity in a community?
A. Emigration of people into the area
B. Increased housing and construction
C. Increased poverty and disparity
D. More imports and exports
Answer:
C. Increased poverty and disparity
Explanation for the other answers being Incorrect:
A. More people are not going to move into an area with a shortage of water.
B. Water scarcity would most likely not have a direct correlation to the construction output. However, if it did, it would most likely make the construction and new housing rate decrease
D. Not having water can make people move away and leave the area, meaning that imports and exports which require workers would not see an increase of imports and exports
true breeding parents ______ trait variant(s) to there offspring A might only pass 1 B will pass 2 C can only pass one D will not pass
True breeding parents might only pass one (1) trait variant to their offspring (Option A).
What is true breeding?A true-breeding can be defined as a special type of mating where parents produce offspring that have the same phenotype.
True breeding occurs when parental lines having a given phenotype generate descendence with this same phenotype.
These parents need to be homo-zygous, i.e., they need to have the same gene variant or allele, for the trait to be inherited.
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Answer:
True breeding parents can only pass one trait variant(s) to their offspring.
the answer is C.
Explanation:
Have a nice day! (did it on my test n got it correct)
Which statement best explains why cells differentiate in multicellular organisms? Cells differentiate to form specialized cells that make up tissues and organs. Cells differentiate to form cells with different DNA that perform different functions. Cells differentiate to form the cells necessary for reproduction. Cells differentiate to create proteins and fat.
The statement that explain why cells differentiate in multicellular organisms Is Cells differentiate to form specialized cells that make up tissues and organs.
What are multicellular organisms?Multicellular organisms refer to living organisms that are comprises or made up of two or more cells for the proper functioning of the body make up.
Examples of multicellular organisms are goats, humans, sheep and so on.
Cells in multicellular organisms differentiate to form tissues and organs. Multiple cells former tissues and multiple tissues formed organ.
Therefore, The statement that explain why cells differentiate in multicellular organisms Is Cells differentiate to form specialized cells that make up tissues and organs
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Answer: The answer is Cells differentiate to form specialized cells that make up tissues and organs.
Explanation: I took the test and it was right
Hope this helps :)
help please
A cell is in a solution that contains dissolved oxygen. What occurs when the cell uses oxygen for respiration?
A.
Oxygen will be carried across the cell membrane by special transport molecules.
B.
Oxygen will be held in place within the solution by special transport molecules.
C.
Oxygen in the cell will naturally diffuse into the solution.
D.
Oxygen in the solution will naturally diffuse into the cell.
Answer:
D.
Explanation:
As the oxygen inside the cell is utilized by the cell for respiration, therefore the concentration of oxygen inside the cell decreases and the oxygen in the solution naturally diffuses inside the cells through simple diffusion.
What is dissolved oxygen?
Dissolved oxygen is the amount of oxygen that is dissolved in a particular solvent. The dissolved oxygen in water comes from the atmosphere. The aquatic plants that produce the oxygen also contribute to the dissolved oxygen in water bodies.
Aquatic organisms require dissolved oxygen for respiration as they cannot take up oxygen from the atmosphere. Oxygen in water can be measured as milligrams per liter or the percent saturation.
In the RBCs, the oxygen combines with the hemoglobin and is transported by hemoglobin-facilitated diffusion or through simple diffusion in which the oxygen crosses the plasma membrane and is transported to the blood plasma through diffusion.
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#SPJ2
Which of the following is NOT one of the principles of natural selection?
A
variations occur among individuals of a species
B
characteristics developed during a lifetime can be passed to offspring
C
organisms produce more offspring than can survive
D
variations are passed to offspring
Answer:
c
Explanation:
The mouth doesn't produce sperms.
Explain what biodiversity is and give three reasons why it is important write one additional sentence about what is happening to our planets biodiversity and why this is a concern
Answer:
I am only able to help with part of the question, but here it is:
Biodiversity: the variety of life in the world or in a particular habitat or ecosystem
I hope that this can help to get you started!
why cant biotic factors be composed of cells
Answer:
True
Explanation:
Because they can't be living, as abotic factors need cells to function. biotic don't need any cells because they are nonliving, such as a rock or a bed.
During which phase of the cell cycle is the cell growing and preparing for cellular division
Answer:
interphase
Explanation:
A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division.
which of the following is true of clouds at medium altitude
Options not given but
Clouds at medium altitudes are made of ice crystals.
As the mid-level clouds form ice crystals when the temperature is cold.
hope it helps
Answer: they cause light rain and snow
Explanation:
Why are sunflowers planted in nuclear affected areas?.
Answer:
Sunflowers can take up high concentration of radioactive isotopes and sequester them in stems and leaves hence, they have been employed to clean up contaminated sites following nuclear disasters.
Explanation:
Explanation:
sunflowers were planted across the affected landscapes to help absorb toxic metals and radiation from the soil.
2. If you break down each of the following, how many different atoms would you be able to recover? a) water
Hydrogen and oxygen atoms are produced when we break water molecule because it is made from these two atoms.
What we gain by breaking water molecules?When we break down water molecules, it splits into oxygen and hydrogen molecules. This can only be done throught the process of electrolysis. By passing an electric current, water can be converted into two atoms i.e. hydrogen and oxygen.
So we can conclude that hydrogen and oxygen atoms are produced when we break water molecule.
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Which piece of evidence did darwin observe during his 5-year journey aboard the hms beagle?.
Regular consumption of organic food will keep you in a good mood. In this example, the confounder could be:.
Anatomical features that are fully developed and functional in one group of organisms but reduced and functionless in a similar group are termed:.
We can confirm that Anatomical features that are fully developed and functional in one group of organisms but reduced and functionless in a similar group are termed vestigial.
What are vestigial features?These can be thought of as features that belonged to ancestors of a specific species and are no longer needed, and thus have been reduced to functionless vestiges through many generations of evolution. The appendix is one such example in humans.
Therefore, we can confirm that Anatomical features that are fully developed and functional in one group of organisms but reduced and functionless in a similar group are termed vestigial.
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explain how weather,climate,and seasons could affect the biotic and abiotic factors of an ecosystem
Weather, climate and seasons are factors that limit the distribution of different species of living beings in ecosystems, influencing survival and reproduction.
What are the biotic and abiotic factors of an ecosystem?Biotic factors are each of the living organisms of an ecosystem and abiotic factors are all non-living ones such as organic and inorganic substances in the system as well as environmental conditions.
Weather, climate, and seasons could affect these factors in altering the distribution of species, but would also decrease primary production, which would affect survival and growth.
Therefore, we can conclude that the weather, climate and seasons are factors that limit the distribution of different species of living beings in ecosystems, influencing survival and reproduction.
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Which is NOT connective tissue?
A. Bones
B. Fat
C. Blood
D. Neurons
The peristaltic movement of colonic contents triggered by the gastrocolic reflex approximately 1-3 times per day is called
what did the large prokaryotic cell provide the mitochondria and/or chloroplast ancestors?
Mitochondria and chloroplasts likely evolved from engulfed prokaryotes that once lived as independent organisms. At some point, a eukaryotic cell engulfed an aerobic prokaryote, which then formed an endosymbiotic relationship with the host eukaryote, gradually developing into a mitochondrion.
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Label the parts of the neurons. This is for ALL OR NOTHING. You have to get them all correct to get credit.
Question 12 options:
action potential
dendrite
axon
nucleus
synapse
body
1.
A
2.
B
3.
C
4.
D
5.
E
6.
F
According to the image, the letters correspond to: A. Synapse, B. Action potential, C. Axon, D. Nucleus, E. Dendrites, F. Body.
What is seen in the image?In the image you can see a neuron and its parts are labeled with letters in alphabetical order from A to F. However, it does not mention what each letter corresponds to.
Then, it can be inferred that each letter corresponds to:
A. SynapsesB. Action potentialC. AxonD. CoreE. DendritesF. BodyLearn more about neurons in: https://brainly.com/question/24217914
please can someone help asap?! so stressed with bio right now):
The answer is D) fruits and vegetables that do not spoil easily
You can eliminate B and C, since those two are clearly not positive outcomes (I doubt anybody would want more viruses and fewer animals on Earth!)
A is a little less obvious; however, genetically manipulating crops to have a slower growth rate would be a negative effect on the harvest (and it's probably something most farmers wouldn't want to do anyway.)
So, the answer is D. This makes sense, since having fruits and veggies that don't spoil easily would be a benefit so they can have longer shelf lives.
Hope this helps :)
Organisms that make their own food are known as ______ . This involves taking light from the Sun and converting it to chemical energy (photosynthesis).
A: autotrophic
B: heterotrophic
C: prokaryotic
D: eukaryotic
E: unicellular
F: multicellular
Answer: The correct answer would be A. Hope this helps! Please make me the brainliest!!!!!
Bees are common pollinators, and many commercially grown crops that we eat depend on bee pollination Bees' eyesight allows them to be such successful pollinators. They have two sets of eyes. At the top of their heads, bees have three smaller eyes (called ocelli) that help them discern light intensity, maintain stability, and navigate. They also have two large compound eyes that detect movement Bees can see ultraviolet (UV) light with their ocelli. Thus, vibrant ultraviolet colors and pattems in flower petals are visible to bees but invisible to us. These pigments often direct the bee to specific parts of the flower (eg, the flower's center). Additionally, their remarkable eyesight allows them to visualize objects at high speeds. For example, while you might see a blur of color if you quickly drove past a meadow, a bee could easily visualize individual flowers in the meadow without reducing its flight speed.
Given this information, consider why these characteristics may have evolved in the bee.In three to five sentences, describe these factors
• how one of these characteristics would benefit the bee .
• how one of these characteristics would benefit the flower or crop
Adaptations such as keen eyesight and ability to visualize colors allows the bees to find food while increasing the plants chances of pollination.
What are adaptations?Adaptation refers to the special features an organism possess that enhances its chances of survival in its environment.
The adaptations in bees such as eye structure help them to easily locate flowers to obtain nectar.
The plants themselves are benefited as they can easily get pollinated by the bees.
Therefore, adaptations such as keen eyesight and ability to visualize colors allows the bees to find food while increasing the plants chances of pollination.
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Describe the steps by which oxygen moves from the environment to cells in the body and carbon dioxide moves from cells to the environment.
Oxygen is inhaled into the lungs for gaseous exchange, to occur between the blood and the alveoli, where oxygen diffuses into the blood; then, binding to haemoglobin of the red blood cells, which is carried away to cells in the body for respiration and CO2 diffuses out of the blood, to be exhaled.
Hope this helps!
Natural selection changes allele frequencies because some __________ survive and reproduce better than others.
Answer:
individuals
Explanation:
.
breeding from an existing selection
creating high-producing animals
using biotechnology for breeding
Breeding creating high-producing animals by using biotechnology in order to create a productive organism.
What is genetic enginnering?Genetic engineering is the process in which we use recombinant DNA technology in order to change the genetic makeup of an organism.
So we can conclude that breeding creating high-producing animals by using biotechnology in order to create a productive organism.
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