True or false
Gel electrophoresis can tell you the sequence of a particular DNA fragment.
Answers
Hope this helps!
The statement 'gel electrophoresis can tell you the sequence of a particular DNA fragment' is FALSE.
Gel electrophoresis is a technique widely used in molecular biology laboratories to separate DNA and proteins on the basis of their molecular sizes.Gel electrophoresis consists in applying an electrical field through a gel that contains many small pores in which DNA fragments migrate.The interval of time required for the migration of these fragments of DNA is proportional to the molecular size.In conclusion, the statement 'gel electrophoresis can tell you the sequence of a particular DNA fragment' is FALSE.
Learn more in:
https://brainly.com/question/9437877
Related Questions
Are both strands of DNA copied continuously during replication? Explain your answer.
Answers
Answer:
Since the two strands of a DNA double helix are antiparallel, this 5′-to-3′ DNA synthesis can take place continuously on only one of the strands at a replication fork (the leading strand). On the lagging strand, short DNA fragments must be made by a “backstitching” process.
Explanation
Hope this helps!!!
Why does the fungus: Phytophthora infestans, attack potato crops?
Answers
Answer:
Phytophthora infestans is an oomycete or water mold, a fungus-like microorganism that causes the serious potato and tomato disease known as late blight or potato blight. Early blight, caused by Alternaria solani, is also often called "potato blight".
Explanation:
Answer:
Explanation:
Late Blight is caused by the fungus Phytophthora infestans. The late blight fungus is especially adapted for growth under conditions where water is present and cool temperatures persist. Temperatures ranging from approximately 50 to mid 90s oF will enable disease progression in the field (Franc et al., 1996).
what are the five functions of cell membrane
Answers
Answer:
protects the cell by acting as a barrier.
regulates the transport of substances in and out of the cell.
receives chemical messengers from other cell.
acts as a receptor.
cell mobility, secretions, and absorptions of substances.
Explanation:
PLEASE HELP!!
1) How do meteorologists know one storm from another especially if two are occurring at once?
2) If the current storm starts with an ‘H’ what are the next five storms for this year?
Answers
The naming of storms varies depending on the region and the organization responsible for tracking them. In the Atlantic basin, which includes the North Atlantic Ocean, the Caribbean Sea, and the Gulf of Mexico, the next five storms for 2023 would be named: Ida, Julian, Kate, Larry, and Mindy, in alphabetical order. However, it's important to note that storm names are not necessarily assigned in order and can sometimes be skipped or reused in future years.
Answer:
Satellites, Radars, Storm Spotters
Explanation:
Satellites: Satellites take pictures of Earth at regular intervals from space, telling us where clouds are located. Meteorologists watch these pictures over time to watch for rapidly growing clouds, a clue to a possible thunderstorm. Satellites also can tell us the temperature of the cloudsRadars: Radars send out electromagnetic waves that can be reflected back by precipitation or other objects in the air. Radars can measure the intensity, size, shape, and movement of rain, hail, or debris in a storm. Radars can also show the wind speed and direction near and inside the storm, which can indicate rotation or shear.Storm spotters: Storm spotters are trained volunteers who observe and report severe weather conditions from the ground. Storm spotters can provide valuable information about the location, structure, and behavior of a storm that may not be visible on radar or satellite. Storm spotters can also confirm if a tornado is on the ground or if there is any damageMeteorologists use these tools and techniques to distinguish one storm from another based on their location, size, shape, intensity, movement, and features. They can also compare different sources of information to verify or correct their analysis of a storm.
How do sediment properties (porosity & permeability) affect how groundwater movement occurs?
Answers
Answer:
Grain size, sorting and shape of particles in sediment or rock can influence how much empty space is available to store water (porosity) and the ability of groundwater to move through the material (permeability). Aquifers are water-bearing formations with good porosity and permeability and are important groundwater resources.
Explanation:
Complete the Punnett Square
Answers
Answer:
phenotype is Rr, or rr genotype is RR, or Rr.
Explanation:
because we combine two types of letters so we may find out what compartment of the Punnet square represents.
Because phenotype is a no no
Find 4 facts about the respiratory system
Answers
Answer:
A person usually breathes an average of 13 pints of air every minute.
Lungs aren't the same size. To accommodate the heart, the right lung is larger than the left lung.
Some air never leaves your lungs.
The lungs are the only organs that can float on water.
Explanation:
hope this helps!!!!!
Measuring Pulse
To take your pulse, you press your fingers against an artery near the surface of the body. What are you feeling and measuring when you take your pulse? Why can’t you take your pulse by pressing your fingers against a vein?
Answers
Answer:How long each heart beat are apart
Explanation:
the vein isnt conected to ur heart :P
1. How does a blue hyacinth change from small plant to large flower?
A. slowly
B. quickly
Answers
into a large flower.
Help..?
Invasive species are
the first species to populate to a new area
in danger of becoming extinct in the near future
plants or animals that migrated to new places where they are not native
consumers that eat only animals
Answers
Answer: plants or animals that migrated to new places where they are not native
Explanation:
Answer:
plants or animals that migrated to new places where they are not native
Explanation:
Invasive species are non-native species that cause harm to the environment, economy, or human health. These species often outcompete native species for resources, prey on native species, and disrupt the natural balance of the ecosystem. They can also spread diseases to other species, and cause significant economic damage. Examples of invasive species include the emerald ash borer, zebra mussels, gypsy moths, and Asian long-horned beetle.
A class is learning about the evaporation step in the water cycle using a simple model. The model consists of a 1-L container of water. When the container is open, and it receives sunlight, the water can freely evaporate from the container. The students design an experiment using the model. In the experiment, the container will be filled and left open outside from dawn until dusk at different times of the year. The students will run the experiment only on days with clear weather. As a basis of their experiment, the students make an assumption that more water will evaporate from their model when more solar energy is present. Which of the following is a result that the students could predict in order to test their assumption?
A.
Equal amounts of the water will evaporate on summer days and winter days.
B.
Less of the water will remain in the container after one day in summer than after one day in winter.
C.
Less of the water will remain in the container after one day in winter than after one day in summer.
D.
Some of the water will evaporate on winter days but not on summer days.
Answers
30 POINTS ANSWER ASAP NEED HELP SCIENCE QUESTION JUST DO THE GRAPH FILL IN EVERY BOX
Answers
Answer:
Atoms consist of three basic particles: protons, electrons, and neutrons. The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge). The outermost regions of the atom are called electron shells and contain the electrons (negatively charged).
Explanation:
Hope this helped!! please give me brainliest :)
A region experiences frequent landslides from heavy rains. How can the local residents lower the frequency of landslides in the region?
Start contour plowing soil in valleys that are impacted by landslides.
Plant vegetation on the slopes that experience landsides.
Encourage deforestation in the regions that haven’t suffered landslides.
Divert water so it flows into the affected region.
Reduce the slopes where landslides occur.
Answers
Answer: Plant trees or vegetation
Explanation: They help keep the soil in place.
While out hiking in the woods, Ian sees several wild grapevines wrapped around some tree trunks and branches. He notices the broad leaves and curling, forking tendrils of the vines that loop around the tree branches. This makes him think about the factors that influence the way things grow. Which factors contribute to the way organisms grow and develop? Choose the THREE that apply.
a. genetics
b. size
c. response to stimuli
d. structures
e. access to resources
Answers
Explain which aquatic environments are more likely to have winter ice.
Answers
The freshwater ecosystem (rivers, ponds, oceans) is more likely to have winter ice because it does not contain salts as in the marine ecosystem, which prevents the water to freeze.
What are aquatic environments?Aquatic environments are the water contain environments. These environments include rivers, ponds, lakes, seas, oceans, etc. Aquatic environments contain aquatic animals like fishes, octopuses, frogs, crocodiles, etc.
Freshwater bodies freeze easily, and salt water bodies do not freeze easily because salt present in the water prevents it from freezing.
Thus, because freshwater ecosystems (rivers, ponds, and oceans) lack the salts found in marine ecosystems that keep the water from freezing, they are more prone to have winter ice.
To learn more about aquatic environments, refer to the link:
https://brainly.com/question/3005044
#SPJ6
Read the excerpt from Narrative of the Life of Frederick Douglass. What is Frederick Douglass' point of view about Baltimore based on the following sentences?
"Their names were Peter, Isaac, Rich, and Jake. These were esteemed very highly by the other slaves, and looked upon as the priveleged ones of the plantation; for it was no small affair, in the eyes of the slaves, to be allowed to see Baltimore.
a. Baltimore is a place slaves rarely got to see, so those who did were held in a high regard.
b. Baltimore is a fantastic place, and if the slaves go there they can be free.
c. Baltimore was where all of the masters would meet to sell their slaves.
d. Baltimore was cursed by the slaves, because they could never see it.
Answers
I think it would be A.
Answer:
a. Baltimore is a place slaves rarely got to see, so those who did were held in a high regard.
Explanation:
If you could repeat the experiment and make it better, what would you do differently and why? There are always ways that experiments can be improved. Now that you are a veteran of this experiment and have experience with the procedure, offer some advice to the next scientist about what you suggest and why. 7 Life Science
100 points gave me a good answer.
Answers
1. Increase sample size: By increasing the sample size, the statistical power of the experiment increases, which makes it easier to detect differences between groups or conditions.
2. Use a control group: A control group is essential to reduce the impact of confounding variables and to validate the experimental design. The control group should be identical to the experimental group, except for the manipulated variable.
3. Randomize the assignment of subjects: Randomization helps eliminate bias and ensures that differences between groups are due to the manipulated variable and not due to pre-existing differences between subjects.
4. Blind the experiment: Blinding reduces the impact of bias by preventing experimenters and subjects from knowing which group they are in. This can be achieved through single-blind or double-blind procedures.
5. Replicate the experiment: Replication is crucial to ensure the reliability of the results. Ideally, experiments should be replicated by different researchers in different labs.
6. Use appropriate statistical analysis: Choosing the right statistical analysis is important to ensure the validity of the results. Statistical tests should be chosen based on the type of data collected and the research question.
7. Document all procedures: Documenting all procedures, including the experimental design, data collection methods, and statistical analysis, is essential for transparency and reproducibility.
Hope this applies to your experiment in anyways best of luck
What did Aristotle think regarding fossil shells?
A. that geologic time could be calculated by shell deposits
B. inferred that fossils were once part of living animals
C. the sedimentary rock was formed in layers
D. that geological time could be determined by rock strata
Can someone please help me with this quickly, It is worth 10 points?.....
Thank You!
Answers
No
(Daily Question) If you were to choose what animal you would be what would the animal be? Comment your answers too!
Answers
Monkey
we are most similar to them but smarter so i think it would be fun to kinda relearn how to do basic stuff like making tools, since some monkeys can make stuff with a simple rock. AND OF COURSE TO SWING!!!
Which of the following is the basic unit of life?
A) CELL
B)ELEMENT
C)NUCLEUS
D)SEED
Answers
Answer:
(a) cell
Explanation:
"What do scientist call the basic unit of life?
The basic unit of life is the cell. In 1838, scientists Theodor Schwann and Matthias Schleiden came up with the original version of the cell theory, which concluded that the basic unit of living things is the cell."
Answer:
A cells
Explanation:
Cells are the basic units of life. cell, in biology, the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed.
After assembling the materials, record your observations. Describe what the setup looks like and the color of the leaves and twigs. Predict what changes will take place over the next few weeks.
Answers
Answer: here is an answer sorry if it's not what u were looking for but I have no information to correctly answer this ques
Explanation:
In the areas with lots of human interference, human activity has contributed to a lower biodiversity. People might litter on the ground or simply step on animals. Other times, people may add chemical fertilizers and pesticides to the soil. These activities all contribute to a loss of biodiversity. A low biodiversity is unfavorable because these ecosystems take longer to recover from environmental changes.
What level of organization describes a pack of dogs?
A) Organisms
B) Population
C) Community
D) Ecosystem
Answers
Answer:
C
Explanation
i gotchu
Answer:
Organisms
Explanation:
Carnivora is the name of the taxon at the order level; Canidae is the taxon at the family level, and so forth. Organisms also have a common name that people typically use, in this case, dog. Im not sure but i think this is what you want to know/mean
Science about fossils
_____was the element that was discovered in large quantities of rock by the Alvarez' in conjunction with the extinction of the dinosaurs.
Answers
Answer:
Sulphur is the answer I think
what organ system is affected? in colorblindness
Answers
Answer: Nervous System
Explanation:
Due to nerve cells dying.
What are some examples of suitable environments for bacteria?
How might bacteria avoid dying if an environment is not suitable?
How are bacterial cells different from plant and animal cells?
Describe how bacteria reproduce. How can bacteria acquire new characteristics?
Answers
Answer:
bacteria are found everywhere even in hot springs. Bacteria are different from other organisms because they don't have membranes bound organelles .they replicates to produce
Explanation:
Bacteria can live in hotter and colder temperatures than humans, but they do best in a warm, moist, protein-rich environment that is pH neutral or slightly acidic. There are exceptions, however some bacteria thrive in extreme heat or cold, while others can survive under highly acidic or extremely salty conditions.
How might bacteria avoid dying if an environment is not suitable?Many types of bacteria, if environmental conditions become unfavourable (lack of water, increase in temperature, etc), will go into a sort of dormant state, called an Endospore.
How are bacterial cells different from plant and animal cells?Because bacteria are prokaryotic, they do not have a nucleus and no membrane-bound organelles. In contrast, plants and animals are made up of eukaryotic cells, which means they have a nucleus and membrane-bound organelles like mitochondria or Golgi apparatus.
Describe how bacteria reproduce. How can bacteria acquire new characteristics?Bacteria reproduce through a process called binary fission. During binary fission, the chromosome copies itself, forming two genetically identical copies. Then, the cell enlarges and divides into two new daughter cells. The two daughter cells are identical to the parent cell.
Hope my answer helps you ✌️
Mark BRAINLIEST
Imagine that you are a grain of pollen on a flower that cross-pollinates
the flower of another plant of the same species. Write a journal
entry in complete sentences describing your journey. Correctly
include each of these terms in your entry: pollinator,
pollen, pistil, stamen, anther, stigma, ovary, and eggs
Answers
Answer:
As a grain of pollen on a flower, I am responsible for cross-pollinating the flower of another plant of the same species. I began my journey on the stamen of one flower, where I picked up the pollen from another. I was carried to the pistil of the next flower and deposited the pollen on the stigma. I then traveled down the style to the ovary, where I fertilized the eggs, commencing the production of the next generation of this flower.
Once I reach the stigma, I begin to germinate and grow a pollen tube that will guide me down to the ovary. Inside the ovary, I will fertilize the eggs, which will eventually develop into seeds. This process is known as cross-pollination, and it is an essential part of the plant's life cycle.
As I make my way down the pollen tube, I am filled with excitement and anticipation. I know that I am playing a critical role in the plant's reproduction, and I am proud to be a part of this process. Once I reach the ovary and fertilize the eggs, my journey will be complete, and I will have helped to ensure the continuation of the plant's species.
where did the name '' hamster'' probably come from?
A. The animal was discovered by a person named Hamm.
B. People thought the animals looked like little hams.
C. It comes from a word meaning ''tiny''.
D. It comes from a word meaning ''to hoard''.
Answers
Answer:European Hamster
Smallest breed
Roborovski hamster
Stout-bodied rodents,
with tails shorter than body length, and have small, furry ears, short, stocky legs, and wide feet.
en.wikipedia.org
Popular breed
Golden hamster
They carry food in their spacious cheek pouches to their underground storage chambers. When full, the cheeks can make their heads double, or even triple in size.
en.wikipedia.org
Explanation:
describe how the force of gravity acts upon an object, and give an example.
Answers
What are some of the other common organisms that live in the desert (biotic factors)?
Answers
Answer:
Some of the other common organisms that live in the desert (biotic factors) include reptiles, amphibians, insects, small mammals, and birds. This can be determined by using the information from desertusa.com, which states that some of the other common organisms that live in the desert (biotic factors) include reptiles, amphibians, insects, small mammals, and birds.
Explanation:
Answer:
In deserts, you'll usually see a lot of open land and not much of any plants. Animals that live in deserts include lizards, geckos, jackrabbits, camels, snakes, spiders and meerkats.
Based on these images, what can you say about the tentacles of an octopus and the limbs of a lizard?
Answers
Answer: 4
Explanation: