Answer:
The genetic material in the germline cells is passed onto offspring, not somatic cells.
Explanation:
A body cell is another terms for somatic cell. Germline cells refer to cells involved in reproduction, like the egg and sperm. During reproduction, only these cells combine to start creating the new life. Therefore, the genetic changes that occur in body cells have no effect on the offspring because the change is not also found in the germline cells. Should there be genetic changes in the germline cells, then these alterations would be present in the offspring.
70 POINTS
Write “D” if for DNA, “R” if for RNA, or “BOTH” if it pertains to both DNA and RNA.
1 ._________ I am a nucleic acid.
2 ._________ I am usually single - stranded.
3 ._________ I am generally found both in side and outside of the nucleus [in eukaryotic cells].
4 ._________ I am arranged as a double helix , and my shape is often described as a “twisted ladder.”
5 ._________ I include bases guanine, cytosine, and adenine .
6 . ________ Each of my nucleotides includes a phosphate, sugar, and base .
7 ._________ I include the base uracil .
8 ._________ I include the base thymine .
9 ._________ I generally remain in the nucleus [in eukaryotic cells].
10 .________ I have the sugar deoxyribose.
11 .________ I am made up of nucleotides .
12 .________ I have the sugar ribose .
Answer/Explanation:
1. Both because RNA and DNA consist of Adenine, Uracil, Guanine, Cytosine, and Thymine which are all nucleic acids
2. R. RNA is usually single stranded while DNA is double stranded getting the name the "double helix"
3. D. DNA can usually be found in the nucleus of a cell but can sometimes be found in the mitochondrion of that cell which is outside of the nucleus
4. D. DNA got the name double helix because of its ladder like shape. The shape of DNA looks like ladders curling around a pole
5. Both. This is because both RNA and DNA consists of these nucleic acids but the acids that make then unique are the uracil in RNA and the thymine in DNA
6. Both. This is because all nucleotides consist of a phosphate, sugar, and a base. Thats what makes up a nucleotide
7. R. As it was said earlier, RNA has the same nucleic acids as DNA except uracil. DNA has thymine instead of uracil
8. D. DNA has thymine instead of uracil
9. Both. Both DNA and RNA are usually in the nucleus doing their jobs to help us function
10.D. DNA has sugar deoxyribose while RNA has sugar ribose.
11. Both. Both DNA and RNA are made up with nucleotides like thymine, uracil, adenine, and more
12. R. Only RNA has sugar ribose since DNA has sugar deoxyribose
Cortisol (hydrocortisone) is a ______ that affects glucose, protein, and fat metabolism and is produced in the ______ zone of the adrenal cortex.
Cortisol (hydrocortisone) is a steroid that affects glucose, protein, and fat metabolism and is produced in the middle zone of the adrenal cortex.
What is cortisol?Cortisol or hydrocortisone is a steroid hormone, produced by the adrenal cortex, that regulates the metabolism of carbohydrates and maintains blood pressure.
The adrenal gland is responsible for the secretion of the hydrocortisone hormone; specifically the middle part of the adrenal gland also called the zona fasciculata.
Therefore, cortisol (hydrocortisone) is a steroid that affects glucose, protein, and fat metabolism and is produced in the middle zone of the adrenal cortex.
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what are the importance of biology? give any two point
Answer:
helps us understand the living world and the ways its many species (including humans) function, evolve, and interact.
Explanation:
Elizabeth wants to test DNA using Restriction Fragment Length Polymorphism (RFLP). What type of DNA sample would MOST likely be successful using RFLP
The type of DNA sample that would MOST likely be successful using RFLP is a sock soaked in human sweat.
What is RFLP?Restriction Fragment Length Polymorphism (RFLP) is a type of molecular marker used to identify samples of DNA.
RFLPs are fragments of different lengths that can be separated by electrophoresis and then identified.
In conclusion, the type of DNA sample that would MOST likely be successful using RFLP is a sock soaked in human sweat.
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Answer:
a sock soaked in human sweat
Explanation:
a variation in the length of restriction fragments produced by a given restriction enzyme in a sample of DNA. Such variation is used in forensic investigations and to map hereditary disease.
Which animal is native to a different part of the world than the other two?.
bacterium
What caused the evolution of antibiotic-resistant bacteria?
Answer:
The development of generations of antibiotic-resistant microbes and their distribution in microbial populations throughout the biosphere are the results of many years of unremitting selection pressure from human applications of antibiotics, via under-use, overuse, and misuse.
Explanation:
Hope this helps :^)
Question 2(Multiple Choice Worth 3 points)
(02.06 LC)
Which of the following is a reactant during cellular respiration?
Carbon dioxide
Glucose
Energy
Water
Answer:
3
Explanation:
because we release carbon dioxide after cellular respiration.
The series of changes that occurs after a disturbance in an existing ecosystem is called:.
What are some of the ways modern Americans rely on a global agriculture system?
Critical Thinking Questions
The U.S. is a leader in agriculture and food globally. In the last 150 years, technologies and innovations in the production, transportation, and retailing of food have developed economic growth at home and provided affordable food to the of people of the world.
What is the role of globalization in agriculture?Globalization has developed agricultural production and resulted it in growing much faster compared to the ones in the past.
Before the fast growth was around over 3 percent per year. Now at this time, it is 4 to 6 percent.
However, these increased rates of growth involve a particular change in its composition.
Thus, it can be concluded that globalization helped billions of people to overcome extreme poverty and improved their lives.
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Which of the following is not a pathogen?
A- Bacteria
B- Viruses
C- Fungi
D- Antibiotics
Answer:
Antibiotics is no a pathogen
How does a nuclear reaction compare to a chemical reaction?
Answer:
Nuclear reactions involve a change in an atom's nucleus, usually producing a different element
Explanation:
Chemical reactions, on the other hand, involve only a rearrangement of electrons and do not involve changes in the nuclei. Different isotopes of an element normally behave similarly in chemical reactions.
the functional relationship between nucleus ribosome and rough endoplasmic reticulum.
Answer:
The ribosomes on rough ER specialize in the synthesis of proteins that possess a signal sequence that directs them specifically to the ER for processing.
Answer:
BOTH ARE USED IN THE SYNTHESIS AND TRANSPORTATION OF PROTEIN.
what is the difference between an extinct species and a mass extinction?
Answer:
Well, an extinct species refers to a single species completely dying off whereas a mass extinction happens when a massive number of species all dye off at the same time.
Explanation:
For example, when the asteroid wiped out all the dinosaurs that was a mass extinction, but the gradual disappearance of the African Black Rhino would simply be considered as an extinct species because of the fact that not every kind of Rhino to ever exist was wiped out.
Who invented computer??
Answer:
Charles Babbage
Explanation:
English mathematician and inventor Charles Babbage is credited with having conceived the first automatic digital computer. During the mid-1830s Babbage developed plans for the Analytical Engine.
Answer:
English mathematician and inventor Charles Babbage is credited with having conceived the first automatic digital computer. During the mid-1830s Babbage developed plans for the Analytical Engine.
In the past, humans developed varieties of dogs, such as the German shepherd and the bearded collie, using
Answer:
Selective Breeding
Explanation:
Selective breeding is the result of choosing two parents with certain characteristics in order to produce an offspring that is more likely to possess these traits. Over generations, these traits can accumulate to the point of creating a new breed. To put it simply, all dog species share a common ancestor-the wolf.
Explain why the radiolabel was present in the homogenate. Describe the role of light in the synthesis of ATP and NADPH and how the absence of light may have affected this process
During photosynthesis, light excites electrons in the photosystems and it is used to generate ATP and NADPH.
What is photosynthesis?Photosynthesis is a series of chemical reactions used by plants to generate carbohydrates by means of light energy (solar radiation).
During this process, light excites electrons in the photocenters and this energy can be converted to chemical energy via ATP and NADPH production.
In conclusion, during photosynthesis, light excites electrons in the photosystems and it is used to generate ATP and NADPH.
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an engine cut-off lanyard helps to reduce the risk of what?
An engine cut-off lanyard helps to reduce the risk of striking a person in the water with a propeller. The correct answer is option 2.
A propeller is a device with rotating blades that is used to propel a vehicle through a fluid, such as air or water. In the context of boating, a propeller is a rotating device that is attached to an engine and used to propel a boat through the water.
An engine cut-off lanyard is a safety device that is attached to the operator of a boat and to the engine's kill switch. If the operator is thrown from the boat, the lanyard will pull the kill switch, stopping the engine and preventing the propeller from causing injury to the operator or others in the water.
Therefore, an engine cut-off lanyard is an important safety feature that can help prevent accidents and injuries on the water. Option 2 is the correct answer.
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The given question is incomplete. The complete question is:
An engine cut-off lanyard helps to reduce the risk of what?
1. Stopping the engine if the oil level gets low·
2. Striking a person in the water with a propeller·
3. Starting the engine without proper choke applied·
4. Over-revving an outboard engine at idle
Homogeneous means?
A. The components of the mixture form a single phase
B. The particles of a solution are in harmony with each other
C. The solution can change phases
Answer:
B.
Explanation:
wont let me say the word but it means to be the same as something according to gogle. SO it would make sense that if something was the same as another for them to be in harmony.
Gene regulation is more
specific in eukaryotic
organisms because . . .
A. in multicellular organisms cells differentiate.
B. there aren't as many chromosomes.
C. they are single-celled organisms.
D. their DNA is much smaller than in prokaryotic organisms.
Answer:
A.) In multicellular organisms, cells differentiate.
Explanation:
A.) is correct because eukaryotes are multicellular organisms. Not all of these cells are located in the same place or serve the same function. Because of this, many cells need to differentiate. When organisms have more specialized cells, they need to have more complex gene regulation processes in order to create these cells and control their behavior.
B.) is incorrect because eukaryotes have more chromosomes than prokaryotes. While prokaryotes only have one circular chromosome, eukaryotes can have many more depending on the species.
C.) is incorrect eukaryotes are not single-celled organisms. Eukaryotes are multicellular organisms and prokaryotes are single-celled organisms.
D.) is incorrect because eukaryotes have a lot more DNA than prokaryotes. This makes sense because eukaryotes are more complex than prokaryotes.
Answer: A. in multicellular organisms cells
Explanation:
All of the following are negative impacts farming has on the environment EXCEPT __________________.
A. increasing food supply for the increasing population growth.
B. developing land to use for farms which takes away habitats for native plants and animals.
C. spraying pesticides on farm fields that run into natural waters and harm native species.
D. routing water away from natural sources to use on crops, means natural bodies of water cannot support native species.
Answer:
A. increasing food supply for the increasing population growth
In your own words wright a paragraph of the process of the respiratory system. 4-7 sentences
Answer:
First, you breathe in oxygen through your trachea. The air travels down through the trachea to your lungs. Then your lungs transport the oxygen through your pulmonary artery to your heart. Then the heart transports the oxidized blood throughout your body. Then once the blood gives away all the oxygen your veins take the filtered blood through your pulmonary vein and back to your lungs to get oxidized again. I hope this helps
Explanation:
Dna polymerase is most active during which phase of the cell cycle?.
Answer:
yes it is. That is because DNA has a definite purpose. and is most active during when it is in the important phase.....
the cell cycle
What does it mean to say a gene is under both positive and negative regulation?.
Answer:
In negative control, a regulatory protein shuts down transcription, and in positive control, an activator switches on transcription.
Explanation:
.
What does it mean when you see flashing lights in your eyes?.
why do saturated fatty acids have straight structures
The reason they do is because the linear nature of saturated fatty acids allows for tightly packed formations
A body of fresh water is shown below.
B
Which point in this body of water is most likely to be in the photic zone?
A. Point D
B. Point B
C. Point A
D. Point C
Answer:
Point B
Explanation:
Point B is getting the most light and is closet to the surface
Point B is getting the most light and is closet to the surface.
What is Photic zone?The daily cycle of light and dark in the photic zone of the world's oceans is maybe the most potent environmental signal accessible. Russell's suggestion that zooplankton resided in depths with the best light intensity was one of the early reports to propose that light had a major role in vertical migration.
He went on to say that as animals strayed from this zone of ideal light intensity, physiological responses governed by photochemical systems prompted them to come back.
Subsequent reviewers came to the conclusion that there was a lot of (although speculative) evidence that light had a substantial role in controlling fish's vertical migration.
Therefore, Point B is getting the most light and is closet to the surface.
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6. Which of the following processes puts excess carbon in the environment? (1 point)
a. Marine respiration
b. Burning fossil fuels
c. Terrestrial photosynthesis
d. Nitrification
When it is winter in North America, it is summer in South America. Explain why this happens. Read the assignment carefully and make sure you answer each part of the question or questions. After you've written your response, go back and read it again to make sure your thoughts are clear.
Answer:
It is also important to remember that the seasons in South America are the reverse of that in the Northern Hemisphere, meaning that summer falls between December and February and winter between June and August.
The further north you are on the continent, the closer you are to the Equator (the country, of course, but also the Equator line). The temperature variations between the different months of the year are therefore smaller and smaller as you go up. In other words, each seasons of South America depends on its country.
Chance changes in allele frequencies within a population are called:.
How far is 1mile in feet
Answer: 5,280 Feet
Explanation:
1 Mile = 5,280 Feet