Chance changes in allele frequencies within a population are called:.
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
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Which of the following affects the outcome of an experiment?
a)Standard
b)Control
c)Dependent variable
d)Independent variable
What does it mean when you see flashing lights in your eyes?.
Describe the energy conversions that occur as a microwave oven heats a cup of water. Give at least two energy conversions. Explain how these energy conversions affect the process of heating water particles in a cup using a microwave . Enter your answer in the box provided .
The energy conversions that occur as a microwave oven heats a cup of water is Electrical energy to Heat energy.
Energy conversions
The energy conversions that occur as a microwave oven heats a cup of water is listed below:
Electrical energy to Heat energyThe electrical energy powers the microwave which in turn heats up the water by converting electrical energy into heat energy that heats up the water particles in a cup in a microwave.
Thus, the energy conversions that occur as a microwave oven heats a cup of water is Electrical energy to Heat energy.
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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.
how do the x and y chromosomes differ
Answer:
see the attached file! (≡^∇^≡)
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
what is the main reason equatorial ocean water is warmer than polar ocean water?
O A. Gyres in the northern hemisphere flow clockwise.
O B. The sun heats Earth and its oceans unevenly.
O C. Deep sea vents pump steam into oceans unevenly.
O D. Upwellings spew warm water toward the equator.
Answer:
option B
Explanation:
i think the answer will be B as the sun rays directly hit the earth at the equator and equatorial regions.
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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
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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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:
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.
How can a medical transcriptionist make sure that the information he or she found on the Internet is valid and accurate? Explain.
Answer:
What is Medical Transcription?
Medical transcription is when a medical report is typed from a dictated audio file recorded by a physician, a nurse, or some other healthcare provider.
Doctors, nurse practitioners, surgeons, and other healthcare providers have important, stressful jobs. They’re on their feet all day, doing everything they can to help the patients in their care. There’s a lot that can get in their way, however, and many frequently express frustration in getting so bogged down with paperwork that it limits their time with their patients.
The number one task that can suck up too much time from healthcare providers is transcribing their own notes. These notes can include everything from clinical summaries to surgery notes. Taking an audio recording and turning it into a written document that’s needed for their own records, insurance claims, and patient’s medical charts can take some providers a few hours per day.
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:
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
The series of changes that occurs after a disturbance in an existing ecosystem is called:.
What prevents the simultaneous passage of sperm and urine through the male urethra?.
Answer:
internal urethral sphincter.
Explanation:
Lightly place your fingers on your wrist or neck and try to find your pulse. Count your pulse for 10 seconds and then multiply that number by 6 to get your heart rate for a minute. What activities do you think will increase and decrease your heart rate?
Answer:
Stress can send hormones like adrenaline and cortisol racing through your blood, which can raise your heart rate. Things like meditation and yoga can help lower stress levels. Over the long term, they can lower your resting heart rate, too
Explanation:
Stress can send hormones like adrenaline and cortisol racing through your blood, which can raise your heart rate. Things like meditation and yoga can help lower stress levels. Over the long term, they can lower your resting heart rate, too
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.
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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Over several years, a scientist successfully isolates a species of flower for white color. this year, when the new generation of flowers blooms, one yellow flower is found in the population. which is the best reason for the appearance of a new flower color within the species?
Answer:
genetic mutation
Explanation:
just took the exam
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.
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:
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A person usually experiences small variations in body temperature over a 24-hour period. These variations in temperature are an example of
The small variations in body temperature which a person experiences over a 24-hour period is an example of dynamic equilibrium.
What is dynamic equilibrium?Dynamic equilibrium can be defined as the small variations in the temperature of the body of a living organism over a 24-hour period, which is typically a day.
This ultimately implies that, dynamic equilibrium simply refers to the small variations in body temperature which a person experiences over a 24-hour period.
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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:
.
How far is 1mile in feet
Answer: 5,280 Feet
Explanation:
1 Mile = 5,280 Feet
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.