Who are they (people in the options)?
• Watson and Crick, = Two scientists that discovered that the DNA is double-stranded and has a unique structure.
,• Rosalind Franklin, = She used x-ray crystallography to produce an image of DNA.
,• Gregor Mendel ,= He is an Austrian monk that experimented on garden peas and formulated the now known "Mendelian Genetics".
ANSWER: A. = Rosalind Franklin despite producing a photo of DNA through x-ray crystallography failed to make a model for the DNA. Watson and Crick made the model out of Rosalind Franklin's images.
What is not likely to appear on a map
The Horizon is not likely to appear on a map.
Explanation:The ones not likely to appear on a map are satellites. The longitude indicates the distance sideways or east to west of the Prime meridian and is very helpful in determining the location of a place. This is also true for the cardinal directions and the poles.
7. A niche is
a) a small population of organisms
b) a place in which organisms live
c) a large collection of ecosystems
d) the role an organism plays in an ecosystem
Answer:
its d!
Explanation:
good luck! :)
Phenylketonuria (PKU) is a recessive inherited disease caused by a mutation in the PAH gene. PKU causes a high amount of the essential amino acid phenylalanine to build up in the body, which can cause neurological and other problems.What is most likely true about the PAH gene? A. It codes for a functioning protein in individuals with PKU. B. It codes for a protein needed to break down phenylalanine. C. It codes for a non-functioning protein in individuals without PKU. D. It codes for the production of the amino acid phenylalanine.
Given the information about PKU and the PAH, we can evaluate the options:
A is false because it says the protein is functional in individuals with the disease.
B is more likely to be true because when the protein produced by PAH isn't functional, the phenylalanine builds up.
C is false because it says the protein isn't functional in healthy individuals.
D is false because phenylalanine is an essential amino acid, which means the body can't produce it.
Which of the following is an example of respiration?
O Breathing only
O Passing gas
O Reproduction of new cells from old cells
O Transformation of food into energy
Answer:
transformation of food into energy
How did the different environmental factors (WIND, HEAT, LIGHT) affect the transpiration rates of all plants?
These factors are the same climatic factors that can either promote or inhibit plant growth and development and, eventually, crop productivity.
in the case of WIND HEAT AND LIGHT, they all increase the transpiration rates of the plants
why do chemicals from the endocrine system not cause every tissue to function as they pass them on thei journey through the body?
please help me T-T
Answer: Chemical messengers from the endocrine system (hormones) will only bind to specific receptors on target cells. If the cell does not have the receptor for said messenger, the messenger will not bind and the cell will not change in function.
Explanation:
Which type of financial aid will not be identified in the Free Application for
Federal Student Aid (FAFSA)?
A. Pell Grants
B. Private scholarships
OC. PLUS loans
OD. Work-study programs
Which pair of chromosomes determine a person’s gender?
Question 14 options:
24th
21st
23rd
22nd
Answer:
23
Explanation:
All humans have a total of 23 pairs of chromosomes, so that immediately eliminates the 24th. Our sex chromosome is the last one, which is the 23. It can either be XX (Female) or Xy (Male)
Hope this helps!
What is a possible reason for abnormally low heart rates?
Bradycardia is a gradual than the normal heart rate. Having bradycardia means that the heart beats lesser than 60 times in one minute. It can be caused by several medical conditions such as heart tissue damage due to aging, congenital heart defect, myocardia, hypothyroidism, and damage to heart tissue due to heart attack.
Answer - Option 2 - underlying medical condition.
When researching a question using the scientific method, what is the next step after testing your hypothesis?
Question 2 options:
Draw conclusions.
Analyze the results.
Propose ways to duplicate your research.
Pose a question.
The next step after testing hypothesis :-
1. Pose a question.
2. Propose ways to duplicate your research.
3. Analyze the results.
4. Draw conclusions.
The next step in the scientific method is to test the hypothesis via designing an experiment. This consists of growing a listing of substances and a process a step-with the aid of-step rationalization of the way to conduct the experiment.
Hypothesis is a testable declaration approximately the relationship between or extra variables or a proposed reason for some observed phenomenon.
A hypothesis states your predictions approximately what your studies will find. It's far a tentative answer to your research query that has not but been examined. For a few research initiatives, you may must write several hypotheses that deal with distinct elements of your research question.
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which of the following molecules did William Prout NOT say was in urea?
show the molecules so yeahh
James measured the humidity of the air in his back yard each morning for four days. His data is recorded below.
Day Humidity
1.
52%
II.
46%
75%
98%
On which day did it most likely rain?
OA. Day I
OB. Day II
OC. Day III
OD. Day IV
III.
IV.
According to the given data It most likely rain on Day 4 98%.
The correct option is D.
Briefing:The relative humidity is typically between 90 and 99 percent when it is raining, but it is rarely greater than 100 percent. Rain happens when water droplets get too large to be maintained in the atmosphere and fall to the ground. Clouds are created when invisible water vapor gas condenses to visible water droplets.
Why is humidity more on rainy days?The water vapour content controls the amount of rainfall during extremely strong downpours, in which all of the water in the atmosphere is frequently soaked out. We are more likely to experience rain when the humidity is higher because water vapor expands at a faster rate.
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The complete question is -
James measured the humidity of the air in his back
yard each morning for four days. His data is
recorded below.
Daily Humidity Chart:
Day 1 52%
Day 2 46%
Day 3 75%
Day 4 98%
On which day did it most likely rain?
A. 1
B. 2
C. 3
D. 4
A person without the allele for sickle cell anemia has children with a person who is a carrier for sickle cell anemia but doesn’t have the disease. What percentage of their children will have sickle cell anemia? What percentage of their children will be carriers for sickle cell anemia? Show your work with a Punnett square. Queen pls I need help ASAP
Sickle cell anemia is an inherited autosomal recessive disease, which means that only the homozygous recessive individuals have the disease, heterozygous individuals are carriers, and homozygous dominant individuals are normal.
Let "N" represent the normal gene, i.e. without the mutation, and "S" represent the gene with the sickle cell mutation.
The genes of the parent without the disease will be NN, and it will produce gametes with the normal allele "N"
The genes of the parent that carries the disease will be NS and will produce gametes with the normal allele "N" and the recessive allele "S"
For both parents, each allele will have a 0.50 probability, this is granted by the random segregation of genes during meiosis.
To construct the Punnet square, you have to write the gametes of one of the parents in the first row and the gametes of the second parent in the first column. Write the corresponding probabilities for each gamete in each cell:
Cross each column with each row to determine the gene combination of the offspring:
When you cross the first column with the first row, the resulting genotypes will be NN, to determine its probability you have to multiply the probability of the individual inheriting each allele:
[tex]P(N)\cdot P(N)=0.5\cdot0.5=0.25[/tex]Write the result in the Punnet square:
Repeat for all combinations:
-First-row + second-column, the genotypes for the offspring will be NN, and its associated probability is equal to the product of the probabilities of each allele:
[tex]P(N)\cdot P(N)=0.5\cdot0.5=0.25[/tex]-Second-row + first-column, the genotypes of the offspring will be NS, and the associated probability is equal to the product of the probabilities of inheriting each allele:
[tex]P(N)\cdot P(S)=0.5\cdot0.5=0.25[/tex]-Second-row + second-column, the genotypes of the offspring will be NS, and, as before, the probability associated will be:
[tex]P(N)\cdot P(S)=0.5\cdot0.5=0.25[/tex]Write the results in the Punnet square:
As you can see, the offspring will have two possible genotypes NN and NS, to determine the percentage for each you have to add the probabilities of the cells that show the same genotype:
[tex]P(NN)=0.25+0.25=0.50[/tex][tex]P(NS)=0.25+0.25=0.50[/tex]So, 50% of the children will be homozygous dominant (NN) and 50% of the children will be heterozygous (carriers).
As you can see, since there was only one parent that carried the allele S, there is no possibility that their children will carry the homozygous recessive genotype SS. The probability of their children having sickle cell anemia is 0%
While vertical farming may be an urban substitute for spacious farmlands, there is no guarantee that it will be a reliable substitute for regular farms.
Responses:
True
False
Vertical agriculture is not a reliable urban substitute, as it lacks many resources to implement, which makes implementation difficult in poorer countries.
is trueWhat is a vertical vegetable garden?The vertical garden is an agriculture concept for growing plants inside buildings or multi-story skyscrapers, often called farmscrapers, a term derived from the English skyscraper. In these buildings, which would function as large greenhouses, agriculture involves the use of technologies such as hydroponics to aid in plant growth. Some projects include the practice of livestock (especially poultry) on the lower floors.
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While vertical farming may be an urban substitute for expansive farmlands, there is no guarantee that it will be a dependable substitute for traditional farms. This is true.
What is vertical farming?Vertical farming is the method of growing crops in vertically stacked layers in a controlled environment. Vertical farming is utilized in urban places where there is limited space for crops to grow.
However, we cannot consider vertical farming to be a reliable substitute for traditional farms due to the high maintenance level and cost of vertical farming. It will be challenging to implement hydroponics and other plant-growth techniques on conventional farms.
As a result, vertical farming cannot be used in place of traditional farming.
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SpaceX founder and CEO Elon Musk is among many companies and of countries who is planning to establish a civilization on planet Mars, if given the chance to be part of the mission to be the first human on Mars will you consider spending the rest of your life in the planet? If yes, what will be your plans to establish a civilization on the planet? If no, what are your reasons to stay? Write your reflection in 3-4 sentences.
Answer:
No because life on mars would be very difficult as the gravity on mars is only one-third of on earth, it will cause cardiovascular diseases and bone loss so you will have to exercise a lot.
Explanation:
where can I identify the benefits associated using the various forms of energy?
Solar energy is an apparent infinite source of energy, which alleviates the pressures associated with raw materials searching. Given said that, solar energy could be conceived as the more parsimonious source of energy, as it is the motor of biological systems that gave rise to life as we know (that is, photosynthetic organisms). So, to sum up, it is "infinite", cheap, and easy to exploit (at least in tropical latitudes).
Which statement gives an advantage for a single-celled organism?
Does a bee have live birth 
Answer:
Yes
Explanation:
All insects do and ants do as well it shows when the baby ants go into their caves
You are conducting an experiment and create a stock solution. You then add 1 ml of the stock solution to 99 ml of water. What is the dilution of this sample? X = times more dilute)
A. 0.1x
B. 10x
C. 100x
D. 1000x
The dilution of 1 mL stock in 99 mL of water is a 100-fold dilution. Option C.
What is a 100-fold dilution?A 100-fold dilution is a dilution involving 1 part of the stock solution and 99 parts of diluting solvent.
A stock solution is a standard solution from which solutions of lower concentrations can be prepared by dilution.
Thus, when you take 1 mL of a stock solution and dilute it with 99 mL of water, you are carrying out a 100-fold dilution with water being the solvent used in dilution.
A 100-fold dilution is different from a 1000-fold. The latter requires 1 part of the stock solution in 999 parts of diluting solvent.
For 10-fold dilution, 1 part of the stock is taken and diluted with 99 parts of the diluting solvent.
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The image below shows plant cells. What feature of cells is best demonstrated in the image? A. Cells are formed from other cells within the same tissue. 1412 OB. All organisms are made up of a large number of cells. OC.. All organisms have cells with different shapes and functions. O D. Cells are the basic units of structure and make up tissues.
The feature of cells best demonstrated by the image is that all organisms have cells with different shapes and functions. Thus, option C is the correct answer.
According to the cell theory, a cell is the structural and functional core of every creature. All cells are derived from pre-existing cells that are already there. Schleiden and Schwann introduced the concept of the cell.
A great number of cells make up creatures, as demonstrated by the image in the question. Therefore, the organisms with a large number of cells are known as multicellular organisms. A living thing is made up of several sorts of cells. Also, the cells found in such organisms are of different shapes and sizes and have different functions. Cell along with other cells make up a tissue.
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When you touch a sharp object and cut yourself, your brain receives the pain messages from your hand and sends a signal back to your hand to pull away from the painful object. Those messages are sent to the hand using __________ neurons.
Question 12 options:
axial
efferent
afferent
sensory
Those messages are sent to the hand using sensory neurons.
Axons are long single fibers that carry messages from the cell body to the dendrites of other neurons or other body tissues such as muscle. In muscles, this electrical message causes them to contract or shorten. Think of catching a ball. The brain tells neurons to send electrical signals to the neuromuscular junction. This releases neurotransmitters into your finger muscles, which contract to catch the ball.
Motor neurons release chemicals that are taken up by muscle fibers. This causes the muscle fibers to contract and the muscle to move. Neurons carry messages from the brain through the spinal cord. These messages are sent to the muscles, directing muscle fibers to contract and causing the muscles to move. Neurons that are sending signals release chemicals called neurotransmitters. This chemical binds to receptors on the surface of receiving neurons.
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2. What are major determinants of local weather patterns?
What types of memories are related to experiences that are intense or surprising?
Question 3 options:
Flashbulb memories
Prospective memories
Shallow memories
Tactile memories
Flashbulb memories are the type of memories related to experiences that are intense or surprising.
Flashbulb memories are the long-lasting memories that have great effect on the emotional state of an individual. It is due to some learning or experience of a dramatic event. The memory can trigger enthusiasm or terror. For example, a college graduation, birth of child, or even some terror attack.
Memories are the type of data stored inside the brain about past events. A memory is the one that is acquires, stores, pertained for a very long time and is also retrieved as and when needed. Memories are retrieved by the reactivation of some specific neurons.
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Does anyone know this my kid is asking for help and it's been a while
Answer: Neither solid nor spotted fur would be possible
Explanation: This is because only the dominate striped fur gene is available in the gene pool (both animals have 2 dominant fur genes) therefore there is no where for a recessive gene to come from.
List and describe the substrates and products of TCA cycle
The TCA cycle's starting and stopping requirements include the acetyl group, oxaloacetic acid, coA, citric acid, and others.
What is the TCA cycle, and what makes up the TCA cycle?
Tricaboxylic acid (TCA), commonly known as Krebs cycle, requires acetyl coenzyme A and a particular quantity of water to begin.
An substantial amount of citric acid is produced during the initial reaction between water and acetyle coA.
A molecule of coA is released as a result of this process, which is catalysed by the enzyme citrate synthase.
The following stage is isomerization, in which a substrate is converted from citrate to isocitrate.
Following decarbocylation, alfa ketoglutaric acid is produced, and succinyl coA is then oxidised to OAA in TCA cycle.
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A man with cataracts and a lowered metabolic rate is likely in which stage of his life?
Question 9 options:
Late adulthood
Early adulthood
Adolescence
Middle adulthood
Answer:
Late adulthood
cataracts can be associated with aging and also diabetes
According to social-cognitive theory, if a woman sees that her friend improved her job performance by taking classes at a local college, she’s likely to try to take some classes to elevate her job skills too. What is this behavior called?
Question 11 options:
Learned cognition
Observational learning
Cognitive dissonance
Personal variables
According to the research, the correct option is Observational learning. According to social-cognitive theory, the woman's behavior is called observational learning.
What is observational learning?It is an indirect learning process in the social-cognitive theory that involves the social transmission of behavior by observing the behavior of others.
In this sense, it involves the acquisition, by the observer, of new responses and skills incorporating new patterns of behavior or skills, as well as the rules to develop new behaviors.
Therefore, we can conclude that observational learning describes the woman's behavior since by imitating her she learns a pattern that helps to elevate her job skills.
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how many cells there would be after a fourth cell cycle?
Explain why scientists say the earth has too little and too much ozone?
Some plant tissue is exposed to a concentrated solution, which causes the plant cells to lose water. As a result, the plant wilted.
State the scientific term used to describe the appearance of cells within the wilted plant tissue.
Your answer
Plasmolysis is the loss of water by plant cells after being placed in a solution with a higher concentration of solute than the cells. This is called a hypertonic solution. Osmosis causes water to flow from the cell into the surrounding liquid.
Plasmolysis is the process by which cells lose water in hypertonic solutions. When cells are in a hypotonic solution the reverse process cytolysis or cell lysis occurs resulting in a decrease in external osmotic pressure and a net flow of water into the cell. When plants are not watered the extracellular fluid becomes isotonic or hypertonic causing water to leave the plant cells.
This causes a loss of turgor pressure. You will probably notice it as a wilt. In more concentrated solutions cell contents lose water by osmosis. They contract and move away from the cell wall. Cells are limp It is cytolyzed. When a high concentration of salt is placed on the outside of the cell membrane water leaves and binds with the cell. As water is lost by this movement, the plant cells shrink and die. Because of this, salt can kill plants. It leaches water out of the cells.
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