Answer:
C: Conditioned stimulus
Explanation:
Ur welcome
Brainliest please
A conditioned stimulus is an external stimulus that eventually results in an external response. In the experiment described, the conditioned stimulus was the ringing of the bell, and the conditioned response was salivation.
What are the different role of Conditioned stimulus?The conditioned stimulus (CS), in the language of the classical conditioning paradigm, is a learnt stimulus that may eventually cause a conditioned response.
For instance, in Pavlov's experiment, the sound of a bell serves as the conditioned stimulus, while the salivating of the dog serves as the conditioned response.
A substitute stimulus known as a conditioned stimulus causes an organism to react in the same way that an unconditioned stimulus does.
Therefore, Simply explained, a conditioned stimulus is something that an organism responds to because it is connected to another event.
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Which combinations of DNA could be present in a transgenic organism?
1. invertebrate animal DNA in mammal DNA
2. prokaryotic DNA in plant DNA
3. plant DNA in animal DNA
A) 2 only
B) 1 and 2 only
C) 1 and 3 only
D) 2 and 3 only
E) 1, 2 and 3
The correct option is D) 2 and 3 only
2. prokaryotic DNA in plant DNA
3. plant DNA in animal DNA
What is a transgenic organism?Transgenic refers to an organism or cell whose genome has lived changed by the introduction of one or more additional foreign DNA series from another species by synthetic means. Transgenic organisms are generated in the laboratory for analysis purposes.
Transgenic has been used in genetic investigations for an extended time. They were used to indicate that DNA is the molecule that carries the genetic code and that oncogenes can induce cancer. Transgenic animals have been generated to comprehend normal physiological processes such as metabolism and blood cell presentation. Transgenic animals have lived operated to model human diseases and to create new treatments. Transgenic crops include been produced that stand resistant to communicable diseases and grow faster.To learn more about the transgenic organisms, refer to:
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compares and contrasts transformation, transduction, and conjugation
Answer:
In transformation, a bacterium takes up a piece of DNA floating in its environment. In transduction, DNA is accidentally moved from one bacterium to another by a virus. In conjugation, DNA is transferred between bacteria through a tube between cells.
Explanation:
Read each question carefully, and answer yes or no to each one. At the end of each section, follow the directions to score your answers (pay close attention as the directions for scoring may change for each section). After you complete the entire assessment, total the points from all seven sections. This will give you a total health score. The higher the score, the more healthy your lifestyle. If you feel you have a low score, look back through the assessment and identify areas where you can change your unhealthy habits, and explain what changes you would make and why. Write your assessment in the essay box below.
Section 1: Physical Fitness
Section 2: Family History
Section 3: Hygiene and Medical Care
Section 4: Nutrition
Section 5: Drug Use
Section 6: Safety
Section 7: Emotional and Social Health
Total Health Score: ____
Answer:
Section 1: Physical Fitness
Do you exercise or play a sport for at least 30 minutes three or more times a week? Yes
Do you stretch before and after exercising? No
Do you warm up before exercising and cool down afterward? No
Do you think that you are at a healthy weight? Yes
Are you mostly happy with the way your body looks and feels? Yes
Do you think you have enough energy? Yes
Give yourself one point for each No response and two points for each Yes response. Section score: _10___
Section 2: Family History
Do you have a family member who:
has high blood pressure? Yes
has diabetes? Yes
has heart disease? No
has cancer? Yes
is extremely overweight? No
Give yourself one point for each Yes response and two points for each No response. Section score: ___7_
Section 3: Hygiene and Medical Care
Do you floss your teeth every day? Yes
Do you brush your teeth at least twice a day? Yes
Do you visit the dentist at least once a year? Yes
Do you use sunscreen? No
Do you know basic first aid? Yes
Are all your immunizations current? Yes
Do you get your vision and hearing checked each year? Yes
Do you see the doctor for a check-up once each year? Yes
Do you feel you get enough sleep at night? Yes
Do you know the warning signs for cancer? No
Give yourself one point for each No response and two points for each Yes response. Section score: _18___
Section 4: Nutrition
Do you eat a lot of red meat or eggs? No
Do you add salt to your food? Yes
Do you add sugar to your food? Yes
Do you eat a lot of high-fat or high-sugar foods? Yes
Do you add butter or cheese to your food? Yes
Do you choose fried foods more often than baked or broiled foods? Yes
Do you drink caffeinated drinks, such as coffee or sodas? Yes
Do you skip meals? No
Give yourself one point for each Yes response and two points for each No response. Section score: _10___
Section 5: Drug Use
Do you smoke or chew tobacco? No
Do you drink alcohol? No
Have you ever used marijuana or other illegal drugs? No
Have you ever abused a prescription drug? No
Give yourself zero points for each Yes response and two points for each No response. Section score: __8__
Section 6: Safety
Have you ever ridden with drivers who were under the influence of alcohol or drugs? No
Have you ever ridden with drivers who speed or disobey traffic laws?no
Do you ever forget to wear your seat belt? No
Do you ever forget to wear a helmet when riding a bike or skateboarding? No
Do you ever play with matches or hazardous materials? No
Is there a gun in your house? No
Give yourself zero points for each Yes response and two points for each No response. Section score: __12__
Section 7: Emotional and Social Health
Do you have hobbies or activities that you enjoy? Yes
Do you give your best effort when doing your work? Yes
Do you find it easy to laugh? Yes
Do you express anger in an appropriate way? Yes
Do you easily fall asleep at night? Yes
Do you share personal problems with someone you trust? Yes
Do you feel well-liked by others? Yes
Do you have someone you can turn to if you need help? Yes
Are your family members and close friends in good health? Yes
Are you generally happy? Yes
Give yourself one point for each No response and two points for each Yes response. Section score: _20___
Total Health Score: __85__
This is mine so it's not going to be accurate for you but please can I get a brainliest.
What is it called when pairs of homologous chromosomes fail to SEPARATE normally
during MEIOSIS.
Answer: Nondisjunction occurs when homologous chromosomes or sister chromatids fail to separate during meiosis, resulting in an abnormal chromosome number. Nondisjunction may occur during meiosis I or meiosis II.
Explanation:
2 cells will have the normal haploid number of chromosomes. Additionally, one cell will have an extra chromosome and one will be missing a chromosome
What is the role of the EPA in water purification?
It provides guidelines to implement cleaning projects.
It forms laws and rules.
It deploys personnel for water purification.
It finds sources of freshwater.
15. What's the requirement of every single natural process on Earth?
O A. Oil
O B. Trees
O C. Sunlight
O D. Energy source
O Mark for review (Will be highlighted on the review page)
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Which of the following is associated with schizophrenia?
Reduced fluid-filled sacs
Less gray matter
More brain tissue
"Normal" brain chemistry
Less gray matter is associated with schizophrenia and is denoted as option B.
What is Grey matter?These are usually darker tissues which are found in the brain and spinal cord. They contain a rich network of neurons present.
This is therefore the reason why schizophrenia is associated with mental health.
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Answer:
B. Less gray matter.
Explanation:
Took the test and got it right.
Have a nice day!
1. a) Two nerve cells are shown below. In the drawing, label an axon, a dendrite, and a nucleus. Also
indicate where a
neurotransmitter would act. (4 points)
A nerve cell consists of a cell body or soma, a main fiber (axon) and many small branches (dendrites).
What is a neuron?A neuron or nerve cell forms the basic unit of brain and nervous system.These cells receive stimulus from the external world, relay the information to brain and help to generate a response.The neurons communicate with each other via special connections called synapses where they release neurotransmitter.A typical neuron consists of a cell body (soma), dendrites (brings information), and a single axon (send information away from neurons).The dendrites and axon branch out from the cell body.Cell body contains nucleus and specialized organelles.At the tip of axon are axon terminals where neurotransmitters are released to transmit signal across the synapse to other cell.Learn more about nerve cell here:
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How are coral reefs similar to tropical rainforests? Both are home to just a few types of rare animals. Both can easily be restored if they are destroyed. Both support a huge quantity and variety of organisms. Both are found in all types of climates around the world.
Answer:
c
Explanation:
Answer:
its C
Explanation:
i took the test on edge 2021
You have successfully engineered E. coli to make human insulin by adding a transgene that has an E. coli promoter and the coding sequence of human insulin. You try to generate a new strain that would make a lot more insulin by making one with 10 copies of the transgene. Although your genetic engineering is successful, your new strain doesn't make much more insulin. What do you think could have gone wrong
Answer:are you asking a question?
Explanation:
Newton's 2nd Law is F= ma. Write a problem that gives the mass and the acceleration of an object and asks us to find the force.
Answer:
An object having a mass of 20kg is pushed by John and it then accelerates down the inclined plane at a rate of 0.5m/s². Find the force applied on the object.
Explanation:
Newton's Second Law of Motion states that the acceleration of a physical object is directly proportional to the net force acting on the physical object and inversely proportional to its mass.
For example, an object having a mass of 20kg is pushed by John and it then accelerates down the inclined plane at a rate of 0.5m/s². Find the force applied on the object.
Given the following data;
Mass = 20kg
Acceleration = 0.5m/s²
To find the force;
Force = mass * acceleration
Substituting into the equation, we have;
Force = 20 * 0.5
Force = 10 Newton.
The process of creating an mRNA strand from one side of DNA is called:
A. Protein synthesis
B. Transcription
C. DNA replication
D. Translation
Answer:
It is TRANSCRIPTION option (b)
What is the identity of the planets?
A:
B:
C:
D:
Answer:
Explanation:
Distance from Sun (km)
778,600,000
4,495,100,000
1,433,500,000
2,872,500,000
Answer:
A: Jupiter
B: Neptune
C: Saturn
D: Uranus
Explanation:
Hope this helps! Have a great day!! ❤
Use the forked-line method to solve this problem (SHOW YOUR WORK): In cucumbers, there are 3 genetic traits, as follows: dull fruit is dominant to glossy fruit orange fruit color is dominant to cream fruit color bitter cotyledons are dominant to nonbitter cotyledons You cross a plant that is heterozygous for all 3 genes to another plant that is heterozygous for dull fruit but has cream fruit color and nonbitter cotyledons. Among the next generation, what proportion of the offspring will be a) dull, orange, bitter b) glossy, cream, nonbitter c) heterozygous for all 3 genes (HINT: it's not the same answer as a) above
Answer:
a) dull, orange, bitter ----> 3/16 D- Oo Bb
b) glossy, cream, nonbitter ---> 1/16 dd oo bb
c) heterozygous for all 3 genes ---> 2/16 Dd Oo Bb
Explanation:
Available data:
dull fruit (D-) is dominant to glossy fruit (dd)orange fruit color (O-) is dominant to cream fruit color (oo)bitter cotyledons (B-) are dominant to non-bitter cotyledons (bb)Cross: a plant heterozygous for all 3 genes with a plant that is heterozygous for dull fruit but has cream fruit color and non-bitter cotyledons.Parentals) Dd Oo Bb x Dd oo bb
To get the proportions of the offspring using the forked-line method, we must analyze each gene separately.
D gene:
Parentals) Dd x Dd
Gametes ) D d D d
Punnett square) D d
D DD Dd
d dD dd
F1) 1/4 DD
2/4 Dd
1/4 dd
O gene:
Parentals) Oo x oo
Gametes) O o o o
Punnett square) O o
o Oo oo
o Oo oo
F1) 1/2 Oo
1/2 oo
B gene:
Parentals) Bb x bb
Gametes) B b b b
Punnett square) B b
b Bb bb
b Bb bb
F1) 1/2 Bb
1/2 bb
What proportion of the offspring will be
a) dull, orange, bitter
(1/4 DD + 2/4 Dd) x 1/2 Oo x 1/2 Bb = 3/4 D- x 1/2 Oo x 1/2 Bb
3/16 D- Oo Bb
b) glossy, cream, nonbitter
1/4 dd x 1/2 oo x 1/2 bb
1/16 dd oo bb
c) heterozygous for all 3 genes
2/4 Dd x 1/2 Oo x 1/2 Bb
2/16 Dd Oo Bb
Every plant has structures that function to help the plants survive. How does phototropism help a plant to survive.
A. The plant grows toward the sun so that its leaves can better make food.
B. It helps the plant leaves to eat the roots
C. It helps the plant drink nutrients
D. It helps the roots grow down to the dirt.
Answer:
A
Explanation:
more light energy means more photosynthesis = more food for the plant
Maintaining blood glucose levels is an important homeostatic activity of the body, not specifically because every cell of the body must have glucose but primarily because the brain relies on glucose for its metabolism.
a. True
b. False
Answer:
a. True.
Explanation:
Even though the cells in our body rely on glucose as a source of energy, they can replace glucose's energy with lipids or proteins' energy. In the brain's case, this is not possible since the blood-brain barrier, which is a highly selective barrier between the blood and the extracellular fluid in the central nervous system, allows the passage of glucose as the only source of energy. This is why maintaining the correct levels of glucose is crucial for the metabolism in the brain.
In comparing the behavior of a 10,000 and 45,000 molecular weight protein using sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) and gel filtration column chromatography, which of the following statements is most likely to be true. Assume other proteins are single polypeptide chains with no disulfide bonds.
a. The smaller protein will migrate (move) faster relative to the larger protein in SDS-PAGE but slower in gel filtration.
b. The smaller protein will migrate (move) slower relative to the larger protein in both SDS-PAGE and gel filtration
c. The smaller protein will migrate (move) faster relative to the larger protein in both SDS-PAGE and gel filtration
d. The smaller protein will migrate slower (move) relative to the larger protein in SDS-PAGE but faster in gel filtration
Answer:
a. The smaller protein will migrate (move) faster relative to the larger protein in SDS-PAGE but slower in gel filtration.
Explanation:
Gel filtration chromatography is a technique of chromatography in which particles facilitate separation based on molecular size. The larger protein come out of the column and form gel permeation chromatograph. The smaller proteins move faster to migrate from the column.
Give one function for this structure
We are very happy to let you know that one function of the structure labelled from the image given here is that:
It is used for se- x -ual intercourse
In addition to the function above, the structure is also used for urination. That is, it used to pass out urine from the body
The structure is s it the pe- nis ( the male reproductive organ )
What is reproduction?Reproduction is one of the characteristics of living organisms which involves the giving birth to the young ones alive or reproduction of new offsprings
So therefore, we are very happy once again to let you know that one function of the structure labelled from the image given here is that:
It is used for se- x-ual intercourse
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In some bunnies, the gene for fur color is controlled by condominance. The allele for gray color is G and the allele white color is W. The heterozygous phenotype results in a gray and white bunny/ What is the genotype for gray bunnies? what is the genotype for white bunnies? what is the genotype for gray and white bunnies?
Answer:
Genotype gray bunnies: GG
Genotype white bunnies: WW
Genotype gray and white bunnies: GW
Explanation:
In diploid species (2n), organisms receive one gene copy (allele) from each parent. Codominance is a relationship that occurs when both alleles of the same gene show dominance. In consequence, the expression of both alleles in heterozygous individuals results in a new phenotype. In this example, the expression of G and W alleles results in a gray and white phenotype. Examples of codominance include individuals with type AB blood group in humans or the roan coat color in horses.
Answer:
Genotype gray bunnies: GG
Genotype white bunnies: WW
Genotype gray and white bunnies: GW
Explanation:
In diploid species (2n), organisms receive one gene copy (allele) from each parent. Codominance is a relationship that occurs when both alleles of the same gene show dominance. In consequence, the expression of both alleles in heterozygous individuals results in a new phenotype. In this example, the expression of G and W alleles results in a gray and white phenotype. Examples of codominance include individuals with type AB blood group in humans or the roan coat color in horses.
What are examples of carbohydrates rich foods
Answer:
Which Foods Have Carbs?
Dairy. Milk, yogurt, and ice cream.
Fruit. Whole fruit and fruit juice.
Grains. Bread, rice, crackers, and cereal.
Legumes. Beans and other plant-based proteins.
Starchy Vegetables. Potatoes and corn.
Sugary Sweets. Limit these! Soda, candy, cookies, and other desserts.
Examples of carbohydrate-rich foods include bread, pasta, rice, potatoes, fruits, sugary snacks, and sweets.
What are carbohydrates rich foods?Carbohydrates are one of the three main macronutrients found in food and are a primary source of energy for the body. Carbohydrates can be found in many different foods, including:
Grains: bread, pasta, rice, cereal, oatmeal, etc.Starchy vegetables: potatoes, sweet potatoes, corn, etc.Fruits: apples, bananas, grapes, oranges, etc.Sugary snacks and sweets: candy, cakes, cookies, soda, etc.It is important to note that not all carbohydrates are created equal. Simple carbohydrates, such as those found in sugary snacks and sweets, can cause spikes in blood sugar levels and can lead to weight gain if consumed in excess. On the other hand, complex carbohydrates, such as those found in whole grains and starchy vegetables, are a more slowly digested form of energy and are a healthier option for providing energy for the body.
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What process has increased pollutants and carbon dioxide in the atmosphere? geothermal heat
production hydroelectric
power production
using biomass fuels
burning fossil fuels
Burning fossil fuels has increased pollutants and carbon dioxide in the atmosphere.
What consequences do fossil fuel burning have on the environment?
Carbon dioxide, water, and energy are produced when fossil fuels are burned; this process is referred to as "combustion".
Burning fossil fuels like coal and oil has increased the amount of carbon dioxide in the atmosphere during the past century (CO2). This rise is brought on by the burning of coal or oil, which produces CO2 when airborne carbon and oxygen mix. When fossil fuels are burned, nitrogen oxides are released into the atmosphere and help to create smog and acid rain. Nitrogen oxides are the collective name for the most prevalent nitrogen-related substances released into the atmosphere as a result of human activity.
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Decrease in a person's life span is an example of ____
A. Adverse health effects
B. Hazard
C. Incidents
D. Risk
Answer: D. Occupational health and safety
MARK ME BRAINLIST
If a koala bear has sixteen pairs of chromosomes, what are the possible
combinations of genes that will be represented?
Answer:
Explanation:
All vombatid species have 2n = 14 chromosomes; the koala has 2n = 16, which G-banding studies suggest is derivable from a wombat-like karyotype by means of a simple centric fission in the equivalent of the submetacentric wombat second autosomal element
mike is studying the phylogenetic tree for big cats. He made several statements about the tree. which statement is not true
Answer:
D. The leopard is more closely related to the tiger than to the snow leopard.
Explanation:
Leopards are more related to snow leopards than tigers.
Brainliest, please :)
The sum of all chemical reactions that occur in an organism is
Answer:
It is called metabolism.
How do DNA and mRNA vaccines produce spike proteins ? Drag each item into the correct category.
1. mRNA
______________________
2. DNA
_______________________
3. Both
_____________________
A. Has an artificial membrane to allow it into the human cell
B.completes the translation process to create spike proteins that mimic SARS-CoV-2 spike proteins
C.Is brought into a cell through an inactivated adenovirus
D.completes transcription prior to translation
DNA and mRNA vaccines produce spike proteins by completing the translation process to create spike one or more long mRNA will enter the muscle cells to create spike protein
mRNA uses muscles cells to produce spike proteinsThe DNA is recognized by the host's cell which produces the proteins Both uses cells to produce proteinsWhat are proteins?Proteins simply refers to those class of
any of a class of nitrogenous organic compounds which have large molecules composed of chains of amino acids
So therefore, DNA and mRNA vaccines produce spike proteins by completing the translation process to create spike one or more long mRNA will enter the muscle cells to create spike protein
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Using the strand mRNA below along with either of the codon charts, place the amino acids in the correct order.
Strand mRNA & codón chart: photo 2&3
1?
2?
3?
4?
5?
6?
7?
8?
9?
10?
Codons are triplets of nucleotides found on mRNA which code for particular amino acids .
What are codons?Codons are triplets of nucleotides found on mRNA which code for particular amino acids.
In an mRNA, strands, the first three codons, AUG code for the amino acid methionine.
Similarly, the codons GCA codes for alanine, CCA codes for proline.
In conclusion, given an mRNA strand, the amino acids coded by the codons can be deduced.
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function of mitochondria???
Answer:
Powerhouse of the cell, creates ATP (energy for the cell).
Explanation:
2. How is modeling useful to scientists?
Answer:
scientific modeling, the generation of a physical, conceptual, or mathematical representation of a real phenomenon that is difficult to observe directly. Scientific models are used to explain and predict the behaviour of real objects or systems and are used in a variety of scientific disciplines, ranging from physics and chemistry to ecology and the Earth sciences.
Carrying capacity is the
population size of
the species that the environment
can sustain indefinitely, given
environmental necessities.
A. minimum
B. median
C. mean
D. maximum
Answer:
C. Mean
Explanation:
sir / ma your question isn't clear. That aside.
to know how population size of species affect the sustainability we find the mean carrying size(just a guess)