Answer:
High blood pressure can damage your arteries by making them less elastic, which decreases the flow of blood and oxygen to your heart and leads to heart disease.
A student observes that a plant has droopy leaves and stems and infers
that the rate of photosynthesis has slowed in the plant. Which statement !
provides evidence to support the student's inference? *
The water pressure in the plant's vacuole is low, and without water, the chloroplasts
cannot convert carbon dioxide to glucose during photosynthesis.
O
The water pressure in the plant's ribosomes is low, and without water, the chloroplasts
cannot convert carbon dioxide to glucose during photosynthesis.
O
The water pressure in the plant's vacuole is low, and without water, the mitochondria
cannot convert carbon dioxide to glucose during photosynthesis.
The water pressure in the plant's ribosomes is low, and without water, the
mitochondria cannot convert carbon dioxide to glucose during photosynthesis.
With which cellular process are ribosomes directly involved?
1 point
Answer:the third one I guess
Explanation:
The rate of photosynthesis can slow down due to low water pressure in vacuoles and without water, the mitochondria cannot convert carbon dioxide to glucose during photosynthesis. So the correct option is C. The ribosomes are directly involved with the translation of mRNA to form proteins.
What is photosynthesis?Green plants and certain other creatures convert light into chemical energy through a process called photosynthesis. Light energy is gathered and utilized during photosynthesis in green plants to change the water, carbon dioxide, plus minerals into oxygen- and energy-rich organic molecules.
It is hard to overstate the role that photosynthesis plays in sustaining life on Earth. There would eventually be little food or other organic materials on Earth if photosynthesis stopped. The majority of life would vanish, and eventually, the atmosphere of Earth would contain almost no gaseous oxygen. Only chemosynthetic bacteria, which can use the chemical energy of certain inorganic substances and are not reliant on the conversion of light energy, would be able to survive in such an environment.
The fossil fuels (coal, oil, and gas) that drive modern society today were created by plants using energy from photosynthesis carried out millions of years ago. Green plants and tiny critters that fed on plants grew more rapidly in the past than they were eaten, and as a result, sedimentation as well as other geological processes buried their remnants in the Earth's crust.
Therefore, the correct option is C.
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Which of the following is the dependent variable from the last headache problem A: Presence of the headache B: The experimental drug C: The placebo D: The medical researcher
Answer:
fart
Explanation:
toot
Answer:
D
Explanation:
I got the right answer
The science department hypothesized that giving their students snacks would improve their performance in class. Upon reviewing the scores, they noticed that some students who usually have higher scores actually made lower scores on the weekly assessment. At this point, what should the teachers do?
A. Develop a new experiment
B. Analyze the data again
C. Revise their hypothesis
D. Conduct the experiment again
Which one of the organic molecules listed below has more energy stored in its bonds. Proteins Carbohydrates Lipids Nucleic Acids
Answer:
Lipids
Explanation:
Out of the four biological molecules in living systems (carbohydrate, lipids, proteins, nucleic acids), Carbohydrates and lipids have the ability to store energy in their chemical bonds. However, lipids/fats are primarily used by cells for long term storage of energy due to their ability to store more energy than any other organic biomolecule.
The high energy storing ability of lipids is attributed to the carbon bonds in their long fatty acid chain. They store energy in the covalent bonds that form between this carbon elements. The breaking down of one gram of a lipid yields 9 calories of energy, which is more than the 4 calories yielded by proteins and carbohydrates respectively
Answer:
lipids
Explanation:
i took the test
How does adhesion help explain how a sponge or paper towel cleans up spilled water?
Answer:
Adhesion is a property of water that allows it to stick to things. This is why you can clean up spilled water with a sponge or paper towel. The negative and positive charge in water's molecules are attracted to other things with a negative and positive charge.
hope this helps ߷
Among different properties of water, adhesions is a property which allow water to stick to things. Hence, during clean up by paper towel or any sponge can absorb that water molecule.
What are the properties of Water?Water is a chemical molecule having formula H2O where two hydrogen atoms covalently bonded to a single oxygen atom to form one molecule of water.
It is a colorless, odorless, tasteless fluid present in the condensed form due to extensive hydrogen bonds.
It has high melting, boiling points, higher specific heat, thermal conductivity, surface tension, dipole moment, etc.
It maintain the body temperature as it has a high latent heat of vaporization.
Water show acidic and basic behavior, involve in redox reaction and hydrolysis reaction.
As paper towel made up of cellulose sugar molecule, it help in absorption of water.
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What is the correct order of steps in the scientific method
Answer:
1-7
Explanation:
Step 7- Communicate. Present/share your results. Replicate.
Step 1- Question.
Step 2-Research.
Step 3-Hypothesis.
Step 4-Experiment.
Step 5-Observations.
Step 6-Results/Conclusion.
The correct order of steps in the scientific method is to ask questions, make a hypothesis, test the hypothesis, analyze results, draw conclusions, and communicate results. The correct option is a.
What are scientific methods?Through testing and experimentation, the scientific method establishes facts in an unbiased manner. Making an observation, formulating a hypothesis, making a prediction, carrying out an experiment, and then evaluating the findings are the fundamental steps.
The idea put up is that if scientific methods are applied, the bean plant may grow anyplace. Putting the theory into practice and gathering data The same dirt is used to plant four bean plants in similar pots.
Therefore, the correct option is a. Make a hypothesis, test it, then explain the outcomes after analyzing the data and drawing conclusions.
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The question is incomplete. Your most probably complete question is given below:
Ask questions, make a hypothesis, test the hypothesis, analyze results, draw conclusions, and communicate results.
Make a hypothesis, test the hypothesis, analyze the results, ask a question, draw conclusions, and communicate results.
Ask a question, make a hypothesis, test the hypothesis, draw conclusions, analyze results, and communicate results.
Ask a question, analyze results, make a hypothesis, test the hypothesis, draw conclusions, and communicate results.
"Cystic fibrosis is a genetic disorder. Define what a genetic disorder is? Can you name two other genetic disorders?"
Answer:
A genetic disorder is a disease that is caused by the change in the sequence of DNA. Down Syndrom and Huntington disease are two examples of genetic disorders.
Explanation:
A genetic disorder is a change in the sequence of the DNA that results in a disease or condition. These disorders are caused by the mutation of one or multiple genes, by damage in chromosomes, or by environmental factors.
Down syndrome is a known genetic disorder where there is an extra copy of chromosome 21 instead of the two copies. People with Down Syndrom have intellectual difficulties and a different physical complexion that can lead to some problems.
Huntington disease is a genetic disorder that causes the degeneration of neurons, which brings emotional, cognitive, and movement problems that worsen with time since it is a progressive disease.
Which of the following are benefits of sexual reproduction?
A. Populations of asexual females reproduce twice as fast as populations of composed of males and females.
B. Sexual reproduction breaks up combinations of favorable alleles.
C. Sexual reproduction hastens adaptive evolution.
D. Sexual reproduction purges alleles with negative fitness consequences.
E. Sexual reproduction is way more fun than asexual reproduction.
F. Sexual reproduction creates variability in hosts to counteract the much faster evolution in parasites.
G. Courting requires energy and time that could otherwise be spent gathering resources for survival.
Answer:
c
Explanation:
cause
What combination of sex chromosomes is shown in the image?
o
Please help a boi out ;-;
Which of the following is a structure that has characteristics supporting the idea that the reason
for eukaryotic complexity is due to the fact the primitive eukaryotes ingested free-living bacteria
that then lived inside the cell in a symbiotic relationship?
Select one:
a. DNA
O b. RNA
c. mitochondria
O d. ribosome
Check
Answer:
the mitochondria
Explanation:
endosymbiotic theory is prevalent here.
DNA, RNA, and Ribosomes are also all present in all life.
DNA- genetic material! obviously all present
RNA- a single strand of genetic information to go into the ribosome to make proteins
ribosome; the thing that makes proteins!
The mitochondria is an organized organelle, unlike everything else on this list, which is not present in prokaryotes but eukaryotes.
The following is an example of what type of figurative language?
The dog was a rocket.
simile
O metaphor
irony
idiom
Metaphor because you are comparing the dog and the rocket without using words "as" or "like", hence option A is correct.
What type of figurative language is a metaphor?A metaphor is similar to a simile when comparing two different things, unlike the simile metaphor does not use the words like or as.
A type of figurative language is a word or expression which means something different from its literal definition. A metaphor substitutes a word or phrase with one that makes an explanation with an image. On the other hand, the simile is also a type of figurative language that compare two different things but uses "as" or "like".
Therefore, comparing the dog and the rocket without using the words "as" or "like", hence option A is correct.
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what is a independent varible
Answer:
here
Explanation:
a variable (often denoted by x ) whose variation does not depend on that of another.
Photosynthesis is possible only in the stems. True False
Answer:
false
Explanation:
it happens in the whole plant
Answer:
False
Explanation:
It occurs in all parts of the plant except root hair cells.
What is the effect of an enzyme has On the energy of a chemical reaction
Answer:
Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.
You are studying to become a doctor and must explain to a patient about mutations. She would like to
know how they happen. Which of the following can you tell her does NOT cause them?
.
.
O A. Exposure to UV radiation
O B. Standing in front of a microwave while it's on
O C. Exposure to certain chemicals
.
O D. Errors during DNA replication
Answer:
A.Exposure to UV radiation
Explanation:
The one that does not cause mutation in the patient is exposure to UV radiation. The correct option is A.
What is mutation?A mutation is an alteration in an individual's DNA sequence. Mutations can be the outcome of errors in DNA replication all through cell division, mutagen exposure, or viral infection.
Mutagens are environmental factors that cause mutations. Mutagens can be radiation, chemical products, or infectious agents. Mutations can occur spontaneously in nature.
UV rays can lead to premature skin aging and sun damage symptoms such as wrinkles, leathery skin, liver spots, actinic keratosis, and solar elastosis.
Thus, the correct option is A.
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Following a scientific method, which of the following is the correct order of steps?
A. Observation → Analysis → Hypothesis → Conclusion → Communicate results → Experiment
B. Observation → Hypothesis → Experiment → Analysis → Conclusion → Communicate results
C. Experiment → Hypothesis → Observation → Analysis → Conclusion → Communicate results
D. Observation → Hypothesis → Experiment → Communicate results → Analysis → Conclusion
Answer:
B. Observation → Hypothesis → Experiment → Analysis → Conclusion → Communicate results
Explanation:
In a scientific method the order of sequence of activities include observing a phenomenon and making an hypothesis which contains why the scientists thinks such phenomenon occurs.
The Scientists then performs series of experiments to try to verify and prove his hypothesis. The results of the experiments are then analyzed and a conclusion is drawn. The results are then communicated to other people to lay claim of the work done and to enlighten other people.
The correct answer
??
Answer:
the one you have selected looks right
You are trying to determine information about the structure of a protein that you have purified. You carry out a series of experiments on this protein. The results are listed below.
1. Size exclusion (aka gel filtration) chromatography of the protein indicates an apparent molecular weight of 240,000 kDa.
2. SDS polyacrylamide gel electrophoresis of the protein carried out WITHOUT the addition of a disulfide-bond reducing agent shows the protein as having an apparent molecular weight of 60,000 kDa.
3. After treatment with performic acid, which cleaves disulfide bonds, the same technique (SDS PAGE) reveals two bands of molecular weights 34,000 kDa and 26,000 kDa.
4. N-terminus identification shows Ala and Leu as amino terminal residues, in equal amounts.
Describe what you can determine about the protein's structure from the above information by answering the questions below.
a. Molecular weight of the native functional protein.
b. Does the protein contain any disulfide bonds? If yes, can you estimate how many ?
c. Can you determine anything about any secondary structure of the protein? If yes, what?
d. Does the protein have quaternary structure? If yes, how many subunits, of what size?
Answer:
if I am not draw molecular weight of the directive functional protein is your answer give thanks to me
A researcher removes all of the mitochondria from a cell. This would likely result in the cells inability to use which of the following molecules
A. The amino acid glycine
B. The nitrogenous base uracil
C. Oxygen
D. Carbon dioxide
I think it’s oxygen but I’m not sure.
Answer:
C. Oxygen
Explanation:
Mitochondria are membrane-bound organelles found in the eukaryotic cells. They are regarded as the "power house" of a cell because of the vital role they play in the synthesis of energy needed to drive an organism's cellular activities. Their role in production of energy (in form of ATP) comes from the cellular respiration that occurs in them.
The kreb's cycle and oxidative phosphorylation of aerobic cellular respiration occurs in the mitochondria. As the name "aerobic" implies, oxygen is strictly involved in the process of respiration occuring in the mitochondria. Hence, if researcher removes all of the mitochondria from a cell, the cell will be unable to use OXYGEN, which is necessary for the cellular respiration in the mitochondria.
Answer:
C. Oxygen
Explanation:
Just took the quiz
in comparison to eukaryotic cells most prokaryotic cells are very
Answer:
?
Explanation:
Could you add more explanation I think I could help but I don't know exactly what you're asking?
Describe carrying capacity
The tentacles of an octopus and the limbs of a lizard perform the same function but have a different evolutionary lineage. Therefore, they are . The front legs of a cat and the arms of a human share a bone structure that suggests a common evolutionary lineage. Therefore, these skeletal structures are .
Answer:
1. Analogous
2. Homologous
Explanation:
The tentacles of an octopus and the limbs of a lizard perform the same function but have a different evolutionary lineage. Therefore, they are Analogous.
Analogous features/parts comparison are usually associated with the same functions but a different evolutionary lineage.
The front legs of a cat and the arms of a human share a bone structure that suggests a common evolutionary lineage. Therefore, these skeletal structures are homologous.
Homologous on the other hand involves having a common evolutionary lineage as a result of certain unique characteristics.
Answer:
1. Analogous
2. Homologous
Explanation:
I just took the test.
Biological influences on body weight include genetics (such as the FTO-associated gene), metabolic factors (such as low levels of thyroid hormone), and physiologic factors (such as abnormal levels of various appetite-regulating hormones). From the list below, choose all the correct statements about biological influences on body weight.
a. Obesity is associated with lower amounts of UCP1.
b. The thrifty gene theory suggests that people with this gene universally expend more energy compared to those without the gene.
c. The set-point theory suggests that the body responds to both energy restriction and overeating with physiological changes to maintain its weight within a narrow range.
d. Genetic factors account for 20 to 50% of a person’s BMI.
e. People who have the fat mass and obesity (FTO)-associated gene are generally heavier than those without the gene.
Answer:
a. Obesity is associated with lower amounts of UCP1.
c. The set-point theory suggests that the body responds to both energy restriction and overeating with physiological changes to maintain its weight within a narrow range.
Explanation:
Correct statements:
a. Obesity has been associated with a low expression of the UCP-1 gene in the brown adipose tissue. For example, in transgenic mice, it has been shown that the overexpression of the UCP1 gene is associated with the stimulation of fatty acid oxidation.
c. The set point theory indicates that the human body has a preconfigured weight which is based on information contained in the genome. In consequence, the set point theory states that fluctuations in weight are limited, where there are people that have higher weight set points compared to other persons, and inherent natural mechanisms in the body try to maintain within these ranges.
Incorrect statements:
- Genetic factors account for 50-80% of the body mass index (BMI). The remaining value is due to environmental factors and the interaction between a genotype and the environment.
- The Fat mass and obesity-associated gene (FTO) is a gene located on chromosome 16 which encodes for the alpha-ketoglutarate-dependent dioxygenase enzyme. Although it has been suggested that some allelic variants of this gene are associated with obesity, this gene is always expressed (i.e., constitutively expressed) in the hypothalamus, where its expression is linked to the food intake.
- The 'thrifty gene' theory states that gene variants (alleles) evolved to favor a more efficient use of nutrients, thereby promoting diseases associated with an excess of calories such as obesity and type 2 diabetes.
The correct statements about biological influences on body weight include:
Obesity is associated with lower amounts of UCP1.The set-point theory suggests that the body responds to both energy restriction and overeating with physiological changes to maintain its weight within a narrow range.People who have the fat mass and obesity (FTO)-associated gene are generally heavier than those without the gene.It should be noted that there are biological influences that affect the weight of a person.
The individuals who have the fat mass and obesity (FTO)-associated gene are generally heavier than those without the gene. Also, obesity is associated with lower amounts of UCP1.
In conclusion, the correct options are A, C, and E.
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solve 3x-8=-2 then once you find the value of x, substituted it into x-6
x=2, so 2-6=4.
If this wasn't the answer you were looking for, let me know and I can help you.
If someone in college has their major in nutrition and chemistry from what you eat, then they are studying...
Answer:
Food Engineering
Explanation:
It is also known as food engineering, where the nutritional degree of food, its chemical components, its formation and production, its conservation and the industrial methods involved in marketing it are studied.
According to the instruction manual analogy, how many new volumes would each new cell contain whenever a cell splits? Write your answer in the space below.
Answer:
Same volume as the cell it is divided from.
Explanation:
The particular volume will be diverse for different sorts of cells. The best answer would be that the new cell will essentially have a similar volume as the one that it formed or divided from. This is valid for most eukaryotic cells except if different variables like mutations or epigenetics condition.
Increasing volume of the cell and now likewise associated with cell division would be during the two phases G1 and G2 in the cell cycle. This is the development period of the cell preparing for division. No matter what are the condition other than mention above if mitosis or division occurs, the cells will ordinarily end with a similar volume as when it began.
PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!! I'M REALLY BEHIND ON MY ASSIGNMENTS, AND NEED THE CORRECT ANSWER.
Answer:
third pic on right is cleavage and other two r fracture
A student does an experiment for a science fair to study whether temperature affects the timing of a cricket’s chirps. The student keeps a cricket in an enclosed box that is heated to different temperatures each day for twelve days. The student records the cricket’s chirps by using a sound-activated microphone so that the timing of the chirps can be measured. The student records the results of the experiment in the table below.
Answer:The timing of the cricket's depends on the temperature of the box
so the answer should be
timing of the cricket's chirps
Explanation:Hi!
There are a few types of variables in these types of experiments. They are independent, dependent, and controlled.
The independent is the one changed by the scientist, or in this case, the temperature. The controlled is the things that remain constant through every case, and the dependent is what is being observed, seeing if it changes through the altercation of the independent variable.
In this case, what is being observed is the timing of a cricket's chirps, because it is being watched whether or not temperature affects it.
Therefore, your answer is the third choice, or the timing of the cricket's chirps.
Hope this helped!
Answer:
c
Explanation:
i took test 2022
Why are they so many types of matter
In 1953, the Miller-Urey experiment showed that, under conditions similar to Earth’s early atmosphere, organic compounds could be formed from atmospheric gases. The results of this experiment are considered to support which of the following ideas about the origin of life on Earth?
Answer:
that lightning sparked chemical reactions in Earth's early atmosphere. The early atmosphere contained gases such as ammonia, methane, water vapor, and carbon dioxide. Scientists hypothesize