Answer:
natural factors, changes in the sun, emissions from volcanoes, variations in Earth's orbit and levels of carbon dioxide.
Explanation:
Chemically speaking, enzymes are composed of chains of _________________, and they are considered to be a type of__________________.
Answer:
chains of amino acid;
type of protein
*
How many copies of DNA are made when replication is complete?
14 points
O A4
B3
C2
D 1
Besides helping to discover the structure of DNA, describe two other contributions Rosalind Franklin made to the world of science.
Answer: Rosalind Franklin discovered the density of DNA and, more importantly, established that the molecule existed in a helical conformation. Her work to make clearer X-ray patterns of DNA molecules laid the foundation for James Watson and Francis Crick's suggestion that DNA is a double-helix polymer in 1953.
Explanation:
Rosalind Franklin made numerous contributions to science in addition to helping to discover the structure of DNA, and in the field of virology, in coal-based materials, by using X-ray crystallography, in agriculture, etc.
What is the contribution of Rosalind Franklin?She was one of the greatest scientists who made significant contributions to the field of DNA by using X-ray crystallography, and apart from that, she also made contributions to the field of virology. As X-ray diffraction facilitates the study of the structure of viruses such as the tobacco mosaic virus and the polio virus and helps in understanding the replication of viruses, it is also helpful in the study of the structure of coal and other carbon-based materials.
Hence, Rosalind Franklin made numerous contributions to science in addition to helping to discover the structure of DNA, and in the field of virology, in coal-based materials, by using X-ray crystallography, in agriculture, etc.
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Which of the following statements is true of both binary fission and mitosis?
a.) They both produce four daughter cells with one set of chromosomes.
b.) They both produce two daughter cells with complete DNA.
c.) They both are used primarily for asexual reproduction.
d.) They both involve the division of a single nucleus.
Answer:
i think c is the right answer
Answer: B
Explanation:
Please help me with #6 please
Answer:
The sodium-potassium pump system moves sodium and potassium ions against large concentration gradients. It moves two potassium ions into the cell where potassium levels are high, and pumps three sodium ions out of the cell and into the extracellular fluid.
Explanation:
When you mix salt with water in a beaker, the salt is no longer visible. What
happens to the salt?
A. The salt changes state from a liquid to a gas.
B. The salt reacts with the water to make a new substance.
C. The salt dissolves in the water.
D. The salt is destroyed by the water.
please help, i’ll mark brainliest if you get it right! please please only answer if you know the answer though, don’t guess i’m taking a test and i can’t fail as it’s the last one before the quarter ends ( tomorrow ) id appreciate it!! thank youuu
Answer:
C. The salt is dissolved by the water
Explanation:
When ionic compounds dissolve in water, the individual ions separate and get surrounded by water molecules—a process called solvation. Because the salt ions are charged, they dissolve much better in a polar solvent, which is also slightly more charged than a nonpolar solvent
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Brainliest to the correct answer...plz anser if you know and not just for points
Answer:
i would say false because tree slow down erosion not speed it up
Explanation:
hope this helps :)
What is the role of adenosine triphosphate (ATP) within a cell?
A) Release carbon dioxide
B) Biological molecule that stores energy
C) Use glucose
D) Controls chemical reactions
Answer:
Its B. Biological molecule that stores energy
During an experiment to determine if people with more symmetrical body features have a lower incidence of disease, a researcher first measures the length of several bones in the subject's hands and arms. The device used to measure length does not display a readout of the measurement taken. Instead, a wire connects the measuring device to a computer that records the data. The computer monitor is kept out of sight of the subject and the researcher. Why is such an elaborate device used?a. So that the subject will not know if he or she is part of the control group.b. So that the experiment will be repeatable.c. So that the subject will not be injured by the experiment.d. So that the identity of the subject will remain anonymous.e. So that the measurements are not biased by the researcher.
Answer:
e
Explanation:
The main reason such an elaborate device was used would be to eliminate any element of bias by the researcher.
It is important to eliminate biases when taking measurements so as to ensure the accuracy of the data and the overall outcome of the experiment. If a simpler device had been used in which the researcher manually records the length of the bones, it is possible to knowingly or unknowingly introduce biases or random error into the experiment which will impact the integrity of the data and the outcome of the experiment.
The correct option is e.
What water cycle process moves water from land to streams
Answer:
The answer would be runoffs
Explanation:
Although water coming from land to streams isn't directly tied to the water cycle, runoffs are due to gravity.
May I have brainliest please? :)
What happened when Earth's first atmosphere collapsed? Will mark you as brainliest!
- it created oxygen
-it formed the oceans
-it triggered an ice age
-it fell as rain, watering the earliest plants
Explanation:
solar radiation would break atmospheric water into oxygen, which would react with carbon on the Earth to form carbon dioxide. The air would still be too thin to breathe. The lack of atmosphere would chill the Earth's surface.Plants and land animals would die
When a warmer stream flows into a cooler lake, what happens? please answer will mark brainelist
Answer:
it steams cuz of the hot mixing with the cold
describe what happens to the chromosomes in the anaphase telophase. Enter your answer in the space provided.
Which is the best hypothesis for the scientific question “How does light intensity affect the rate of photosynthesis?”
Answer:
A hypothesis for this question could be: If there is more light intensity on a plant then, there would be higher rates of photosynthesis.
Explanation:
Answer:
The answer to this question would be C.) If the distance between the source of light and the plant is increased, the rate of photosynthesis will decrease.
Explanation:
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Write the common food chain of a pond ecosystem.
Explanation:
In a freshwater aquatic ecosystem like a pond, the organisms in the food chain include algae, small animals, insects and their larvae, small fish, big fish and a fish-eating bird or animal
pls mark brainliest
Answer:
Thanks for the points <3!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Explanation:
tkhthy
If Iron (+3 lon) were to bond with Oxygen, what would be the Chemical Formula:
Fe2O3
Fe20
FeO
Fe302
Describe the phases of the moon.
Answer:
Here
Explanation:
Answer:
Waxing Cresent ( when the moon is growing in size to reach it's maximum fullness), FIrst Quarter (When the moon is one quarter full), Waxing Gibbous (When the moon is over half full), Full Moon (When the moon is completley full), Waning Gibbous (When the moon is almost half dark), Last Quarter (When the moon is half dark), Waxing Cresent (When the moon is a small cresent shape in the sky), New Moon (When the moon is completley dark)
Explanation:
Hope this helps!! :)
In this project, you will be designing three graphs based on the information given to you in tables. You must organize the information into graphs and make them clear and understandable. For help on the graphs, go back and read the section in your text on graphing. If you are creating a digital graph your teacher may provide resources or tools to guide you through the digital application. When submitting your graphs make sure to answer the following question for each graph.
Did you finish your line or bar graph?
Did you draw your graph or create a digital graph?
Describe your results.
Did you finish your pictograph?
Did you draw your graph or create a digital graph?
Describe your results.
Did you finish your pie chart?
Did you draw your chart or create a digital chart?
Describe your results.
Answer:
I tried but I could not get if
Explanation:
try Google or any other app
How does affluence impact the environment?
Answer:
Such a lifestyle leads to unnecessary depletion of resources. Such affluence has terrible consequences for the environment. Affluent societies have the financial means to invest in technological research that can reduce pollution and other forms of consumer waste. Wealthier nations tend to have cleaner air and water.
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What is the theory of spontaneous generation? Please give an example. Thanks!!!
Answer:
cell theroy Explanation:
they used to think cells just until the discoverd cells come from pre existing cells
PLEASE HELP
If guinea pigs, black fur is dominant over white fur. Which of the following alleles could represent the gene for white fur? Hint we use the letter of the dominant trait
B b W or w?
I strongly belive its W Please let me know
Answer:
...
Explanation:
Which of the following characteristics apply mainly to invertebrates? (Choose all that
apply.)
A.) many different body plans that display all types of symmetry
b.) backbone and inner skeletal structure
c.)lack of skeletal structure in their bodies
d.)limited to no development of organ systems
Answer:
c and d
Explanation:
because they are cold blooded n have no back bone
The characteristics that mainly apply to invertebrates are as follows:
Lack of skeletal structure in their bodies.Limited to no development of organ systems.Many different body plans display all types of symmetry.Thus, the correct options are A, C, and D.
What are Invertebrates?Invertebrates may be defined as those forms of living organisms that lack a backbone, spinal cord, and central nervous system.
Invertebrates generally have bilateral or radial symmetry. They can be asymmetrical as well. They only have either incomplete or complete digestive systems. Invertebrates completely lack a skeletal system.
Therefore, the correct options for this question are A, C, and D.
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What sea creature is this?
Answer:
i wanna say a stingray but im not 100% sure
Explanation:
When we breathe, we inhale oxygen and release carbon dioxide. What cell process does our body use the oxygen for?
A. Photosynthesis
B. Cellular respiration
C. Osmosis
Answer:
Cellular respiration
Explanation:
This is because if you see Photosynthesis is used for plants to get a food source from the Sun. Osmosis is the movement of chemicals from a less converted membrane to a more. I think i said that wrong but. I am sure it is cellular respiration which is the despirsion of waste products. So yeah Answer is Cellular respiration
Which of these organisms would most likely be found at the top of an energy pyramid?
a clams - a primary consumer
b. sardines - a primary consumer
c. sharks - a secondary consumer
d. kelp - a primary producer
The energy pyramid is a diagram that shows the flow of energy between trophic levels in an ecosystem. In an energy pyramid, the energy flows from producers to consumers.
The organisms that would most likely be found at top of the energy pyramid are sharks (secondary consumers).In an energy pyramid, the energy flows from producers (e.g., plants) to primary consumers (eg., herbivores). Subsequently, the energy then flows from primary consumers to secondary consumers (e.g., carnivores) and so successively.In an energy pyramid, the amount of available energy decreases as it moves through subsequent trophic levels.In conclusion, the organisms that would most likely be found at top of the energy pyramid are sharks (secondary consumers).
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How do changes in wind currents affect the short-term climate in a region?
88
O Prevailing winds can cause a milder climate with heavy rain.
Global winds can cause a longer summer.
O Prevailing winds can cause heavy rains or a dry climate.
O Global winds can cause a longer winter.
The changes in wind currents affect the short-term climate in a region occurs prevailing winds can cause heavy rains or a dry climate.
Why is the climate changing?Climate change can be caused by natural processes on the Earth itself or by external forces, including variations in the intensity of sunlight, or even more recently, by human action.
The changes in the sea currents which affect the waters and the climate of the region. Thus the answer is prevailing currents created large rain. These events lead to the creation of the changes that lead to the formation of the weather changes.
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Answer:
C. Prevailing winds can cause heavy rains or a dry climate.
Explanation:
Prevailing winds can cause heavy rains or a dry climate.
Prevailing winds can cause heavy rains or a dry climate.
Prevailing winds can cause heavy rains or a dry climate.
Prevailing winds can cause heavy rains or a dry climate.
Prevailing winds can cause heavy rains or a dry climate.
Prevailing winds can cause heavy rains or a dry climate.
Prevailing winds can cause heavy rains or a dry climate.
Prevailing winds can cause heavy rains or a dry climate.
Prevailing winds can cause heavy rains or a dry climate.
Prevailing winds can cause heavy rains or a dry climate.
Identify the structure labeled X in the diagram
Polypeptide (protein) made up of amino acids
DNA make up of nucleotides
DNA made up of amino acids
Messenger RNA made up of nucleotides
Answer:
first one
Explanation:
DNA is what is in the nucleus not outside and mRNA is the bottom
Carbon, nitrogen, and phosphorus are examples of what?
Answer:
A natural process in which elements are continuously cycled in various forms between different compartments of the environment (e.g., air, water, soil, organisms).
Hope this helps!
Answer:
Carbon Cycle. Nitrogen cycle. Photsphorus cycle. Water cycle. The carbon cycle includes the uptake of carbon dioxide by plants through, its ingestion by animals and its release to the atmosphere through respiration and decay of organic materials.
Explanation:
A natural process in which elements are continuously cycled in various forms between different compartments of the environment (e.g., air, water, soil, organisms). Examples include the carbon, nitrogen and phosphorus cycles (nutrient cycles) and the water cycle.
The diagram shows a reflex arc. Name parts P and Q shown on the diagram above.
Please help.
Answer:
P - synapse
Q - Relay neuron
Explanation:
A synapse, easy to remember as a neural junction, is the site where the transmission of electric impulses occurs. This occurs between two neurons or between a neuron and a gland or muscle cell. So in this scenario when we poke the finger it fires an electric nerve impulse that gets to the P spot that is a synapse and gets transmitted to the relay neuron. A relay neuron is there to receive the signal from one neuron and then transfer it to another interneuron resulting in the signal being received by a motor neuron so that we can react to the stimulus.
3. What does the heading
represent?