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Which of the following statements is true?
OA. Chemical reactions can either absorb thermal energy or release thermal energy
ОВ.
Chemical reactions can only absorb thermal energy.
OC.
Chemical reactions can neither absorb thermal energy nor release thermal energy.
OD.
Chemical reactions can only release thermal energy.
Answer: Chemical reactions can either absorb thermal energy or release thermal energy.
What characterizes a climax community in a forest?
How do these equations explain why the total amount of O2 and CO2 remains the same?
Answer:
This constancy of the chemicals involved denotes that no particular reaction is taking place on the cells involved. For instance, during photosynthesis it would require CO2, H2O and photons to initiate the process. Thank you for your question. Please don't hesitate to ask in Brainly your queries.
The final paragraph of the CNN report said that "several eye specialists" had pointed out that the study should have accounted for heredity. Myopia is passed down from parents to children. Myopic parents are more likely to have myopic children, and may also be more likely to leave lights on habitually (since the parents have poor vision). In what way does the knowledge of this possible genetic link affect how we interpret the data from the study? Explain.
Answer:
Myopia is a phenotype that results from interactions between genetic factors and the environment
Explanation:
A quantitative trait is a polygenic trait that depends on the cumulative effects of many genes and the environment. Some examples of quantitative traits include weight and height. Myopia is a quantitative trait whose phenotype depends on the combined action of different genes and the environment. It has been shown that genetics plays a central role in this trait (myopia), it is for that reason that myopic parents are more likely to have myopic children. However, there also are environmental factors (e.g., diet) which increase the risk to suffer myopia.
a. AATACGTCCAGATTTT
b. TTAACCGAGTTCAGA
c. CCCGCGGAATATACA
d. AGGGCTACTTCAGAC
Answer:
what is the question??? I can't understand it sorry
Why might it be important for population ecologists to know the factors that allowed the population to grow at exponential rates?
because they think they be cool with popularity when they look like fools
according to newtons 2nd law of motion if the force acting on the object stays the same but the mass increases what is most likely to happen to the acceleration of the object?
A. aceleration will decrease
b. acceleration with increase
c. acceleratin will change but the speed and direction will remain constant,
d. acceleration will remain the same.
Answer:
D
Explanation:
I had this question before and this is the guaranteed answer
3. What happens during each of the four phases
of mitosis? Write one or two sentences for
each phase
Answer:
After DNA replicates and the cell is about to divide, the DNA condenses and coils into the X-shaped form of a chromosome. During this process, sister chromatids separate from each other and move to opposite poles of the cell. This happens in four phases, called prophase, metaphase, anaphase, and telophase.
Mitosis is a process of division in which a parent cell is divided to form two identical daughter cells.
Mitosis completes into 4 steps:
Prophasemetaphaseanaphasetelophase.What is the process of mitosis?The process of mitosis division completes into four stages:
Prophase – The chromosome is condensed and compact. The spindle fiber forms.Metaphase – The nuclear membrane dissolve, and the spindle fiber aligns all the sister chromatids (chromosome) in one line.Anaphase – The sister chromatids separated from each other and centromere. The spindle takes each strand to the opposite pole.Telophase – the nuclear membrane appears again around each set of the chromosome. The chromosome uncoil and the cytoplasm divide into two cells, and this process is called cytokinesis.Thus, this is the process of mitosis.
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Which of the following statements is true regarding individual III-5? Select all that apply. Select all that apply. Individual III-5 is male. Individual III-5 is female. Individual III-5 is affected by the genetic condition. Individual III-5 is not affected by the genetic condition. Individual III-5 is the proband.
Answer:
III-5 is male.
Individual III-5 is affected by the genetic condition.
Individual III-5 is the proband.
Explanation:
In human pedigrees, males are represented by squares while females are represented by circles. Individuals affected by the focus trait in human pedigrees are usually shaded, those that are carriers are half-shaded, while those that are not affected at all are not shaded in any form.
Thus, from the pedigree (see the attached image), III-5 individual is a male and affected by the genetic condition in focus.
Also, III-5 individual is a proband, because a proband is an individual that is first affected by a genetic trait in a family.
Results in science are not generally accepted as being accurate until they can be verified. Which of the following is an example of repetition in science? A.A student designs an experiment on plant growth that includes multiple trials. B.One scientist carries out the same experiment performed by another scientist to validate the results. C.A scientist poses a new question for investigation after reading the results of another scientist’s work. D.A scientist analyzes the data included in the published work of another scientist and agrees with the conclusions
Answer:
B) One scientist carries out the same experiment performed by another scientist to validate the results.
Explanation:
repetition definition is basically B.
One scientist carries out the same experiment performed by another scientist to validate the results. Therefore, option (B) is correct.
What is repetition?Repetition in science is the process of repeating an experiment or study to verify or validate the results. This is done to ensure that the results are accurate and reliable, and not due to chance or experimental error.
An example of repetition in science is when one scientist carries out the same experiment performed by another scientist in order to validate the results and confirm that they are accurate and consistent. This process helps to build confidence in the results and increases the credibility of the scientific findings.
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unlike eukaryotes prokaryotes do not contain a system of internal membranes. Any organelles, proteins, and genetic material are free - floating within the cytosol. Select the description below that correctly identifies how protein synthesis differs in prokaryotic and eukaryotic cells as a result of eukaryotic compartmentalization.
A. RNA processing occurs outside of the nuclear membrane in prokaryotes and inside it in eukaryotes.
B. Translation can occur before transcription in a prokaryote but not in a eukaryote.
C. Transcription and translation can occur simultaneously in a prokaryote but not in a eukaryote.
D. Ribosomes are needed for translation of mRNA in eukaryotes, but they are not needed in prokaryotes.
Answer:
The difference in protein synthesis in prokaryotic and eukaryotic cells, due to the compartmentalization of the latter, is that transcription and translation can occur simultaneously in a prokaryote but not in a eukaryote (option C).
Explanation:
Eukaryotic cells are characterized by a true nucleus, surrounded by a nuclear membrane. Since transcription occurs in the nucleus and translation for protein synthesis occurs in the cytoplasm, the former process occurs before the latter.
In prokaryotic cells the absence of a nucleus and compartmentalization system makes it possible for transcription of DNA into RNA and translation to occur simultaneously.
The other options are not correct because:
A. RNA processing, in both prokaryotes and eukaryotes, occurs in the cytoplasm.
B. Transcription precedes translation in all organisms.
D. Ribosomes are present and are necessary for protein synthesis in both prokaryotes and eukaryotes.
Tufa is a/an ____ sedimentary rock.
A) organic
B) Clastic
C) Chemical
Answer:
chemical
Explanation:
What causes the earths tides; describe the conditions for the largest tides?
Answer:
Earth's rotation and the gravitational pull of the sun and moon create tides on our planet. Because the sun is so much larger than the moon (27 million times more masssive), it has a much bigger graviational pull on Earth.
Complete the sentences by matching the names of trees to the appropriate blanks. To do this, drag the names on the left into the appropriate blanks in the sentences on the right. Terms may be used more than once.
a. cedar
b. mango
c. elm
d, maple
e. pine
Evergreens are plants that maintain their leaves in all seasons and include trees such as___, ____, and____.
2. Deciduous trees lose their leaves seasonally and include trees such as___and___.
3. Conifer leaves are generally thin and needle-like, while seeds are contained in cones. Conifers include___and___.
4. Hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as___, ___, and____.
Answer:
1. cedar, mango and pine
2. elm and maple
3. pine and cedar
4. mango, elm and maple
Explanation:
Evergreen trees are plant tree species that remain green across seasons, even in cold/dry conditions, thereby contrasting with deciduous trees that lose their leaves in cold/dry conditions. Conifers (Coniferophyta) are gymnosperm plants that produce seeds without fruit/flowers. Conifers are vascular land plants composed of one that one class named Pinopsida, which consists of perennial plants with secondary growth. Moreover, mango, elm, and maple are hardwood trees that have seeds within fruits (i.e., they are angiosperms), which lose their leaves seasonally (i.e., they are deciduous trees).
Which organelle part of the cell would say this if it could speak? Nobody messes with me! I make all the decisions in
this cell.
1)Cell membrane
2)Vacuole
3)Mitochondria
4)Cytoplasm
5)Nucleus
Answer:
nucleas
Explanation:
they control all the cells
A punch is painful, while a hug is not, because a punch produces _______ action potentials from each sensory neuron. A) stronger B) more frequent C) faster-moving D) fewer
Answer:
B) more frequent
Explanation:
This occurs because a punch produces more frequent action potentials from each sensory neuron. This is only caused when there are rapid and sudden changes. A punch is fast and causes very sudden changes when the punch comes into contact with the human body. This therefore, causes these fast and sudden changes which fire very frequently from each sensory neuron. A hug is soft and does not affect the human body in such a sudden way so it does not cause frequent action potentials.
Place the following events in
the cell cycle in the proper
order:
a. Anaphase
b. Cytokinesis
C. G2
d. Telophase
e. G1
f. Prophase
8. S
h. Metaphase
The cell cycle in the correct order is G1, S, G2, Prophase, Metaphase, Anaphase, Telophase, and Cytokinesis.
What is the cell cycle?Prophase, metaphase, anaphase, and telophase are the four phases that a cell goes through. To form chromosomes, chromatin condenses (sister chromatids joined at the centromere).
In prophase, the chromosomes get shorter and thicker, in the center of the cell, during the metaphase, the chromosomes align. Chromatids separate during the anaphase process and travel to the opposing poles.
Telophase: Two nuclei are produced when nuclear envelopes have reformed around each chromosomal group.
Therefore, the cell spends the majority of its time in interphase, which is also when it grows, duplicates its chromosomes, and gets ready to divide.
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Which organelle/part of the cell would say this if it could speak? I am like the broth or the liquid in vegetable soup.
There are carrots, peas, celery, and potatoes floating all in me.
1) Cytoplasm
2) Mitochondria
3) Nucleus
4) Vacuole
5) Cell membrane
Answer:
cytoplasm
Explanation:
woohoo biology.
1. word that means produced by a living thing
2. a word that means NOT produced by a living thing
Through which of the following processes are plant communities taking over the ecosystem
Answer:
Climate disturbance
Explanation:
True or False: Chromosomes can be seen with the naked eye.
the answer is false Because it is so thin, DNA cannot be seen by the naked eye unless its strands are released from the nuclei of the cells and allowed to clump together.
Which cell is a plant cell?
Answer:
b
Explanation:
Describe the movement of oxygen molecules if there were more oxygen molecules
outside the cell
Explanation:
Because there's a higher concentration of oxygen molecules outside the cell compared to the cell's cytoplasm, you'll see that oxygen diffuses into the cell along this concentration gradient. ... Because the molecules are moving at random, some will move out of the cell, but most will be moving in in this case.
Transporation is the mechanism by which the molecules and enzymes move in and out of the cell. When more oxygen is present outside the cell diffusion will occur along the concentration gradient.
What is diffusion?Diffusion is a transportation mechanism that involves the movement of the ions and the molecules from the high concentration area towards the low concentration region.
The high amount of oxygen present outside the cell will diffuse through the cell membrane inside the cell along the concentration gradient so that the concentration inside and the outside achieves equilibrium.
Therefore, the movement of the oxygen molecules from high concentration to low is diffusion.
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How are cellular respiration and photosynthesis mutually dependent
Answer:
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. ... While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide. It is the released oxygen that is used by us and most other organisms for cellular respiration.
Explanation:
If it takes a frog 5 minutes to jump 3 blocks, how long will it take for him to jump 15 blocks?
Answer: It will take the frog 25 minutes.
Explanation:
which biomolecule contains your genetics
Answer:
Nucleic Acids
Explanation:
These molecules contain the genetic code, which has all the information necessary to build the body. The basic unit is called a nucleotide, which is composed of a sugar-phosphate backbone attached to one of four nitrogenous bases; cytosine, guanine, adenine or thymine.
When human undergo anaerobic respiration , they
When humans and other animals lack sufficient oxygen, they'll create ATP through a form of anaerobic respiration that produces lactic acid as a byproduct. ... Yes 'Anaerobic' means 'without oxygen. Cells will produce ATP through lactic acid fermentation only under when they lack sufficient oxygen.
Answer:
They experience sore muscles
Explanation:
Have a nice day lol <3
i would appreciate it a lot if you answered this:
Answer:
the nucleus
Explanation:
Chromatin is a mass of genetic material composed of DNA and proteins that condense to form chromosomes during eukaryotic cell division. Chromatin is located in the nucleus of our cells. The primary function of chromatin is to compress the DNA into a compact unit that will be less voluminous and can fit within the nucleus.
A Class-A 10 mL pipette is supposed to dispense 10.00 mL of water. A lab technician makes three measurements of the volume that the pipette actually dispenses, and obtains volumes of 9.70 mL, 9.69 mL, and 9.71 mL. The pipette is:__________
a) Accurate, but not precise
b) Precise, but not accurate
c) Accurate and precise
d) Neither accurate or precise
Answer:
d) Neither accurate or precise
Explanation:
Accuracy and precision are critical factors in the experimental procedure. Accuracy can be defined as the amount of uncertainty in the process of measurement in relation to the true value (in this case, 10 mL). On the other hand, precision is an independent feature of the accuracy which indicates the repeatability of the measurement process (in this case, three measures weren't repeated). Therefore, precision indicates the confidence of a particular measurement, while accuracy indicates how close is this value to the real value.
Wolves that live in snowy climates often prey on rabbits. Some rabbits can move quickly across deep snow because they have large feet that don’t sink into the snow. Rabbits without this adaptation move more slowly across the snow. Which statement best justifies how the rabbit population changes over time?
A. Sea coral would make immediate adaptations through genetic mutations to adjust to the changes in the environment.
B. The ocean water would change its current so that the acidic water is relocated to another area and allow sea coral to survive.
C. The ocean water would change its composition to reduce the amount of carbon dioxide contained and allow sea coral to survive.
D. Sea coral would become extinct because of its inability to make adaptations fast enough to adjust to the changes in the environment
Answer:
It's A
Explanation:
Just like the corals have genetic mutations to adapt to their environment so do the rabbits change their genetic characteristics to make sure the species continue it's lineage by evolving and growing their feet so they can be faster and not sink in the snow, becoming harder preys to catch, otherwise, if their paws were smaller, they would be slower and, therefor, an easy catch for the wolves, probably becoming extinct after awhile.
The statement that justifies how the rabbit population changes over time is sea coral would make immediate adaptations through genetic mutations to adjust to the changes in the environment. So, the correct option is A.
What is Adaptation?Adaptation is the process by which a species becomes fitted to its environment; it is the result of natural selection's acting upon heritable changes.
Rabbits have to change their genetic characteristics same as the coral have genetic mutations to adapt to their environment and to make sure the species continue its downstream by evolving and growing their feet, so they can run faster in the snow and successfully escape from predators. If rabbits are not evolved with an environment that does not favor them, they are surely eliminated from nature.
Therefore, the statement that justifies how the rabbit population changes over time are sea coral would make immediate adaptations through genetic mutations to adjust to the changes in the environment.
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