Answer: Option D; 150 Nucleotides
Amino acids have their codons in form of set of three nucleotides. So if there are 51 amino acids, it means the number of nucleotides would be -
1 amino acid = 3 bases/ nucleotides
51 amino acids = 51 * 3 = 153 nucleotides
Since the nearest answer is 150, option D is the correct answer.
This is the basic concept of relation between DNA and protein synthesis.
Ciliates have complex internal structures involved in different functional systems. Which organelles aid in their digestion process?
Air that has reached its water vapor capacity is said to be _____.
Assume you began with 10 g of a radioactive parent isotope. How many grams of parent isotope will be present in the sample after 2 half-lives?
Answer:
2.5 grams
Explanation:
In radioactive decay, one half-life is the time it takes for half of the radioactive sample to decay. So if it takes two hours (for example) for a sample to go from 8 grams to 4 grams, then one half-life has passed (since half the sample has decayed), and the half-life is two hours.
Calculation:
2 half-lives = sample halved twice
10 grams / 2 = 5 grams (one half-life has passed)
5 grams / 2 = 2.5 grams (two half-lives have passed)
A marine ecosystem off the California coast consists of leatherback turtles that feed on jellyfish, and killer whales that prey on the leatherback turtles. Habitat loss and fishing have been identified as the main reasons for the reduced numbers of leatherback turtles, who are on the verge of being declared an endangered species. What would be the first effect on the ecosystem if habitat loss and fishing continue unchecked? A) A spurt in the population of jellyfish B) A spurt in the population of killer whales C) A change in the feeding habits of jellyfish D) A migration of jelly fish from the ecosystem
Answer:
The correct answer is A) A spurt in the population of jellyfish.
Explanation:
According to this question, habitat loss affects population of leatherback turtles so the population of the leatherback will go down and it will affect the population of killer whales because killer whales prey on leatherback turtles.
As the population of leatherback turtles decreases the population of its prey that is jelly will grow very fast due to lack of their natural predators like leatherback turtles.
So if habitat loss and fishing continue unchecked then there will be a spurt in the population of jellyfish and decrease in the population of leatherback turtles and killer whales which will disturb the balance marine ecosystem.
Therefore the correct answer is A) A spurt in the population of jellyfish.
Scientists have detected an asteroid that is 700,000,000 km from Earth. About how many astronomical units is that?
Answer:
4.5 is the answer
Explanation:
I justddid it
Name the two types of vectors.
Two types of vectors are Biological and Mechanical.
Vectors are important agents for cloning in biotechnology. Plasmids and bacteriophages are the two types of vectors.
What are vectors?Vectors are the important tools used in biotechnology for cloning the desired DNA sequence or a segment of gene in a host organisms.
Vectors are ideal for cloning as they are small in size and they have the unique ability of self-replication. Thus, they can efficiently multiply in the body of host.
Vectors also possess restriction enzymes which make them cleave at specific sites and thus it can be ideal for drug selection. Another important feature of vectors is that they do not pose any interference with the DNA of the host.
Yeast cells, bacteriophages and plasmids are the commonly used vectors in genetic engineering. Plasmids are widely used vectors isolated from bacteria. Bacterial artificial chromosomes and Yeast artificial chromosomes are also popularly used vectors for genetic modifications.
Thus, vectors are ideal and important for genetic engineering processes.
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To be an effective solvent in living systems, a substance must be able to meet all BUT ONE of the following requirements, namely
A) remains liquid over a wide temperature range.
B) form a solution with lipid molecules.
C) able to dissolve a great variety of chemical compounds.
D) provide a safety against extremes in temperature by having a high heat capacity.
Answer:
B. form a solution with lipid molecules.
Explanation:
To be an effective solvent in living systems, a substance must be able to all BUT one of the following. That is form a solution with lipid molecules. Because water does not combine readily with lipids, lipids are able to form barriers, like cell membranes, within the living system called the cell.
Explain how an unbalanced translocation occurs and how it affects humans
describe dwarf planets and their orbits in the solar system
if one centromere on each chromosome is needed for proper cell division, what would you expect to happen to cells that have the products with 2 centromere
How do surface currents help regulate the temperature of the planet?
please help
Wind, friction, and the Coriolis effect combine to move water in which direction?
A. against the wind
B. perpendicular to the wind
C. in no particular direction
D. parallel to the wind
Wind, friction, and the Coriolis effect combine to move water in a direction that is perpendicular to the wind due to the Coriolis effect and the Earth's rotation.
Explanation:Wind, friction, and the Coriolis effect combine to move water in a specific direction. The correct answer to this question is B. Perpendicular to the wind. This is due to the Coriolis effect, which makes moving objects veer to the side because of the Earth's rotation. The combination of the wind (which pushes the water), the Coriolis effect (which turns the water to the side), and friction (which slows the water) creates a net movement of the water perpendicular to the wind's direction.
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When does hurricane season start
Hurricane season in the Atlantic Ocean starts on June 1st and ends on November 30th.
Explanation:Hurricane season starts on June 1st and ends on November 30th in the Atlantic Ocean. This is the period when conditions are most favorable for the development of hurricanes due to warm sea surface temperatures. However, it's important to note that hurricanes can occur outside of this designated season, although it is less common.
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A checkpoint in the cell cycle has broken down. Which of the following results is possible?
Any of these results is possible.
The cell may contain damaged DNA and continue on to be reproduced with that DNA.
The cell may continue to the M phase without having sufficient nutrients.
The cell may not be large enough and contain enough cytoplasm to divide in the M phase.
If a checkpoint in the cell cycle has broken down, the possible results are as follows:
The cell may contain damaged DNA and continue on to be reproduced with that DNA.The cell may continue to the M phase without having sufficient nutrients.The cell may not be large enough and contain enough cytoplasm to divide in the M phase.Thus, any of these results are possible.
What is the Cell cycle?The cell cycle may be defined as the entire sequence of events that are happening from the end of one nuclear division to the beginning of the next. The complete cell cycle is divided into two major stages. They are as follows:
Interphase.M-phase (Division phase).The checkpoints of the cell cycle are surveillance mechanisms that monitor or regulate the order, integrity, and fidelity of the major events of the cell cycle. These include growth to the appropriate cell size, the replication and integrity of the chromosomes, and their accurate segregation at mitosis.
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I can't fund this any where in my textbook plz halp
which statement describes a property of both prokaryotic and eukaryotic cells
Final answer:
Both prokaryotic and eukaryotic cells contain a cytoskeleton, plasma membrane, cytoplasm, DNA, and ribosomes. These structures are crucial for cell division, protection, shape maintenance, and protein synthesis.
Explanation:
A property shared by both prokaryotic and eukaryotic cells is the presence of a cytoskeleton. The cytoskeleton is a network of fibers that provides structural support, maintains cell shape, and facilitates cellular movement and division. Both types of cells rely on their cytoskeleton for these critical functions, although the specific structures and proteins involved may differ between prokaryotes and eukaryotes.
In addition to the cytoskeleton, all cells possess four common structures: a plasma membrane, which acts as a protective barrier; cytoplasm, a gel-like substance inside the cell where cell components reside; the genetic material, DNA; and ribosomes, which are responsible for protein synthesis. These structures are fundamental to the survival and operation of both prokaryotic and eukaryotic cells.
Slow, gentle slope with shallow water and animals
A continental slope
B-mid ocean ridge
C-abyssal pain
D-continental shelf
E-ocean trench
I believe the answer is A.
Which of these environmental changes occurs most rapidly?
A.) Forest Succesion
B.) Human Population Growth
C.) Decomposition
D.) Tornado
The environmental change that occurs most rapidly among the options listed is human population growth (Option B).
What are environmental changes?Environmental changes refer to alterations in the natural world caused by a variety of factors, including natural forces and human activities. Environmental changes can be gradual or rapid, short-term or long-term, and can affect both living organisms and non-living things.
While the other options - forest succession, decomposition, and tornado - can occur relatively quickly in their own right, they are typically on a much shorter timescale compared to the exponential growth of human populations.
Human population growth has the potential to lead to significant environmental impacts, such as increased resource consumption, habitat destruction, and pollution, among others.
Therefore, it is essential to manage human population growth in a sustainable way to ensure the long-term health and wellbeing of both humans and the planet.
Environmental changes can have significant consequences for both human populations and natural ecosystems. They can lead to the extinction of species, increased frequency and severity of natural disasters, changes in weather patterns, loss of biodiversity, and disruptions to food and water supplies.
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Is rice a living thing or a non living thing? Please explain
Answer:
Living thing
Explanation:
Rice is the seeds of the plants whose scientific name is 'Oryza sativa' and is one of the annual crops. This crop can carry out the cellular respiration process that allows to utilize its nutrients and the cells are able to use it for energy. It also undergoes photosynthesis due to the presence of sunlight and the availability of carbon dioxide and water. It is the most consumed food in various countries.
So, rice can be considered to be a living thing.
What forms of energy are being transferred during the water cycle?
. Which of the following are you most likely to need when recovering an escaped cat?
A. Pepper spray
B. Restraint gloves
C. A cat bag
D. A head snare
Why is potassium iodide electrically neutral?
The wage gap—the level of women’s income relative to that of men—is currently
Answer:
Edge says 75 cents but...
Explanation:
That bs in the real world
What two organ systems provide communication in thermoregulation?
a
respiratory and nervous
b
circulatory and integumentary
c
integumentary and muscular
d
nervous and endocrine
how to determine if a specimen is living or non-living
The Green Revolution occurred during the
1960s
nineteenth century
1980s
Middle Ages
which process is related to crossing over and non-disjunction, mitosis or meiosis? please explain your answer quickly please and thank you.
In the darkness of the deep ocean, some organisms produce light through a process called ___________________
Answer: Bioluminescence.
Explanation:
Bioluminescence is the phenomena of production of light by living organisms.
This phenomenon is very common in deep sea oceans because at the depth of the ocean it is very dark and it helps the organisms to survive in the following ways :
1. It helps to attract prey.
2. It helps to confuse the predator.
3. To camouflage.
4. For communication.
5. To generate warning signals.
6. For illuminating the water column.
Look at the prey's population size at the end of the graph. How will this population size most likely change next? A. The population will shrink in size. B. The population will increase in size. C. There is no way to predict how the population size will change. D. The population size will remain the same.
b- increase in size // study island
The population will increase in size. Therefore, the correct option is option B among all the given options.
What is population?In human biology, population refers to the total population of a region (such as a nation or the entire world), which is always changing due to both gains and losses (such as births and immigrations). The availability of food, the impact of diseases, and various other environmental conditions all have an impact on the size of the human population, just like they do for any other biological species.
Social norms governing reproduction and technological advancements, particularly in medicine & public health, which have decreased mortality and increased life expectancy, have an additional impact on human populations. The population will increase in size.
Therefore, the correct option is option B.
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What should the detective do to get enough DNA? A) western blot B) DNA fingerprint C) gel electrophoresis D) polymerase chain reaction (PCR)What should the detective do to get enough DNA? A) western blot B) DNA fingerprint C) gel electrophoresis D) polymerase chain reaction (PCR)
Answer:
on usatestprep the answer D