Answer:
The structures that are found in both eukaryotic and prokaryotic cell are-
Explanation:
ribosomes, DNA, cytoplasm.
Ribosomes are biomolecular complex, composed of RNA and protein and act as the site for protein synthesis in all the cells of the living organisms.
DNA (deoxyribonucleic acid) is considered.
What type of bonds do carbon atoms form?
The type of bonds that could be formed by carbon atoms should be various types of covalent bonds.
The covalent bond represents the chemical bond in which the pairs of the electron that lies between atoms should be shared.
Types of covalent bonds:
A single bond arises at the time when 2 electrons were shared in which there is the bond of one sigma lies between 2 atoms.The double bond arises at the time when 4 electrons were shared that lies between 2 atoms and contains 1 sigma bond + 1 pi bond.The triple bond arises at the time when 6 electrons were shared that lies between 2 atoms and contains 1 sigma bond + 2 pi bonds.The following information regarding covalent bond should be considered:
It can be an individual, double, or triple type of bond.In the case of an aromatic compound such as benzene so it creates the form that is treated to be effective lies between an individual & double that could vary approx 6-member carbon ring but normally overall 6 bonds should contain a similar length.Therefore we can conclude that The type of bonds that could be formed by carbon atoms should be various types of covalent bonds.
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In the food chain below, which is the producer grass - Mouse - snake -hawk
O grass
O mouse
O snake
O hawk
Answer:
grass
Explanation:
it produces energy from the sun and gives that energy to all the other consumers that eats it
The producer in this food chain is grass, as it is the organism that produces its own food through photosynthesis.
What is a food chain?A food chain is a linear sequence of organisms in which each organism serves as a food source for the next organism in the chain. The organisms in a food chain are connected by their feeding relationships, with energy and nutrients passing from one organism to the next.
Producers are organisms that form the base of the food chain by converting sunlight into chemical energy through photosynthesis. These organisms are typically plants, algae, or certain types of bacteria. They are called producers because they produce their own food, using energy from the sun and inorganic nutrients from their surroundings. As a result, they are able to support all other levels of the food chain, including herbivores, carnivores, and omnivores.
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The diagram below shows three cubes. Which has the biggest surface area to volume ratio? 100 points if you answer
Answer:
2
Explanation:
The cube 2 has biggest surface area to volume ratio among diagram of three cubes.
What is surface area to volume ratio?The ratio of surface area of substance or object to the volume is called surface area to volume ratio.Let the length of the cube as X.
Then,surface area of cube = [tex]X^{2}[/tex]
Volume of the cube = [tex]X^{3}[/tex]
Surface area to volume ratio = [tex]X^{2}[/tex]/[tex]X^{3}[/tex] = 1/[tex]X^{}[/tex]
So, surface area to volume ratio is inversely proportional to the length of the cube.
So, larger the length of the cube smaller will be their surface area to volume ratio value.
Therefore, in the diagram the length of the 2 cube is minimum among three cubes.
Hence, cube 2 has biggest surface area to volume ratio
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In a multicellular organism, the lungs are responsible for exchanging gases with the organism's environment. Which cellular structure performs the same task for a
Cell?
Never mind this is the answer
Answer:
i think it is the plasma membrane
Explanation:
if you search it on google the website quiz said that and it is trusted by me
The cellular structure that perform the same function as lungs is mitochondria. The correct option is B.
What is mitochondria?Mitochondria are membrane-bound cell organelles that produce the majority of the chemical energy required to power the cell's biochemical reactions (mitochondrion, singular).
The Lungs of multicellular organisms, as defined on this question, are a breathing organ concerned with the intake of oxygen required for cell respiration and the expulsion of carbon dioxide from the body, a process known as gas exchange.
This gaseous exchange feature of the lungs is completed for the manner of breathing that is completed on the cell level by way of mitochondria.
Mitochondrion is an organelle in eukaryotic cells that is involved in cell respiration (launch of energy). The lungs exchange the gaseous reactants (oxygen) and products (carbon dioxide) of cell respiration.
Thus, the correct option is B.
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Your question seems incomplete, the missing options are:
A) chloroplast
B) mitochondrion
C) endoplasmic reticulum
D) plasma membrane
During the formation of metamorphic rocks, what is one event that leads to increase heat?
Answer:
c.friction occurs between sliding rocks.
Explanation:
just o the test on edge 2020
Answer:
B. Magma pockets rise.
Explanation:
I got it correct on the quiz. :)
Which best describes how DNA fits inside a cell nucleus?
Answer:
DNA tightly coils around proteins and condenses into chromosomes, which fit in the nucleus
Explanation:
Which lists the steps of differentiation of neuron development?
A.) neuron undergoes mitosis, two identical daughter cells are produced, daughter cells divide to produce stem cells
B.) neuron undergoes mitosis, two daughter cells are produced, one daughter cell is a stem cell, one daughter cell is identical to neuron
C.) stem cell undergoes mitosis, two identical daughter cells are produced, daughter cells divide to produce neurons
D.) stem cell undergoes mitosis, two daughter cells are produced, one daughter cell is a neuron, one daughter cell is identical to stem cell
Answer:
A or D
Explanation:
Answer: D: stem cell undergoes mitosis, two daughter cells are produced, one daughter cell is a neuron, one daughter cell is identecial to stem cell.
Explanation:
Describe the nucleus. How does this structure help to differentiate between prokaryotic cells and eukaryotic cells?
Answer:
There are two basic types of cells, prokaryotic cells and eukaryotic cells. The main difference between eukaryotic and prokaryotic cells is that eukaryotic cells have a nucleus. The nucleus is where cells store their DNA, which is the genetic material. The nucleus is surrounded by a membrane.
Explanation:
If a person's sleep cycle is not properly maintained, what could happen as a result?
Check all of the boxes that apply.
A person can become overly tired.
A person can develop hyperthermia
A person can get sick.
A person can get diabetes.
DONE
Answer: a person can get overly tired
a person can get sick
Explanation:
Answer: A and C
Explanation:
A Can of tomatoes has a radius of 6 cm in a height of 10 cm. What is the approximate volume of the can
Answer:
1130.4 cm³
Explanation:
The formula when calculating the volume of a cylinder is pi × radius² × height
3.14 x 6²x 10
When simplified it will be,
31.4 x 36 = 1130.4
A change in weather is likely coming it a barometer shows a change in
Answer: Air Pressure
Explanation:
Which of the following is most closely associated with nucleus acid? A. Energy storage B. Genetic C. Immunity D. Structure
Answer:
b.
Explanation:
genetic stuff we were naturally born with for ex . eyes
How are carbohydrates attached to one another?
Answer:
Molecules
Explanation:
Why can starting a new exercise regimen be dangerous?
Answer:
Starting a new regimen without consulting with a doctor first can be dangerous, especially if you have or have had previous injuries.
Most
earthquakes
occur near
what
geological
features?
A. tsunamis
B. ice sheets
C. at tectonic plate boundaries
D. away from tectonic plates
Answer:
C
Explanation:
because when tectonic plates crash into each other they can cause tsunamis, and earthquakes.
Hope it helps!
which organelle folds protein
Answer:
Rough endoplasmic reticulum on APEX
Explanation:
____1. Placing iron filings on a magnet can help you see the _____________.
A. electric field B. electric current C. gravitational field D. magnetic field
___2. Which of the following does not use Earth’s magnetic field?
A. seeds leaving a plant by motion of the wind
B. honeybees finding their hive
C. birds flying south for the winter
D. trout and salmon swimming upstream
_____3. Which of the following is a renewable resource?
A. fossil fuels
B. petroleum
C. cotton
D. plastic
____4. What is heat energy from Earth’s crust called?
A. nuclear energy
B. thermal energy
C. hydroelectric energy
D. geothermal energy
____5. This type of precipitation occurs when air pollutants from the burning of fossil fuels reacts with water in the atmosphere that can pollute water, kill fish and plants and damage soil.
A. polluted rain B. hazardous rain C. acid rain D. distressed rain
____6. What causes ozone depletion?
A. CFCs B. factories burning fossil fuels C. smoking D. car exhaust
___7. What traps heat and keeps Earth warm enough to support life?
A. ozone layer
B. greenhouse effect
C. global warming
D. climate change
_____8. Where do we find the most biodiversity?
A. close to the north pole
B. Canada
C. near the south pole
D. closet to the equator
_____9. An organism that is at risk of becoming endangered in the near future is _______
A. extinct species
B. threatened species
C. captive species
D. endangered species
____10. A species that is brought to a new area as a result of human actions is ____________
A. a captive species B. an alien species C. an introduced species D. a native species
Answer:
Igor really
Explanation:
U are a complete idiot but ill take the points for answering
how many animal cell are in the human body
Answer:
Your body has different kinds of cells. Though they might look different under a microscope, most cells have chemical and structural features in common. In humans there are about 200 different types of cells and within this cells there are about 20 different types of structures or organelles.
What type of bonds does carbon atoms form?
Answer:
carbon bond is a covalent bond between two carbon atoms.
Explanation:
The table represents a function.
What is f(-2)?
0 -3
х
-6
-2
0
3
f(x)
3
1
4
-2
O-1
O 1
O 3
Answer: 1
Explanation:
To find f(-2), locate -2 in the x column. Then find the corresponding f(x) value. -2 is in the second row, opposite f(x) = 1, so f(-2) = 1. Thus, option C is correct.
What is function?A function from a set X to a set Y assigns exactly one element of Y to each element of X. The set X is called the domain of the function and the set Y is called the codomain of the function in mathematics.
Functions were originally an idealization of how one variable depends on another. The concept of functions was formalized in set theory at the end of the 19th century, greatly expanding the scope of the concept.
Functions are also called maps or mappings, but some authors distinguish between “maps” and “functions”. A function's range or image is the set of images of all the elements in the range.
Therefore option C is correct.
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The question is incomplete, but most probably the complete question is,
A manager wanted to test whether the amount of noise in a clothing factory affected how
much work employees accomplished. Three groups of employees were tested every day
over a 5-day period. All three groups did the same type of work, they were all equally trained
to do the work, they used the same equipment, and they were tested the same time of day.
Group one was given headphones that blocked out all of the outside noise. Group two was
given headphones that blocked out some of the noise. Group three was not given anything
to block out the noise. The number of shirts made by the employees in one hour was
determined.
What is the dependent/responding variable?
The amount of noise.
O The number of shirts made by the employee.
O The type of music the employees listen to while they work.
O The amount of training employees need.
Answer:
When seeking to determine the number of shirts made by employees subjected to noise with and without the use of headphones, the dependent variable is the number of shirts made by the employee.
Explanation:
In a study or research, the dependent variable is the result of the intervention on the independent variable, which can be modified. In the case presented, the dependent variable is the quantity of shirts made by the employees, the number of which is measured at the end of the study.
It is expected that those employees who block the noise using headphones produce a greater number of shirts than those exposed totally or partially to noise.
For the other options:
The amount of noise. This can modified by the use or not of headphones and is the independent variable, subject to modification.The type of music the employees listen to while they work. Does not represent dependent or independent variable.The amount of training employees need. It is not the variable being studied.Consider the three equations below.
'N + H2O
He + He
79 si + T He
Be
Which statement do these reactions best support?
O Beta decay occurs only in certain atoms.
O Alpha decay occurs only in certain atoms.
O Chain reactions play important roles in the process of nuclear fission.
O Nuclear fusion plays an important role in making elements that are heavier than helium.
Answer:
(D)
Explanation:
Just took the test on edge
In this three equations below, Nuclear fusion plays an important role in making elements that are heavier than helium. Hence option D is correct.
What is nuclear reaction ?There are two types of nuclear reactions. Nuclear fission and nuclear fusion.
Nuclear reactions are classified into two types: fission and fusion. Nuclear fusion is the collision of two or more light nuclei to produce a heavier nucleus. Nuclear fusion happens in low-atomic-number elements such as hydrogen. Nuclear fusion is the inverse of nuclear fission, in which heavy atoms scatter and lighter elements are produced. Nuclear fusion and fission both provide massive quantities of energy.
A nuclear process in which low-atomic-number atomic nuclei fuse to form a heavier nucleus, releasing energy.
Every star in the universe, including the sun, is alive because of nuclear fusion. As a result of this activity, they create enormous amounts of heat.
Fission is a nuclear phenomenon in which a heavy nucleus spontaneously fractures or collides with another particle, releasing energy. Nuclear fission happens when an atom's nucleus splits into lighter nuclei as a result of a nuclear process. This decay can occur naturally due to radioactive decay, or it can be mimicked in a laboratory by creating the necessary conditions (bombarding with neutrinos). The overall mass of the resulting fragments is less than that of the original. The missing mass is converted into nuclear energy in the preceding step.
hence option D is correct.
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Several groups of researchers were conducting experiments to study how exercise affects cholesterol levels. One group had college students run two miles a day for six weeks. Another group had senior citizens participate in gentle water aerobics twice a week for a year. Cholesterol levels dropped slightly among the college students but dropped significantly among the senior citizens. Based on these results, what should the researchers plan to do next to validate the findings?
Answer:
Design more studies testing the effect of duration and intensity of exercise on cholesterol levels in different age groups.
Explanation:
Based on the result, the researcher will now see if the time duration of exercises will affect the cholesterol. So, now the time variables will be interchanged for the exercise.
What is an experiment?An experiment is a scientific procedure that makes a discovery based on the hypothesis and calculations and gave a fact or result. Experiments are done to prove the hypothesis.
Here, the experiment is to control cholesterol by exercise. Two variables are taken for experimentation, one is a senior citizen performing water aerobics and the second is college students performing running.
Thus, based on the findings, the researcher will now examine if the length of exercise sessions has an impact on cholesterol. Therefore, the exercise will now swap the time variables.
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6. What is An organism like a green plant that can make its own food
Answer:
Autotrophs. An organism like a green plant that can make its own food are called an autotrophs. Autotrophs can make their own food through the process of photosynthesis. Photosynthesis is present in these organisms, a mechanism where they gather, water from the soil, heat from the sunlight though the pigment called chlorophyll and carbon dioxide in the air to manufacture and generate its own food. Autotrophs are also the primary sources of food in the food chain which contains immense amount of calories.
Explanation:
All organisms need glucose, or a source of ________, to carry out basic life functions. *
What is the force that attracts an object toward the center of another object?
O Gravity
O Mass
Matter
Pounds
Answer:
gravity
Explanation:
because well GRAVITY!!
Which word in English comes from a geek word meaning “few”
Answer:
Explanation:
Modern Greek inherits most of its vocabulary from Ancient Greek, which in turn is an Indo-European language, but also includes a number of borrowings from the languages of the populations that inhabited Greece before the arrival of Proto-Greeks, some documented in Mycenaean texts; they include a large number of Greek ...
Refers to the ability to live in a variety of environmental conditions:
O Habitat Tolerance
O Local Population Density
O Geographic Range
None of these
Answer: Habitat Tolerance
In peas, tall (T) is dominant to short (t), red flowers (R) is dominant to white flowers (r), and wide leaves (W) is dominant to narrow leaves (w). A tall, red, wide-leaved plant is crossed to a short, white, narrow-leaved plant and the progeny are as follows: tall, red, wide: 360 short, white, narrow: 360 tall, white, narrow: 89 short, red, wide: 91 tall, white, wide: 38 short, red, narrow: 42 tall, red, narrow: 11 short, white, wide: 9 Total: 1000 What is the genotype (with correct arrangement of alleles) of a tall, red, wide-leaved parent
Answer:
Tt Rr WW
Explanation:
Given:
1. tall (T) is dominant to short (t)
2. red flowers (R) is dominant to white flowers (r)
3. wide leaves (W) is dominant to narrow leaves (w)
4. Also, a tall, red, wide-leaved plant is crossed to a short, white, narrow-leaved plant
To find: genotype (with correct arrangement of alleles) of a tall, red, wide-leaved parent
Solution:
Genotype (with correct arrangement of alleles) of a tall, red, wide-leaved parent is Tt Rr WW
6. How does ATP help move substances into the cells?
a. Through osmosis
b. Through filtration
c. Through diffusion
d. Through active transport
Answer: A.
Explanation:
It was an album by Ozzie Osborn.
