Answer:
structure that identifies the cell / recognizes stuff around the cell. hypotonic. having less solute molecules than cytoplasm of a cell / having a lower ... movement of molecules from low to high; uses transport protein; requires energy ... movement of molecules from high concentration to low concentration; no energy required.
Explanation:
Why does milk have to be kept in refrigerator
Answer:
so it dont spoil
Explanation:
Which of the following statement are true? Select all the apply. A compass needle is affected by Earth's magnetic field. A magnetic field is strongest at the poles. Earth's geographic North Pole is also its magnetic North Pole. Electrons are responsible for generating magnetic fields
Answer:
A compass needle is affected by Earth's magnetic field.
A magnetic field is strongest at the poles.
Explanation:
An element or a substance that attracts other metals is called a magnet. In magnet there are two poles, these poles are as follows:-
South poleNorth poleThe correct option for the question is A.
The earth also behaves like a magnet and it has two poles just like a magnet.
When a needle is placed in water it deflects because of the magnetic effect of the earth.
Hence, the correct option is A that is a compass needle is affected by Earth's magnetic field. A magnetic field is strongest at the poles.
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what are electromagnetic waves
Answer:
Electromagnetic waves are formed when an electric field comes in contact with a magnetic field. They are hence known as 'electromagnetic' waves.
Explanation:
Answer:
they are basically electromagnetic radiation which refers to the electromagnetic field. they propagate through space carrying electromagnetic radiant energy. they include radio waves, microwaves, infrared waves, light, ultraviolet, x-rays, and gamma rays.
Part D
The Sun has a diameter of approximately 1,391,400 kilometers. How big would the Sun be in your scaled-down model of the solar system? Explain how you scaled the Sun’s diameter to fit into your model, and describe how its size compares to the planets.
Answer:
About 100 times more than other planets.
Explanation:
The Sun would be about 100 times bigger than the earth planet in the scaled-down model of the solar system because in the reality the size of sun is 109 times more than the earth so making a model more perfect and nearer to reality we have to maintain the diameter of the sun more than 100 times than the earth and other planets.
Draw and/or list examples of at least ten things we need energy to power
Answer:
1. Car
2. Phone
3. TV
4. Microwave
5. Washing Machine
6. Oven
7. Planes
8. Laptop
9. Lamp
10. Hairdryer
We need energy to power following things:-
Clothing iron,Hair dryer,HumidifierToaster ovenCoffee makerVacuum cleanerMicrowaveDishwasherPortable heaterBlenderWhat is energy?Energy is the capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other forms.Examples of these are: light energy, heat energy, mechanical energy, gravitational energy, electrical energy, sound energy, chemical energy, nuclear or atomic energyTo know more about energy here
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With the help of circulatory it produce blood cells.
A. Excretory
B. Muscular
C. Endocrine
D. Skeletal
Answer:
Skeletal
Explanation:
Think about the bone marrow.
Answer:
D. Skeletal
Explanation:
blood cells are formed in the red bone marrow of bones. Stem cells in the red bone marrow are called hemocytoblasts. They give rise to all of the formed elements in blood. If a stem cell commits to becoming a cell called a proerythroblast, it will develop into a new red blood cell.
What is the tarantula scientific name
Answer:
Theraphosidae
the human cheek cell surrounded by oral bacteria, how does the human cell compare in size to the bacteria surrounding it?
Answer:
answer is c
Explanation:
.[tex]\sqrt{x}[/tex]
Human red blood cells can live from two to four months without a nucleus, and yet they continue to synthesize hemoglobin. This Group of answer choices is a chemical process that does not require continued living pathways; the red blood cells are essentially dead after they lose their nuclei. suggests that there is a low level of RNA polymeraseto degrade the mRNA. means that the necessary ribonucleases are continually translating DNA. means that both the necessary mRNAs must persist and there must be a low level of RNA-degrading enzymes present.
Answer:
means that both the necessary mRNAs must persist and there must be a low level of RNA-degrading enzymes present
Explanation:
Mature red blood cells (also known as erythrocytes) don't contain nuclei. The red blood cells that enter the bloodstream eject their nuclei in order to have more space for transporting hemoglobin, a protein whose main function is to bind molecular oxygen. Erythrocytes have a life span period of three (3) to four (4) months. During this period, the mRNA of the hemoglobin genes must remain intact in order to synthesize hemoglobin proteins (i.e., their subunits). Moreover, in mature red blood cells, the levels of the enzymes involved in the degradation of cytoplasmic mRNA (ribonucleases) must also be low to avoid bulk mRNA degradation.
In the image is the blood hypertonic, isotonic, or hypotonic compared
to the matrix of the brain?
Answer:
Hypotonic
Explanation:
there is less concentration in the blood compared to the brain
Answer:
Hypotonic
Explanation:
the blood is hypotonic compared to the matrix of the brain because it has less solutes than the matrix
Directions: Drag each label to the correct location on the diagram.
Robin hits a baseball. While it is flying, it has both kinetic and gravitational potential energy. As it moves, its kinetic and gravitational
potential energy change, but its total energy does not change. There is no air resistance.
At which point of the ball's flight does it reach it's maximum gravitational potential energy (max potential) and maximum kinetic energy (max
kinetic)?
Answer:
Picture
Explanation:
Study Island
The points at which max potential and max kinetic energy is the last second point away from the boy is max potential and the last point is the max kinetic.
What are max potential and max kinetic energy?The product of an object's mass (m), gravitational acceleration (g), and height is its potential energy (PE) (h). Maximum kinetic energy is the amount of energy present when both the speed and the potential energy are at their highest levels.
The boy is batting the ball and the ball went to the highest point is the max potential energy, then when the ball goes into the distance is called the max kinetic energy.
Therefore, maximum kinetic and potential energy are present at the final point and the mid or in the diagram, the 4th point respectively.
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Which feature is found in both cartilage and bone ?
Answer:
The features that are found in both cartilage and bone are, living cells embedded in a matrix
Explanation:
Answer:
it would be the nose
Explanation:
A natural disaster is an example
of what type of density factor?
A. density dependent
B. limiting factor
C. density independent
Answer:
A. density dependent is the answer
Answer: density dependent
Explanation:
Investigator Sheer is testifying about DNA evidence she found at the crime scene that matches the suspect on trial. The prosecutor asks Investigator Sheer to explain her conclusion that the DNA samples matched.
What would be a good explanation for her to give to the jury?
That at least 10 different points on the two samples matched
That the DNA profile matches someone with the suspect's hair color and skin tone
That she found one point that matched on the two DNA samples
That the DNA samples showed no clear points in common
1.) A swollen guard cell is called
2.) A flat guard cell is called
Swollen =Turgid
Flat =Flaccid
When the two guard cells are turgid (swollen with water), the stoma is open, and, when the two guard cells are flaccid, it is closed.
To assist in completing this question, you may reference the Animated Technique Video - Gel-Filtration Chromatography. Consider a mixture of four proteins with various molecular weights. A histone molecule weighs 15 kDa, a p53 molecule weighs 53 kDa, an actin molecule weighs 42 kDa, and an IgG molecule weighs 150 kDa. Arrange the molecules in order of their elution from a gel filtration column
Answer:
IgG molecule, p53 molecule, actin molecule, histone molecule
Explanation:
In a Gel-Filtration chromatography, the larger molecules elude faster from the gel than the small ones.
In a Gel-Filtration chromatography, there is a stationary phase and a mobile phase. The stationary phase has beads with pores. Small molecules enter the beads and descend through these beads' pores. On the other hand, large molecules do not enter the beads' pores, so they go down through the mobile phase faster than the small molecules. Since they do not have the obstacle of the pores, they descend between the beads more fluidly. As a result, the larger molecules elute first from the gel than the small molecules.
Which answer helps to explain why carbon atoms tend to make 4 covalent bonds
Answer:
Carbon atoms tend to make 4 covalent bonds because the valence shell needs 8 electrons.
Explanation:
For atoms to be stable, they must have filled outermost energy shells called valence shells. This is called the octet rule.
The most recent evidence supporting the theory of plate tectonics would include
A)
GPS monitoring of plate speeds and movements.
B)
the WWII discovery of paleomagnetic reversals.
0)
the 1963 mapping of the tectonic plate boundaries.
D)
C-14 dating of marine fossils found in the Himalayas.
Answer: The answer is A GPS monitoring of plate speeds and movements.
Explanation:
Nucleic Acid, protein, lipid, and carbohydrate are example of
Answer:
Biological macromolecule
Answer:
Biological macromolecule
Explanation:
Write a lab report for this lesson’s lab. Be sure that your report:
includes all major elements of a lab report.
meets your teacher’s content and format expectations.
is clearly organized and formatted.
demonstrates strong scientific reasoning and writing
this is about : Building Proteins from RNA
Hello. It is not possible to make a report of your class in the laboratory, without having attended that class. For this reason, I will show you how this report can be written. I hope it helps you.
You should start your report with an introduction. This will be a short paragraph, where you will present the laboratory where the class was held, the time and date. Then you will give a brief presentation of what was observed during that class.
In a second paragraph, you will start by explaining better, all the elements of the class, what was discussed and what equipment was used. You should also show all the activities done in the laboratory in the most detailed way possible. This paragraph can be divided into more than one paragraph, if you have a lot of information to tell.
Finally, you should end the report with a conclusion, showing what you have learned from this experience.
Below are two sequences of a segment of DNA.
Normal sequence TGA CAC TAG
Mutated sequence TGA CCT AG
Which type of mutation has occurred?
Choose 1 answer:
Deletion mutation
Nonsense mutation
Insertion mutation
Substitution mutation
Answer:
Deletion mutation
Explanation:
The mutated sequence shows the deletion of adenine (A) from the second codon.
Answer: insertion mutation
Explanation:
Discuss the adaptations that have enabled flowering plants to overcome the following problems associated with life on land. Be very specific in your description of the adaptations which help angiosperm survive in a land based environment as opposed to an aquatic environment. There are multiple adaptations. Study this before trying to write so that you can include a variety of features. a) The absence of an aquatic environment for reproduction. b) The absence of an aquatic environment to support the plant body c) Dehydration of the plant
Answer:
a) specialized structures and organs for reproduction (flowers)
b) lignin in the xylem
c) waxy cuticle, stomata
Explanation:
a) Angiosperms have flowers, which are specialized reproductive organs. Flowers contain specialized reproductive cells (i.e., pollen cells) which can be dispersed by wind or animals.
b) Plant tissues can be covered by a waxy cuticle that helps to conserve water and tiny pores called 'stomata' in the epidermis that close in order to prevent water loss.
c) Finally, the xylem in land plants provides mechanical support. The cell walls of the xylem are composed of lignin, an organic substance that provides structural rigidity to the plant fibers.
Answer:
A) The absence of an aquatic environment for reproduction.
Pollination. Flowers are developed in order to reproduce, flowers help by attracting animals to pollinate (pollination aids). Pollen for males, seed for females. The seeds are coated with a hard outer layer to protect it. Fruits are made so animals can it them and the seeds will spread by the means of their feces. Seeds can be dormant for a long time.
B) The absence of an aquatic environment to support the plant body.
Roots to help hold to the ground, stems for support, vascular tissue to help hold shape, cell walls more rigid, turgor pressure.
C) Dehydration of the plant.
The cuticle was developed, a waxy outer layer found in the leaves to prevent water from leaving the plant. Stomates control water movement, in trees scales and cork help keep water in. Xylem transports water.
Explanation:
Hope this helps!
the average weather pattern taken over a long period of time is called ............. of that place.
Answer:
Climate
Explanation:
Jellyfish are not actually fish but small organisms that
float in water.
True
False
Answer:
True
Explanation:
Jellyfish are not fish because a fish is a vertebrate; a jellyfish is an invertebrate.
Joel notices that there is not much difference between low and high tide. what is happening?
Please be nice
Answer:
This is the spring tide: the highest (and lowest) tide. Spring tides are not named for the season. This is spring in the sense of jump, burst forth, rise. So spring tides bring the most extreme high and low tides every month, and they always happen – every month – around full and new moon.
Explanation:
This is the result of or response to changing the manipulated variable.
Answer:
Responding or dependent variable
Explanation:
is the human population growth also a factor. for. causing deforestation? justify your answer giving reason
Answer:
Population growth, combined with other direct factors such as poverty, corruption, and weak property rights, contributes to forest loss and severe environmental degradation. Demand for forest and agricultural products to feed growing rural and urban populations will continue to put pressure on forests.
Explanation:
what is the role of advertisement in your life as a student
Answer:
MY PARENTS ARE THE SOURCE OF EVERYTHING THAT I HAVE IN LIFE...
Explanation:
THEM ACHIEVING THINGS IS WHAT GIVES ME INSPIRATION AND MOTIVATION TO DO THE SAME IN THE FUTURE.
What substance is a gas at -120°C?
carbon
phosphorus
xenon
arsenic
nitroge
Answer:
nitrogen
Explanation:
hope it helps u
Write a first-person story entitled “Life as a Blade of Grass." Be creative, but make sure to be anatomically and physiologically accurate.
Answer:
mentioned in book
Explanation:
see in book
