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Related Questions
Which term can avoid traveling through a solid, a liquid, or a gas?
Answers
The term that can avoid traveling through a solid, a liquid, or a gas is "electromagnetic radiation" or "light."
Electromagnetic radiation: Electromagnetic radiation refers to the propagation of energy in the form of waves or particles through space. It includes various types of radiation, such as visible light, radio waves, microwaves, X-rays, and gamma rays.Traveling through solids: Solids have a tightly packed arrangement of atoms or molecules, which makes it difficult for electromagnetic radiation to pass through them. The particles in solids interact with the radiation and absorb or scatter it, preventing its transmission.Traveling through liquids: Liquids have a less rigid arrangement of particles compared to solids. While some electromagnetic radiation can pass through liquids, it may be partially absorbed or scattered due to interactions with the liquid molecules.Traveling through gases: Gases have widely spaced particles, allowing electromagnetic radiation to travel more freely compared to solids and liquids. However, certain gases can still interact with specific types of radiation, such as absorbing certain wavelengths or causing scattering.Overall, electromagnetic radiation, or light, has the unique property of being able to propagate through a vacuum, which means it can travel through space where there is no matter present, as well as through various mediums, including gases, liquids, and solids.
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Describe four ways that protist get food?
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Answer:
There are many plant-like protists, such as algae, that get their energy from sunlight through photosynthesis. Some of the fungus-like protists, such as the slime molds (Figure below), decompose decaying matter. The animal-like protists must "eat" or ingest food. Some animal-like protists use their "tails" to eat.
Explanation:
In diffusion,
A) the molecules only move if ATP is present
B) the molecules move from an area of low concentration to high concentration
C) the molecules are unable to permeate the membrane
D) the molecules of a substance spread out evenly in the space they occupy
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For instance, when a person spray his or her room, from where he or she spray will spread throughout the corners of the room
Describe the necessary steps from observing a specimen with 4X objective lens to observing the same specimen with 100X objective lens under the light microscope.
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In order to observe a specimen under 4X objective lens, the following procedures must be observed:
Set up the microscope ensuring that the lens have been adequately cleaned and the light source is workingMount the object on a slide and place the slide on the stage of a clean microscope.Switch the revolving nose piece to ensure that the 4X objective is in positionSwitch on the light sourceBring the object into focus by using coarse and fine adjustment knobs.Ensure that the image of the object is centered on the stage.In order to observe the same specimen under the 100X objective:
Switch the revolving nose piece to fix the 100x objective in place.Only use the fine adjustment knob to bring the image into focusIf the image will not resolve properly, a few drops of immersion oil may be applied to the slide to improve resolution.More on microscopy can be found here: https://brainly.com/question/13137774
1) Why does the addition of dideoxynucleotides to the DNA sequencing reaction cause DNA synthesis to stop after the modified nucleotide is added?
A)Because once a modified nucleotide is incorporated into the DNA, there is no free 5'OH group to attach the next nucleotide being added.
B)Because once a modified nucleotide is incorporated into the DNA, there is no free 3'PO4-group to attach the next nucleotide being added.
C)Because once a modified nucleotide is incorporated into the DNA, there is no free 3'OH group to attach the next nucleotide being added.
D)Because once a modified nucleotide is incorporated into the DNA, there is no free 5'PO4-group to attach the next nucleotide being added.
Answers
In Sanger sequencing, once a modified nucleotide is incorporated into the DNA, there is no free 3'OH group to attach the next nucleotide being added. This phenomenon is useful to sequence a polynucleotide chain.
Dideoxynucleotides (ddNTPs) are nucleotide inhibitors of the DNA polymerase, it is for that reason that they are used in Sanger sequencing.
The ddNTPs are similar to natural deoxynucleotides used by cells during ADN replication; however, ddNTPs lack a hydroxyl (OH) group on the 3’ carbon of the deoxyribose.
In consequence, once a ddNTP is added, DNA synthesis cannot progress, thereby this phenomenon can be used to determine the order of nucleotides during the elongation of a polynucleotide DNA chain.
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Which of the following is NOT a function of the skeletal system?
a. contraction
b. blood cell production
c. support
d. protection
Answers
Answer:
blood cell production
Explanation:
ur welcome!
b
Explanation:
it is part of the vein system
convert 30 ft to cm .......................................
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what occurs if resources within a population are limited
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Answer:
Explanation:
As resources are depleted, population growth rate slows and eventually stops,This is known as logistic growth.
why is the carbon cycle important to marine science. 4-5 sentences
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The himalayan mountains were formed baecause of a
a.convergent boundary
B.transform fault
c.hot spot
D.divergent boundary
Answers
Explanation:
because of convergent fault (B).
hope this helps you.
is plantain a tuber crop
Answers
Answer:
yes
Explanation:
Another fact is that the Banana plant is one of those perennial plants whose parts can be used as food, starting from its fruits-the bananas to its roots tubers. Banana tubers have been used as food mostly in states like Uganda, Indonesia, and also India.
why is it important to know the beginning of the universe and the solar system?
Answers
Answer:
In the process of exploring the birth of the earliest galaxies in the universe, to understand the planetary systems, explore planets that are capable of supporting life, and to learn whether life began elsewhere in the solar system have helped us advance and build our civilization.
A person jogging from the forest to the office covers the 6,800
meters in 2 hours. Their speed is not constant and they slow down
and speed up at various times. What is their average velocity?
Round the answer to the hundredths place if necessary.
a 1.9 m/s north
b. Impossible to calculate since the speed wasn't constant.
C. 0.9420/s north
d. 56.67 m/s north
e. 1.34 m/s north
f. 0.56 m/s north
Answers
[tex]\\ \sf\longmapsto Avg\: Velocity=\dfrac{Total\: displacement}{Total\:time}[/tex]
[tex]\\ \sf\longmapsto Avg\: Velocity=\dfrac{6800}{7200}[/tex]
[tex]\\ \sf\longmapsto Avg\: Velocity=0.9420m/s[/tex]
Answer:
0.9420m/s north
Explanation:
Given,
Displacement (Total) = 6800 metres(m)
Time = 2 hours
We need to convert hours to seconds.
2 hours = 7200 seconds
We know,
[tex]\sf\longmapsto \: Average \: velocity = \frac{Total \: Displacement}{Total \: time} [/tex]
Let's start solving!
[tex]\sf\longmapsto \: Average \: velocity = \frac{6800 \: metres}{7200 \: seconds} [/tex]
[tex]\sf\longmapsto \: average \: velocity = 0.9420\: m/s[/tex]
Plants absorb carbon during which process?
A. Transpiration
B. Absorptive Synthesis
C. Respiration
D. Photosynthesis
Answers
Answer:
photosynthesis
Explanation:
this is because, plants use the carbon dioxide to prepare their own food through photosynthesis
when a plant sweats or emits water is called
Answers
Answer:
Overall, this uptake of water at the roots, transport of water through plant tissues, and release of vapor by leaves is known as transpiration
Explanation:
transpiration
Hope this helped you- have a good day bro cya)
Lwhat is the length between basepairs in nieocleoid of e.coli
Answers
Answer:
As the length of a complete turn of a double helix is 3.4 nm long and each of them contains 10 base pairs, we can determine the distance between two consecutive pairs by simply dividing the length of the complete turn by the number of base pairs in it. The distance 3.410nm i.e. 0.34 nm. Note: Even though E.
PLS ANSWER NOW THANK YOU :):) NEED HELP QUICKIn
1-2 sentences, describe the process of deposition and explain how it creates new landforms. :):)
Answers
Deposition is the geological process in which sediments, soil and rocks are added to a landform or landmass. Simply when layers of eroded material pile to create new landforms. For example, coastal deposition is how beaches are formed.
The geological process of deposition involves the addition of sediments, soil, and rocks to a landform or landmass. when eroded debris is piled up in layers to produce new landforms.
What is deposition?A deposition is testimony made under oath and taken down in writing by an authorized officer of the court, typically in an out-of-court setting and before trial.
Depositions are usually taken from key witnesses, but can also involve the plaintiff or defendant, to give the involved parties a fair preview of all the evidence.
The individual making the deposition is known as the deponent and false statements can carry civil and criminal penalties.
Therefore, The geological process of deposition involves the addition of sediments, soil, and rocks to a landform or landmass. when eroded debris is piled up in layers to produce new landforms.
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Hello,
Can someone re-word this well for 50 points?
"The lab allowed me to model and observe stream and river processes. Using a virtual model, I compared low and high velocity streams or rivers, low and high gradient streams or rivers, and low and high volume streams or rivers. I found that higher velocity streams or rivers can cause more erosion, as do higher gradient and higher volume streams or rivers. Not only did these factors move more small sediment, they also moved larger pieces of sediment."
Answers
Answer:
Explanation:
This lab here allowed me to model and notice the stream and river processes. I found that higher celerity streams or rivers can cause more abrasion, as do higher gradient and higher volume streams or rivers. Not only did these factors move more small sediment, they also moved bigger pieces of the sediment rock.
2. Where is the element Carbon found in Photosynthesis?
Answers
Answer:
At land
Explanation:
Carbon is a raw material for photosynthesis, in the form of carbon dioxide. Green plants use it to make vital organic compounds. On the land, plants get the carbon they need as a gas from the air. In water, plants ranging from seaweeds to phytoplankton are supplied by dissolved carbon dioxide, CO2.
What is the expected ratio of coat colors in the offspring of two palomino horses
Answers
Answer:
25% DD dominant, 25% dd, 50% Dd
What statement describes a controlled experiment
Answers
Answer:
What is a controlled experiment? This is when a hypothesis is scientifically tested. In a controlled experiment, an independent variable (the cause) is systematically manipulated and the dependent variable (the effect) is measured; any extraneous variables are controlled.
Explanation:
Hope it helps
What was the universe immediately before the Big Bang occurred?
a black hole
a singularity
a super spiral galaxy
a mass of antimatter
Answers
the answer is a black hole
The universe immediately before the Big Bang occurred as a black hole. Thus, the correct option is A.
What is the Big bang?The big bang may be defined as the cosmic explosion that significantly marked the initiation of the universe according to the big bang theory. The origin of the universe is explained by the Big Bang theory.
At initial, the whole universe appeared like a black hole where no life is present. It was all the dark around each and every corner. The universe was an infinite stretch of ultrahot, dense material and everything consisted of empty space.
Before the big bang, the universe was almost infinitely small, dark, and a size less than a trillionth of a second. It was a period of inflation which is followed by a more catastrophic event which was violent, and known as the period of expansion.
Therefore, the universe immediately before the Big Bang occurred as a black hole. Thus, the correct option is A.
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solve the crossword usings hints below
.........................
Answers
Answer:
1. Snail
2. Leukemia
3. Haemoglobin
4. Vertebrate
5. Fracture
6. Femur
7. Cockroach
9. Respiration
Most people have observed it "rain" in the produce department of grocery stores, where water sprays green leafy
vegetables from a misting system. How does this practice help to keep vegetables fresh and crisp?
A)
-B)
Extra water makes plants shiny, increasing the likelihood that consumers
will purchase the plants.
Extra water creates a hypotonic solution around plant cells, which causes
water to diffuse into the cell creating turgor pressure.
Extra water creates a hypertonic solution around plant cells, which causes
water to diffuse out of the cell plasmolysing the cells.
Extra water creates an isotonic solution around plant cells, which causes
water to diffuse into and out of the plant cells making them flaccia,
D)
Answers
Answer:
B is the answer
Explanation:
I just took the test
During meiosis, when do the sister chromatids separate?
a
Metaphase I
b
Metaphase II
c
Anaphase I
d
Anaphase II
Answers
Answer: During metaphase, each of the 46 chromosomes line up along the center of the cell at the metaphase plate. Anaphase: During anaphase, the centromere splits, allowing the sister chromatids to separate.
Explanation:
Coral reefs are home to a quarter of all marine species on earth. what is one consequence of declining coral reefs?
Answers
Answer:
Marine life decreases and the food chain will have e a drastic change as well
Can you help me with this question?
Answers
Answer:
Explanation:
I DONT KNOW THE ANSWER
1. A rock sample has a mass of 16 grams:
and a volume of 8 cubic centimeters.
When the rock is cut in half, what is
the volume and density of each piece?
(1) 8 cm3 and 0.5 g/cm3
(2) 8 cm² and 1.0 g/cm3
(3) 4 cm' and 2.0 g/cm3
(4) 4 cm3 and 4.0 g/cm3
1
Answers
Answer:
(3) 4 cm' and 2.0 g/cm3
Explanation:
Given:
volume= V= 8 cm³
mass= m= 16 g
The density is the mass per volume of a substance, so the density of the rock is:
density= d= 16 g/8 cm³= 2 g/cm³
When we cut the rock in half, we have a half volume and a half mass:
V= 8 cm³/2= 4 cm³
m= 16 g/2= 8 g
But the density is not altered because it is an intrisic property - it does not change with the amount of subtance. Thus, the density of a half rock is:
d = m/V= 8 g/4 cm³= 2 g/cm³
Chloroplasts and mitochondria are both involved in energy conversion in cells and share many similarities. Differentiate between chloroplasts and mitochondria. Choose ALL of the characteristics that apply ONLY to chloroplasts.
A) contain DNA B) found in plants C) contain pigments D) used in photosynthesis E) used in aerobic respiration
Answers
Explanation:
contain pigments c and used in photosynthesis
The main difference between chloroplasts and mitochondria are contained pigments, used in photosynthesis. The correct options are C and D.
What are chloroplast and mitochondria?The organelle found inside the cells of plants is known as a chloroplast. Additionally, there are particular algae that serve as the photosynthesis sites, where the sun's energy should be converted into chemical energy for the sake of growth. In addition to being employed in photosynthesis, it also contains pigments.
Membrane-bound cell organelles known as mitochondria (mitochondrion, singular) produce the majority of the chemical energy required to fuel cellular metabolic operations.
Therefore, the correct options are C) containing pigments and D) used in photosynthesis.
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How does biodiversity affect humans?
Answers
Biodiversity affects humans by: underpins the health and has a direct impact on all of our lives. To summarize reduced biodiversity means millions of people face a future where food supplies are more vulnerable to pests and disease, and where fresh water is in irregular or short supply. For humans that is worrying.