Answer:
A (Solution 1)
Explanation:
Since both solutions have an equal volume but Solution 1 has a greater amount of solute (100 g in Sol. 1 > 90 g in Sol. 2), Solution 1 is more concentrated.
what are osteoblasts and osteoclasts? Describe how these cells work together in a healthy person. What can occur if these processes are unbalanced?
Answer:
Osteoblast and osteoclast are the two main cells participating in those progresses (Matsuo and Irie, 2008). Osteoclasts are responsible for aged bone resorption and osteoblasts are responsible for new bone formation (Matsuoka et al., 2014). The resorption and formation is in stable at physiological conditions.Answer:
Osteoclasts are cells that dissolve bone and osteoblasts are cells that form new bones.The building up and breaking down of the bone tissue aids in strengthening bones. If bone destruction by osteoclasts happens faster than new bone tissue is built by osteoblasts, this can cause problems for a person.
How do extrusive igneous rocks differ from intrusive igneous rocks?
Answer:
The difference between intrusive and extrusive igneous is that, intrusive rock is one that forms when magma cools within Earth. Extrusive igneous rock is one that, forms when lava cools on Earths surface.
Which positive feedback process is linked to Milankovitch cycles
A.Blackbody radiation feedback
B.Radiative forcing
C.Axial precession
D.Ice-albedo feedback
Answer:
Ice-albedo feedback
Explanation:
:)
Answer:
Ice-albedo feedback
Explanation:
Ice–albedo feedback is a positive feedback climate process where a change in the area of ice caps, glaciers, and sea ice alters the albedo and surface temperature of a planet. Ice is very reflective, therefore some of the solar energy is reflected back to space. Just took the test, hope you all pass too. <3
Which group is within the Domain Eukarya?
a. Bacteria
c. Fungi
b. Archaea
d. Halophiles
Answer:
C)Fungi
Explanation:
Domain Eukarya is made up of eukaryotes/ multicellular organisms. The following organisms are all prokaryotes/unicellular, so fungi is the answer.
grphene is a form of ?
Answer:
Graphene is a two-dimensional carbon allotrope. It is composed of carbon atoms positioned in a hexagonal design, which can be said to resemble a chicken wire. A single layer of carbon atoms arranged in such a honeycomb structure forms a single graphene sheet.
Explanation:
How do television stations broadcast live video across the entire world simultaneously? Please me help!!!
Answer:
Television broadcasting
The transmission of visual images of moving an stationary objects, generally with accompanying sound, in the form of electromagnetic waves that when received can be reconverted into visual images.
Very high frequency (VHF)
A band of radio frequencies falling between 30 and 300 MHz; VHF signals are widely employed for television and radio transmissions. In the United States and Canada, television stations that broadcast on channels 2 through 13 use VHF frequencies, as do FM radio stations. Many amateur radio operators also transmit on frequencies within the VHF band.
Telecasting on television electromagnetic transfer of moving or still objects' visual pictures, usually accompanied by sound, which, when received, can be transformed back into visual images, they broadcast on VHF and UHF frequency channels.
What is VHF in television broadcasting?Very high frequency (VHF), They broadcast on VHF and UHF frequency channels. Due to the fact that radio waves at these frequencies travel along lines of sight, their reception range is constrained by the horizon to between 40 and 60 miles, depending on the height of the transmitter station.
VHF signals, a range of radio frequencies between 30 and 300 MHz, are often used for radio and television transmissions. VHF frequencies are used by FM radio stations as well as television stations that broadcast on channels 2 through 13 in the United States and Canada.
Therefore, telecasting on television electromagnetic transfer of moving or still objects' visual picturesThey broadcast on VHF and UHF frequency channels.
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Which energy source would provide the cheapest electricity for a factory?
Answer:
Gas Generators
Explanation:
My main organs are the heart and blood vessels.
What am I?
Answer:
cardiovascular system
Explanation:
Question 20 of 25
What kind of substance is made up of neutral atoms or molecules and
changes its shape and volume when placed in a new container?
A. Solid
B. Gas
C. Plasma
D. Liquid
Answer:gas
Explanation:
Select the correct answer.
Which circuit is a series circult?
ОА. .
HA
OB.
40
C.
Answer:
B or c
Explanation:
What are the 5 stages of DNA replication?
Answer: Step 1: Replication Fork Formation
Step 2: Primer Binding
Step 3: Elongation
Step 4: DNA Pol I exonuclease
Step 5: Termination
Explanation:
Which is NOT a process that introduces genetic variability in meiosis?
A. Cytokinesis
B. Crossing over
c. Law of segregation
D. Independent assortment
1. What are lipids , protein, carbohydrates and nucleic acid?
describe each structure in one to two sentences.please need ko answer guys
Answer:
Lipids are long chains of carbon and hydrogen molecules. They are oily or waxy.
Proteins are large molecules consisting of one or more chains of amino acids. They provide structure and support for cells.
Carbohydrates are mainly sugars and starches that the body breaks down into glucose. They are the main source of energy in animals.
Nucleic acid is an important class of macromolecules found in all cells and viruses. The functions of nucleic acids have to do with the storage and expression of genetic information.
Explanation:
A virus's specificity to infect only certain tissues is known as ___.
tissue tropism
specialized transduction
lysogeny
vector specificity
Answer:
100% sure it's tissue tropism.
Explanation:
Eukaryotic cells undergo mitosis, which produces two identical daughter cells. These cells are identical to each other and to the original parent cell. From the options below, select ALL of the reasons why a eukaryotic cell undergoes mitosis.
A) asexual reproduction
B) growth of the organism
C) repair of damaged cells
D) replacement of lost cells
E) production of gametes for sexual reproduction
Answer:
growth of the organism
asexual reproduction
replacement of lost cells
repair of damaged cells
Explanation:
Correct on usa test prep
The formation of a new cell from the old cell is called cell division. There are two types of cell division.
The correct answer is C.
A cell division that has the same number of chromosomes as the parent cell is called mitotic cell division. The purpose of mitosis is to increase the number of cells to form a tissue.
The increase in the number of cells helps to make the tissue and repair the damaged cell.
Hence, the correct option is C that is a repair of damaged cells
For more information, refer to the link:-
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Some aquatic organisms that live in cold environments similar to that of the crabs have multiple forms of certain enzymes that catalyze reactions at various temperatures. Explain how having multiple forms of the enzymes would contribute to the fitness of these organisms. Both adult and juvenile red king crabs can be found in ocean water of a different salinity and osmolarity than their body tissues are. Explain why it is important to the crabs that they can regulate the osmolarity of their tissues.
Answer:
To maintain homeostasis.
Explanation:
It is important for the crabs that they can regulate the Osmoregulation of their tissues because they needs to maintain the homeostasis of the organism. This osmoregulation also maintains the concentration of water content and solutes in the body of crabs. So we can say that for maintaining balance in the body osmoregulation is very important for crab's tissues .
Next, several biochemical tests are run to further identify the microorganism. Lactose fermentation is run for 24 hours at 37⁰C in lactose broth containing a Durham tube and phenol red indicator. The result shows a red broth with no air bubbles in the Durham tube.
What do these results mean in terms of this microorganism’s ability to ferment lactose?
Answer:
The organism is not a lactose fermenter.
Explanation:
The result means that the microorganism was not able to ferment lactose.
The lactose fermentation test is conducted to test the ability of a bacterium to utilize the carbohydrate, lactose, as its carbon source. A bacterium that is positive for this test would be able to ferment lactose to produce lactic acid.
In order to conduct the test, a pure culture of the microorganism is inoculated in phenol red lactose brought and incubated at the optimum temperature for about 24 hours. If the organism is able to ferment lactose, lactic acid and carbon dioxide gas would be produced. This means that the phenol red indicator would color to yellow from red and the Durham tube would contain air bubbles.
In this case, there was no change in color of the indicator nor production of gas in the Durham tube. Hence, the microorganism is concluded to be a non-lactose fermenting one.
with reference to evolution of long neck in giraffe explain how natural selection brings about adaptation of species to its environment
Answer:
Explanation:
In order to reach specific items of food that meet the dietary needs of the giraffe, they must reach for food up in the trees. Giraffes with longer necks are open to a wider array of food whereas the short necked giraffes are limited. The longer neck is seen to be more favorable. When a trait is more favorable, it has a higher likelihood of being passed on. The less favorable traits are eliminated or "weed" out and the taller giraffes mate with other tall giraffes, generating a greater population with this trait. Again, it is solely dependent on what is available around them and their surroundings.
Hope this helps!
Question 2: Symbiosis Symbiosis is another type of two-species interaction. It literally means living together, and refers to pairs of species that live in close physical proximity with the other species for a major part of their life cycles. Some examples of symbiosis: You and the microorganisms that live in your intestines; bark beetles burrowing in pine tree trunks; Monarch butterfly caterpillars and milkweed plants; and algae living in coral tissues. Can you think of any symbiotic interactions that are commensal or parasitic
Answer:
Commensal= mites and larger insecta who fly. Hermit crabs and shells of other organisms. Remora fish and whales. tree frogs and plants.
Parasitic= tick and dogs, tapeworm in humans, Barnacles and whales
Explanation:
Commensalism is when one species benefits and the other is neither helped or harmed. Parasitism is when one benefits and the other is harmed.
During cellular respiration, is energy absorbed or released? Explain
Answer:Dont worry im here to help!
Yes energy is released
Explanation:
"Energy released during the reaction is captured by the energy-carrying molecule ATP (adenosine triphosphate)."
What is the function of the respiratory system?
o elimination of wastes
O transport of blood
O nutritional support
o transfer of gases
***ANSWER ON EDGE: TRANSFER GASES***
which drscribes the most direct function of the nostrils?
*** ANSWER ON EDGE: permits air to enter the body ***
Answer: D. transfer of gases and the second one is also D. permits air to enter the body
Explanation:
Right answer on edg
Answer:
1. D
2. D
Explanation:
both D haha 100%
(90 POINTS) The three points of cell theory correspond to which signs of life?
point 1. All living things
are composed
of cells.
point 2. Cells are the
fundamental
units of life.
point 3. All cells come
from other
cells.
A. Reproduction and one or more cells
B. Response to the environment and information system
C. One or more cells and information system
D. Information system and complex chemical activities
Answer:
A) I think
Explanation:
Answer:
b
Explanation:
What goes into a cell during Cellular respiration? Give me a simple answer, I'm in 6th grade!
Answer:
Oxygen and glucose.
Explanation:
Cellular respiration can be defined as a series of metabolic reactions that typically occur in cells so as to produce energy in the form of adenosine triphosphate (ATP). During cellular respiration, high energy intermediates are created that can then be oxidized to make adenosine triphosphate (ATP). Therefore, the intermediary products are produced at the glycolysis and citric acid cycle stage.
Additionally, mitochondria provides all the energy required in the cell by transforming energy forms through series of chemical reactions; breaking down of glucose into Adenosine Triphosphate (ATP) used for providing energy for cellular activities in the body of living organisms.
Basically, oxygen goes into the body of a living organism such as plants, humans and animals when they breathe while glucose is absorbed by the body when they eat.
Hence, oxygen and glucose goes into a cell during Cellular respiration and as such are known as the reactants.
Fossils of the same type and same age have been found on different continents. If we were to put South America and Africa together, these fossils would even be in the same area! What does this tell us? How could this happen?
Can some one help me plz
Answer:
there have been several cases where fossils of the same type and age where found on different continents.
For example:-
"The Mesosaurus" which is an extinct genus of reptile from the Early Permian and was found in the continents of southern Africa and South America.
This seems to point to the fact that once all the continents were togethe, and they are now separate due to the Continental drift. ( the theory that states that all the continents were earlier one big form of landmass, but they have moved away from each other thus appearing to have "drifted" across the ocean bed."
But again these are all just theories and speculations but findings like these strengthen them and make people believe in these theories. They haven't exactly been confirmed. Like the evolution theory.
i hope this helps.
have a great day ahead :)
In meiosis, you end up with half the number of chromosomes and that makes sense because you get 23 from your dad and 23 from you mom to form YOU.
Answer:
Yes
Explanation:
Mendel's law of segregation states that every individual possesses two alleles, and only one allele from each parent is passed on to the offspring. That means that you get 23 chromosomes from each of your parents.
Waste , water , and enzymes are stored at which structure?
Answer: I believe the answer is vacuole.
Explanation: Vacuoles are fluid-filled organelles used mainly as storage compartments. Depending on the cell type, they can hold things like enzymes, waste, food, and water!
Hope this helps! ^^
I saw that rock from the mantle is added to the edges of both plates at (convergent / divergent) plate boundaries, where the plates move (toward / away from) each other.
Answer:
I saw that rock from the mantle is added to the edges of both plates at CONVERGENT plate boundaries, where the plates move AWAY FROM each other.
Explanation:
:)
Which image represents cytokinesis in an animal cell?
The 2 I'm choosing between....(I saw mixed responses on brainly and just want to check my answer)
Explanation:
The first diagram (a little shapeless) represents cytokinesis in an animal cell
Answer:
hi it is b
relly it is i am not lyinggggggggg
which 2 processes are directly responsible for the growth and development of a butterfly?
Answer:
development, growth and reproduction that a living thing goes through.
Explanation:
A life cycle refers to the stages of development, growth and reproduction that a living thing goes through. Every butterfly goes through four stages of development: (1) egg, (2) larva, (3) pupa and (4) adult. This process of development is called metamorphosis.
The two processes that are directly responsible for the growth and development of a butterfly are metamorphosis and molting.
What is Metamorphosis process?Metamorphosis is the process by which a butterfly develops from an egg to a larva (caterpillar), then to a pupa (chrysalis), and finally to an adult butterfly. During this process, the butterfly undergoes significant changes in its body structure, behavior, and diet.
Molting is the shedding of the outer layer of skin (cuticle) that allows the butterfly to grow and develop. The caterpillar undergoes several molts as it grows, shedding its skin and developing a new, larger one.
Each molt allows the caterpillar to increase in size and change in appearance as it progresses through its developmental stages.
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Which of these best compares the conditions at Location X and Location Y?
A. It is day at Location X and night at Location Y.
B. It is winter at Location X and summer at Location Y.
C. There are more hours of daylight at Location X than at Location Y.
D. The moon is brighter when viewed from Location X than when viewed from Location Y.
Answer:
B. It is winter at Location X and summer at Location Y.
Explanation:
