a piece of dna that can be radioactively labeled and is complimentary to a known DNA sequence
Answer:
Radiolabeled nucleotides
Explanation:
Radiolabeled nucleotides are commonly used for detection of specific nucleic acid.They are typically incorporated enzymatically into DNA and RNA sequences.
Two bacterial daughter cells about the same size with identical DNA may be formed by the process of
Answer:
mitosis
Explanation:
1. What is acid rain?
A Rain which is acidic
B Burns caused by acid
C
Acid leakage from
factories D
A rare phenomenon that
occurs in the arctic
regions
Answer:
C
Explanation:
I hope this helps
Which represents the size of a population?
Answer:
the answer is A
Explanation:
18. In which type of relationship do both organisms benefit? (2 point)
commensalism
parasitism
mutualism
predation
Answer:
mutualism
Explanation:
State two uses of fats to living organisms
Answer:
they act as messengers, helping proteins and do their job
The two uses of fats in living organisms are as follows:
They are actively involved in the storage of energy for metabolic functions. Fats generally insulate us and protect our vital organs.What are Fats?Fats may be characterized as a type of naturally occurring chemical substance that significantly describes a class of macronutrients utilized in metabolism called triglycerides.
Fat usually means any ester of fatty acids, or a mixture of such compounds, most commonly those that occur in living organisms. These groups of macronutrients are generally involved in the storage of energy for metabolic functions.
Triglycerides, cholesterol, and other essential fatty acids are the scientific term for fats the body can't make on its own in order to store energy, insulate us and protect our vital organs. They act as messengers, helping proteins do their jobs.
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microtubule structures that help separate the chromosomes during mitosis
Answer:
O fuso mitótico
Explanation:
fuso é uma estrutura feita de microtúbulos, fibras fortes que são parte do "esqueleto" da célula. Sua função é organizar os cromossomos e movê-los durante a mitose. O fuso cresce entre os centrossomos a medida que eles se separam.
If you find a rock field with lots of conglomerate rocks, with lots of rounded rocks cemented together in big clusters, what can you say about the area you found?
it once was covered by magma
the area was once covered by a moving stream of water
the area was once shaken by earthquakes
Answer:
I think is B
Explanation:
The land around you, no matter where you live, is made of rock. If you live in a place that has good rich soil, the soil itself is finely broken down or weathered rock.
People that live in a desert region can easily find rocks on the surface. These rocks lay on a surface of clay that is also a product of weathering rock. Weathering is the process of breaking down rocks and minerals into smaller pieces by water, wind, and ice.
Sedimentary rocks are formed from the breaking apart of other rocks (igneous, metamorphic, or sedimentary rocks) and the cementation, compaction and recrystallization of these broken pieces of rock.
Sedimentary rocks are formed from broken pieces of rocks. These broken pieces of rock are called sediments. The word "Sedimentary" comes from the root word "Sediment".
Sedimentary rocks are usually formed in water. Streams and rivers carry sediments in their current. When the current slows around a bend or the river empties into a lake, or ocean, or another river the sediments fall out because of gravity. The larger sediments fall out first and the lightest sediments fall out last.
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The thing that can be said about the area is B. the area was once covered by a moving stream of water.
Conglomerate rocks refer to sedimentary rocks that are made of sand and rounded pebbles which are held together by calcite, silica, or iron oxide.
Since there is a rock field with lots of conglomerate rocks, this could be a result of weathering. In such a case, the area may be once covered by a moving stream of water which could have led to the rocks that were formed.
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Glycolysis is the first stage of cellular respiration and is an anaerobic process. During glycolysis, glucose is converted to two molecules of pyruvic
acid. How is glycolysis kept functioning during cellular respiration?
A Two high-energy electrons are passed to the carrier NADH, which transports electrons back to glycolysis.
O
B. Two molecules of ATP from the cell are invested at the beginning of the process of glycolysis.
C. Pyruvic acid from glycolysis reacts to form acetyl-CoA, which then combines with a four-carbon compound in the Krebs cycle and re-enters
glycolysis.
D. Hydrogen ions pass back across the mitochondrial membrane through chemiosmosis and re-enter glycolysis.
Answer:
B
Explanation:
Two molecules of ATP from the cell are invested at the beginning of the process of glycolysis.
what are some good ways to study and stay on task without getting distracted? i need it i have a bio test tomorrow =D
What is attracted to the oxygen atom in a water molecule?
a. A partially positive hydrogen atom in a second water molecule
b. A partially negative hydrogen atom in a second water molecule
c. A positive ion, such as Na+
d. Both a and c
Answer:
a.
Explanation:
The slight positive charges on the hydrogen atoms in a water molecule attract the slight negative charges on the oxygen atoms of other water molecules. This tiny force of attraction is called a hydrogen bond.
Answer:
d
Explanation:
How do you think the plant uses the sugars that it has created in photosynthesis?
The sugar produced by photosynthesis can be converted into the sugar glucose. Thousands of glucose molecules can be linked together to form the complex carbohydrate cellulose. Cellulose is a very tough molecule that is used to build the cell wall of plant cells.
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The plant then releases oxygen into the air. Glucose, which is actually a sugar, feeds the plant. There are many uses of glucose in plants. Glucose helps plants grow, form flowers and develop fruit. It also helps plants develop seeds.
where is the chromosomes located
Answer:
in the nucleus
Explanation:
Chromosomes are structures located inside the nucleus of animal and plant cells.
Answer: In the nucleus
Explanation:
Scientists divide mitosis into four parts, or phases: prophase, metaphase, anaphase, and telophase.
True or false?
Answer:
true
Explanation:
[tex]\huge\boxed{True}[/tex]
_____________________________________MITOSISMitosis is a process where a single cell divides once into two identical daughter cells (cell division). The major purpose of mitosis is for growth and to replace worn out cells.
_____________________________________PARTS OF MITOSIS:It has 4 parts, Prophase, Metaphase, Anaphase, Telophase.
Prophase: The chromosomes condense into X-shaped structures that can be easily seen under a microscope.
Metaphase: The chromosomes line up neatly end-to-end along the centre of the cell.
Anaphase: The sister chromatids are then pulled apart by the spindle fibers. Each spindle fiber pulls one chromatid towards the opposite poles.
Telophase: At each pole of the cell a full set of chromosomes gather together. Membrane surrounds each pair forming a new cell
_____________________________________Best Regards,'Borz'The geologic time scale began when Earth was formed & continues until present day. At the end of each Era a __________________________ occurred and every single one of a ____________________________
fill in the blanks :)
simple and short because this is 8th grade science and I don't want the answer to be sus :D
Answer:
First line is mass extinction and the 2nd is certain species died.
50 mmoles/L ÷ 100 pmoles/ML
Answer:
the answer should be 0.5
Which of the following is not a common atmospheric pollutant? a. carbon monoxide b. sulfur oxides c. water d. nitrogen oxides Please select the best answer from the choices provided A B C D
Answer:
c water
Explanation:
water isn't pollutant its just water if it was then we would all be dead most likely. just common sense hope this helps OwO to elaborate some water is polluted but not all water is, but air atmospheric pollutants are more common, just trying to make sense of it lol
When parasites are found in food, the food has been exposed to _____ contamination.
biological and physical
biological
chemical
physical
Biological and Physical.
Answer:
Biological
Explanation:
7 attempts till I got 100% on the quiz in edge
Please help me out !!!!!!!!!!
Answer:
A
Explanation:
because each of the nitrogenous bases can only pair up with one of the other bases.
2. Which describes reproduction in seabirds?
a. ovoviviparous, giving birth at sea
b. oviparous, laving eggs in nests on land
C. viviparous, giving birth on land
d. viviparous, giving birth at sea
Answer: B
Answer:
I thnk it is d
Explanation:
Triglycerides in animals' bodies are usually
solid fats, and those in plants are usually oils.
However, many animals living in the Arctic and
Antarctic have a greater number of triglycerides
that are oils than do other animals. What advan-
tage would the storage of body fat as oil instead
of solid fat be to animals that live in freezing
climates?
Answer:
biological yourself
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Is anyone else having trouble with brainly right now? Mine wont let me type anything in, like every time I try it just says NO MATCHES WERE FOUND. its annoying and I don't know how to fix it. ????
Answer:
sometimes the questions bug out idek whats going on
Explanation:
Birds fly south in winter because of __(blank)__.
a) circadian rhythms
b) biological clocks
c) chronobiology
d) entrainment
Answer:
C
Explanation:
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Are earthquakes predictable? Explain your answer.
No. Scientists have never predicted a earthquake. We do not know how, and we do not expect to know how any time in the foreseeable future.
Answer:
Nope Because
Explanation:
They are not based on scientific evidence, and earthquakes are part of a scientific process. For example, earthquakes have nothing to do with clouds, bodily aches and pains, or slugs.
What do sclerenchyma and collenchyma have in common? They are both thin-walled. They are both dead cells. They both function for support. They both function for food production and storage.
Answer:
They both function for support
Explanation:
Collenchyma cells gives support to extra structural regions as well as sclerenchyma are responsible for the support of plants.
Sclerenchyma and collenchyma have a common factor as they both function for support.
What is sclerenchyma and collenchyma?Collenchyma cells is known to be a kind of supporting tissue and it also have some kind of irregular cell walls.
The work of sclerenchyma is to act as support to plant and as such, Sclerenchyma and collenchyma have a common factor as they both function for support.
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Most of the GMO crops grown today were developed to help farmers prevent crop loss. The three most common traits found in GMO crops are: (1) resistance to insect damage: (2) tolerance to herbicidesand (3) resistance to plant viruses. Let's consider #2 tolerance to herbicidesfarmers using herbicide-tolerant crops do not need to till the soilwhich they normally do to get rid of weedsWhich of these is NOT a positive environmental and economic impacts of this GMO trait ?
Answer:
: (2) tolerance to herbicides
Explanation:
Ability to the tolerate herbicides by some variety can lead to abuse of herbicides as over dose of it can be use in a particular region without considering the environmental hazard it can pose. Emission of some chemical compounds and release of some gasses from the herbicides result into land and air pollution especially when used in excess thing can affect the environment.
Residual impact on animals that feeds on such plant, it could lead to it death, after feeding if they move directly to the stream for feeding residual of such chemicals can be deposited in the water bodies leading to water pollution. Tolerance to herbicides is a good inventory but it can also be very detrimental especially when mid managed.
Answer:
the USAtestprep answer is C) No-till planting results in higher crop yields per acre.
Explanation:
.
Please help me really quick :)
Answer:
carbon dioxide is removed by respiratory organs
Explanation:
the cardiovascular system transports waste products to other systems
In this series of metabolic reaction, Compound R is converted into Compound A, and
Enzyme X then catalyzes the conversion of Compound A into Compounds B and D.
Compound B is converted to Compound C.
Assume that Compound Cinhibits Enzyme X and that Compound C is not consumed
in a subsequent reaction. As the concentration of Compound C increases, the rate of
production of which compound is LEAST likely to decrease?
A. Compound A
B. Compound B
C. Compound C
D. Compound D
Answer:
A. Compound A
Explanation:
Enzymes are specialized, folded proteins that act as biological catalysts- they speed up the rate of certain chemical reactions in biological systems. Enzymes bind to substrates like compound A to their active site, where they facilitate the modification of molecular strutures, creating new compounds.
Inhibitors like compound C can prevent enzyme-substrate binding activity; the chemical reactions do not occur because the substrates cannot gain access to the active site. Because enzymes show specificity, binding only to certain substrates, other molecules cannot be catalysed by the enzyme.
Here, the amount of Compound A, which is produced via the conversion of R, is increased due to the reaction inhibition- its conversion to B and D is not mediated by X, the inhibited enzyme. While conversion may still occur slowly, without its catalyst, more of the compound is being converted from R to A than A to B and D.
The concentration of A is least likely to decrease.
What is the term used to describe the fact that cells are suited to perform a particular function within an organism?
does anyone know what to do?
it closes at 11:59 it’s ok if you don’t know ^^
Answer:
mRNA- AUGAAUGCUGCCGGUGA
methionine, asp, ala, ala, gly,
type of mutation- theres deletion which would mean its a missense mutation im p sure
Explanation: