Fossils are usually found in Sedimentary rock.
sedimentary rock
Explanation: Most fossils are found in sedimentary rock. Sedimentary rock is formed by dirt (sand, silt, or clay) and debris that settles to the bottom of an ocean or lake and compresses for such a long time that it becomes hard as a rock. Limestone and sandstone are types of sedimentary rock that commonly have fossils.
What is located on chromosomes
Answer:
Chromosomes are thread-like structures located inside the nucleus of animal and plant cells.
Explanation:
Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from parents to offspring, DNA contains the specific instructions that make each type of living creature unique.
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Identify the nitrogenous base NOT present in RNA.
Adenine
O Thymine
O Guanine
Cytosine
Answer:
Thymine
Explanation:
Uracil is the nitrogenous base present only in RNA, but not in DNA. ... DNA have thymine, guanine, adenine and cytosine. Thymine is replaced by uracil in RNA.
compare the hygiene allergies and asthma?
Answer:
According to the “hygiene hypothesis,” the problem with extremely clean environments is that they fail to provide the necessary exposure to germs required to “educate” the immune system so it can learn to launch its defense responses to infectious organisms. Instead, its defense responses end up being so inadequate that they actually contribute to the development of asthma.
Explanation:
help! i really need help on a, b, c, d, e, f!
Answer:
a) 12 brown eyes
b) 12 brown hair
c) 3 Brown eyes blonde hair
d) 9 brown eyes brown hair
e) 3 blue eyes brown hair
f) 1 blue eyes blonde hair
is protein a living cell or a virus
Answer:
Neither.
Explanation:
Proteins are molecules composed of carbon, hydrogen, oxygen, and most importantly one or more chains of amino acids. They are vital to living cells and are required in the process of making, repairing, and composing functioning tissues as well as helping them function.
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Explain how capillary action is really just teamwork between adhesion and cohesion
3'AGGTCAGGT 5
Which of these is the correct complementary DNA strand for the segment shown?
Answer
A S'AGGTCAGGT 3
B
S'ACCUGAGGU 3
C 5'TGGACTGGA 3
D 5' TCCAGTCCA 3
The correct complementary DNA sequence of 3'AGGTCAGGT 5 is - D. 5' TCCAGTCCA 3'
DNA is made of two strands of DNA strands coiled together and form a ladder-like shape. DNA molecules have four nucleotide bases that joined both strands together that are Adenine (A), Guanine (G), Thymine (T), and Cytosine(C).
Each nitrogenous base has its own complementary base in a double-helical structure.The A is complimentary T and G will have CThe complementary strand is always present in an antiparallel directionIf one strand is 3' to 5' then the complementary strand would be 5' to 3'So, in the given sequence: 3'AGGTCAGGT 5
Complementary sequence: 5' TCCAGTCCA 3
Thus, the correct option is: option D. 5' TCCAGTCCA 3
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Answer:D 5' TCCAGTCCA 3
Explanation:because A turns to T and G turns to C for DNA but for RNA A turns to U and vise versa
Which is true about scientific theories?
A. Scientific theories can never be proven wrong
B. Scientific theories are always unreliable
C. Scientific research theories prevent new questions from being asked
D. Scientific theories can be rejected by new reliable evidence
PLS PLS PLS HELP ITS DUE IN AN HOUR
Answer:
You prolly should have done it earlier
Explanation:
A:Metal and things in immediate sunlight let of heat.
B:You see the tree's movieng feel it on your skin.
C:Its sunny, the light reflects of glass and warms my skin
D: Water and Shampoo, shampoo.
why are Some substances allowed to cross the cell membrane while other substances are not?
Answer:
membranes are semipermeable so only let certain materials in and out; if there are carrier or channel proteins, then passive transport can occur otherwise active transport is required which requires energy.
Explanation:
membranes are semipermeable so only let certain materials in and out; if there are carrier or channel proteins, then passive transport can occur otherwise active transport is required which requires energy.
which do all cells need in order to function?
a: oxygen
b: water
c: carbon dioxide
d: offspring
Answer:
A. Oxygen ( for animals )
B and C ( for plants )
Explanation:
Cellular nutrients come in many forms, including sugars and fats. In order to provide a cell with energy, these molecules have to pass across the cell membrane, which functions as a barrier — but not an impassable one. During cellular respiration, oxygen is needed. Carbon dioxide is the product of cellular respiration.
In the event you are referring to plants, then both water and carbon dioxide are needed for photosynthesis.
Oxygen is required by all cells in order to function properly. Thus, the correct option is A.
What are Cells?Cells may be defined as the building blocks of living organisms. They are considered the basic structure and functional unit of life. All living beings are made up of cells.
Antony von Leeuwenhoek discovered the living cell for the very first time in 1674 with the help of an improved microscope in Pond water.
Cells require oxygen because they have the ability to break down food particles in the presence of oxygen to derive energy for metabolic activities. This process of breaking down food in the presence of oxygen is known as cellular respiration.
This is because oxygen functions as a final electron acceptor in the electron transport chain to synthesize an energy molecule known as ATP.
Therefore, Oxygen is required by all cells in order to function properly. Thus, the correct option is A.
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Figure 9-4 illustrates which stage of mitosis?
Which of the following statements is true?
Animals cannot make their own food because they do not have vacuoles.
When you eat a carrot, you are eating ground tissue.
The main function of dermal tissue is photosynthesis.
The cerebrum controlls balance and coordination.
Answer:
when eating a carrot u r eating ground tissue
Answer:
when you eat a carrot, you are eating ground tissue is your answer
Explanation:
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In goats, a beard is produced by an autosomal allele that is dominant in males and recessive in females. We’ll use the symbol Bb for the beard allele and B+ for the beardless allele. Another independently assorting autosomal allele that produces a black coat (W) is dominant over the allele for a white coat (w). Give the phenotypes and their expected proportions for the cross between B+Bb Ww male × B+Bb Ww female.
Which of the following is not an option phenotype and proportion from this cross?
a. 9/16 bearded, black female
b. 3/16 bearded, black female
c. 1/16 beardless, white male
d. 3/16 bearded, white male
e. 1/16 bearded, white female
Autosomal alleles are the genetic inheritance by the variants that are passed from parent to child. From the cross between B+Bb Ww × B+Bb Ww, 3/16 bearded, black coat, and 1/16 bearded, white is not a correct phenotype. Thus, options b and e are correct.
What is a dihybrid cross?A dihybrid cross has been defined as the experimental mating of an organism that has two variable traits located at various genes. The traits can be autosomal dominant and autosomal recessive.
Given,
Autosomal dominant = Bb (beard), W (black coat)
Autosomal recessive = B+ (beardless ), w (white coat)
Parent = B+Bb Ww male and B+Bb Ww female
The cross between the parent is attached to the image below.
From the cross, it can be said that:
9/16 bearded, black coat1/16 beardless, white coat3/16 beardless, black coat3/16 bearded, white coatFrom the cross, 3/16 bearded, black females and 1/16 bearded, white females are not the phenotypes.
Therefore, options b and e. 3/16 bearded, black females and 1/16 bearded, white females are not the phenotypes.
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Think about death rates and birth rates in a population. How will
the two compare in a shrinking population?
SELECT AN ANSWER
The birth rate will be larger.
Both will be equal to one another.
Neither has an affect on the population.
The death rate will be larger.
Answer:
it will compare that neither has an affect on the population and it will also compare that both will be equal to one another.Hope this helps let me know if its wrong or not have a good day.
Explanation:
It will compare that neither has an affect on the population and it will also compare that both will be equal to one another.
What is population?The term "population" refers to all citizens who are either permanently residing in a country or who are just passing through. This indicator reveals how many people typically reside in a certain area.
Growth rates are the population changes that occur each year as a result of births, deaths, and net migration.
The total population also includes national military forces deployed overseas, merchant mariners at sea, diplomatic staff based abroad, civilian foreign nationals residing in the nation, and internally displaced people residing in the nation. Demographic tools like population predictions are frequently used.
Therefore, It will compare that neither has an affect on the population and it will also compare that both will be equal to one another.
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name of any intrusive igneous body.
Answer:
Hello!!! Princess Sakura here ^^
Explanation:
One is batholith.
the part that form of fruit after fertilization
Answer:
Ovules
Explanation:
After fertilization occurs, each ovule develops into a seed. Each seed contains a tiny, undeveloped plant called an embryo. The ovary surrounding the ovules develops into a fruit that contains one or more seeds.
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What kind of protist causes dysentery?
A euglena
B amoeba
C algae
D slime mold
Answer:
D
Explanation:
5. What happens to the force between the two spheres of the same
mass when the distance the mass Spheres is halved?
Answer:
The force of gravity on each object increases with the square of the inverse distance as they fall together, and hence so does the acceleration. For example, if the distance is halved, the force and acceleration are quadrupled.
Explanation:
Spartina is a group of grasses that dominates communities of salt marshes in many coastal areas. Many of the insects, snails, birds, mice, and other animals found in these communities rely on Spartina for food, nest building materials, protection for their young, etc. The roots of Spartina also form dense mats that hold together soil in these ecosystems. Many species that live in Spartina salt marshes cannot survive outside of these unique ecosystems. Because living near the ocean is desirable to many humans, many Spartina marshes have been drained & cleared for human development. Analysis of the destruction that came when Hurricane Katrina hit Louisiana in 2005, however, showed that the reduction of salt marshes in coastal Louisiana was a contributing factor to the storm surge penetrating further inland.
1. The value of Spartina salt marshes in protecting coastal areas from storm surge would be classified as which type?
A. Extrinsic.
B. Intrinsic.
C. Neither.
2. The value of Spartina salt marshes in holding soil together would be classified as which type?
A. Extrinsic.
B. Intrinsic.
C. Neither.
3. In general, you would expect species that only live in Spartina salt marshes to have a higher extinction risk than species that can survive in urban areas.
A. True
B. False
4. Based only on the information included in this scenario, extinction risk for species that only live in Spartina salt marshes would be most influenced by which factor?
A. Restricted geographic range.
B. Narrow habitat requirements.
C. Small population size.
Answer:
1)a. Extrinsic
2) b. Intrinsic
3) a. True
4) a. Restricted geographic range
Explanation:
1. Spartina Salt marshes are important to the coastal areas as they protect them from storm surge as affecting the erosion of salt marsh edges and it is classified as extrinsic.
2) b. Intrinsic
Intrinsic factors such as vegetation and soil affect the erosion of salt marsh edges. It is determined by characteristics of soil and root biomass found under the ground.
3) a. True
Species that could survive in urban areas are less prone to extinction than the species that only survive in spartina salt marshes.
4) a. Restricted geographic range
A restricted geographic range is a factor that leads and affects the extinction in endemic species more.
What is a fault line?
Readiness Test: Natural Selection and Change Over Time
Due 10/16/20 4:00pm
The habitat of the Arctic fox is characterized by low-growing plants and brown dirt in the spring and summer. In the fall and winter, the
landscape is covered in deep snow. This animal has a different color coat in the winter than it has in the summer. What is this an example of?
А
mutation
В.
variation
С
competition
D
adaptation
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can someone help me with this worksheet
Answer:
1. tissues
2. skin
3. connective tissues
4. brain
5. organ
6. taste buds
7. epithelial tissues
8. organ ssytems
9. organism
10. nerve tissues
Where do action potentials end?
The action potential terminates at the axon terminal or terminal boutons.
What do you mean by Action potential?Action potential may be defined as reversal activity in electrical potential across a plasma membrane that occurs when a cell has been activated by a stimulus.
The action potential is generated at the region of the axon hillock and propagates along the axon. Finally, they terminated at the region of the axon terminal.
Therefore, the action potential terminates at the axon terminal or terminal boutons.
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What is the mass of a proton in scientific notation
Answer:
The mass of a proton in scientific notation, is 1.67×10-27kg.
Explanation:
Answer:
1.67×10-27kg
Explanation:
Help ASAP , easy 15 points and a brainly for the first one to reply , just answer the 2 questions
how do structures in an organisms relate to their functions
Answer:
The relationship of a structure and function is the structuring levels from molecules to organism ensure successful functioning in all living organism and living system.
Explanation:
Function and structure are related, because of a certain structure a living thing make contain makes the object function the way it does. There is a lot of structural future in humans, plants, animal and all living things.
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What compound makes up carbohydrates?
a.
glucose
c.
amino acids
b.
nucleic acids
d.
phosphates
Answer:
a .glucose...
Explanation:
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Which one is right??
Answer: A
Explanation:
Which letter indicates a cell structure that directly controls the movement of molecules into and out of the cell?
Answer:
Cell membrane controls the movement of molecules into and out of the cell
Explanation:
Answer:
cell membrane
Explanation:
it controls what goes in and out of the cell