DNA, genes, chromatin, and chromosomes are all related.
What is Chromatin?
Chromatin is the combination of DNA and proteins that make up the structure of a eukaryotic cell's nucleus. It is responsible for regulating the expression of genetic material and plays a role in the cell's processes such as replication, repair, and transcription. Chromatin is composed of nucleosomes, which are composed of DNA wrapped around histone proteins.
DNA is the genetic material that contains the instructions for making proteins and other molecules needed for life. Genes are specific sequences of DNA that code for a single protein or a set of related proteins. Chromatin is the complex of DNA and proteins that make up the chromosomes, which are structures in the nucleus of a cell that contain DNA. Chromosomes are made up of chromatin and are visible under a microscope during certain stages of the cell cycle.
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How does nectar increase the ability of plants to reproduce?
Answer:
get pollen from one flower to another
Which of the following kingdoms does NOT have members who are heterotrophic? A. Fungi B. Animalia C. Plants D. Protista (Dont send me a file)
Answer:
Plants
Explanation:
This is because plants kingdom are autotrophic that they are producers.
Plants kingdom are producers because the photosynthesized. The have chlorophyll which trap light energy from the sun and uses carbondioxide and water to produce carbohydrates and oxygen is released. Therefore they are not heterotrophic, they did not depend on other kingdom to feed...they are primary producers.
If a gray fly is crossed with a heterozygous black fly, which combination below represents the parental cross?
Answer:
hello your question lacks the required options hence I will give you a general answer
answer : gg ( gray fly ) * Gg ( heterozygous black fly )
Explanation:
Let black body ( G ) be the dominant allele to gray body ( g )
hence the possible combination that will represent a parental cross when a gray fly is crossed with a heterozygous Black fly will be
gg ( gray fly ) * Gg ( heterozygous black fly )
1.-¿Esta será la primera vez que ocurre una pandemia en la humanidad?
2.-¿Cómo habrán enfrentado las personas situaciones parecidas en años pasados?
3.-¿Por qué tendríamos que hacer caso a las recomendaciones de los científicos?
Explanation:
1.-¿Es la primera vez que ocurre una pandemia en la humanidad?
La pandemia de coronavirus no es la primera pandemia que enfrenta la humanidad, a lo largo de la historia se han registrado varias pandemias, como la Peste Negra, una pandemia que ocurrió en Europa en el siglo XIV y mató a aproximadamente 200 millones de personas.
2.-¿Cómo se habrá enfrentado la gente a situaciones similares en los últimos años?
Cada pandemia que enfrenta el mundo ha traído nuevas lecciones y descubrimientos científicos sobre cómo reducir los impactos provocados por la enfermedad y nuevas formas de tratamiento como los medicamentos y las vacunas, que hasta el día de hoy tienen un impacto positivo y benefician a las generaciones actuales.
3.-¿Por qué debemos seguir las recomendaciones de los científicos?
Es fundamental seguir las recomendaciones de los científicos para contener un virus contagioso, pues a través de la ciencia se descubre cómo actúa el virus en el cuerpo humano, cómo se produce el contagio, cuáles son las mejores formas de prevención, etc.
La ciencia es fundamental para la humanidad, a través de estudios y evidencias científicas, el ser humano logra soluciones a problemas que impactan en la vida de las personas.
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Answer:
The answer is D
Explanation:
This is because the markup percentage of the price of riding busses mean that less people will ride it and the bus will be less active.
All correct EXCEPT: of the following statements concerning characteristics of predator-prey relationships are A. A rise in the population of prey is often followed by a rise in the population of predators. B. A rise in the population of predators is followed by a decrease in the population of prey. C. Camouflageisanadaptationthatprotectsprey. D. Theproductionoflargenumbersofoffspringwithinveryshortperiodsoftimeensures the survival of some prey populations. E. The population of predators most often eliminates the population of prey.
Answer:
are A. A rise in the population of prey is often followed by a rise in the population of predators.
Which of the following illustrates the energy transformation that occurs during photosynthesis
A Electrical to Leaf to thermal energy
B Chemical energy to leaf to mechanical energy
C Light energy to leaf to chemical energy
D Thermal energy to leaf to light energy
Answer: B
Explanation: light energy is converted to chemical energy
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Answer:
7,600 > 760 > 76 > 7.6
................waves are the slowest and most damaging, capable of crumbling buildings.
Answer:
tsunami
Explanation:
It's tusunami waves
Answer:
S-Waves or Surface Waves
Explanation:
What is true of the genetic makeup of all body cells in the human body except for sex cells?
Answer:
It is the same no matter what the cell type. It is random even within the same cell type. It is used to sort cells into organs based on chromosomal differences.
Explanation:
Which of the following is an example of microevolution?
A. the formation of four new species of fish in a lake over thousands of years
B. a mass extinction that occurs because of major environmental changes in a habitat
C. a change in the frequency of body color in a species of beetle over time
D. the formation of two new species of rodent that have been isolated by a mountain range
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Answer:
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Answer:
It would be C
Explanation:
Because the colour of a beetle is affected by the allele frequency and therefore changes in alleles as a result of mutations as a result of most likely adaptation
How does the tilt of a planet affect its temperature?
A brother and sister are fighting over a toy. The brother pulls the toy with a force of 6N
while the sister pulls back with a force of 8 N. What is the net force? Who gets the toy?
Answer:
the sister wins of course since she is pulling with a stronger force
Explanation:
net force
8n-6n=
2N
which of these cells is the odd one out?: human skill cell, fungi cell, a or bacteria cell?
What type of trait is the body length?
Which action would most likely create a light wave ?
A- pouring water into a pile of dirt
B- hitting a drum with a drumstick
C- producing a fire from fuel
D- dropping a pebble in a pond
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what types of of chromosomes are about the same size and contain the same type of genes?
A. Homologous chromosomes
Or
B. Analogous chromosomes
Or
C. Sister chromosomes
Answer:
Homologous chromosomes
Explanation:
Homologous chromosomes are chromosomes which contain the same genes in the same order along their chromosomal arms.
No matter what phase water is in, the water molecules stay the same; they just move differently.”
Explain why this evidence matters:
Answer:
Think about how the water cycle works etiher look in a tetbook or something
Explanation:
The neurons that send signals from the brain to the body muscles are motor neurons
true or false
Answer:
true
Explanation:
The electron transport chain produces much more ATP than glycolysis or the Krebs Cycle but it needs them to happen in order to take place. How do the first two steps make the last one possible?
Answer:
there is a link
Explanation:
glycolysis produces pyruvate which feeds into the krebs cycle
krebs cycle also generates redox agents(NADH and FADH2) needed in the etc
Energy that comes from the Sun
1. chlorophyll 2.Photosynthesis
3.Radiant energy
4.Phytoplankton
Answer:
2
Explanation:
Chlorophyll is the molecule that absorbs sunlight and uses its energy to synthesise carbohydrates from CO2 and water. This process is known as photosynthesis and is the basis for sustaining the life processes of all plants.
When does molecular breeding give an important advantage over conventional breeding, and how can we exploit this?
Answer:
molecular breeding accelerates the times for genetic improvement
Explanation:
Molecular breeding refers to the techniques used in molecular biology to improve phenotypic features in plants and animals of agronomic and economic interest. Molecular breeding involves many diverse molecular techniques which include, among others, selection assisted by molecular markers (MAS), genome editing techniques (e.g., the CRISPR-Cas genome editing system), quantitative trait loci (QTL) mapping, gene introgression assisted by markers, etc. These techniques can dramatically accelerate breeding programs aimed at improving plant/animal traits and, therefore, they have a fundamental advantage with respect to conventional breeding methods.
How many copies of each chromosome do you have?
Answer:
2
Explanation:
Answer is 2....znskskskskskndk
Answer:
We all have two copies of every chromosome (except males who have one X and one Y plus 22 other pairs). Mom and dad give us copies of half their DNA -- one of each chromosome. At the end, we all have two copies of each of our chromosomes just like mom and dad
What is the most likely reason the bones of the reptiles were found on more than one continent
Answer: Plate Tectonics
Explanation:
EMERGENCY!!!!!  what amino acid causes sickle cell anemia?!!!!!??
Answer:
hemoglobin
Explanation:
I know when a hot surface is touch receptors in the hand send a signal to the nervous system the nervous system then sent a signal to the musculine and the arm to contract and move the hand from the hot surface which of these best describes this example
(13) Which part of the digestive system is mainly responsible for absorbing water?
A the large intestine
B the pancreas
C the small intestine
D the stomach
Answer:
C) the large intestine
Explanation:
95% of absorption of nutrients occurs in the small intestine. Water and minerals are reabsorbed back into the blood in the colon (large intestine) where the pH is slightly acidic about 5.6 ~ 6.9.
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The transport of water through a plant depends on roots absorbing water. Roots depend on osmosis to obtain water. In osmosis, water always a. Moves from a high concentration to a lower concentration b. Moves from a lower concentration to a higher concentration c. Moves so that the concentration of water on one side of the cell membrane is higher than on the other side d. Moves until there is no water left on one side of the cell membrane
Plz help!! Will mark brainliest
Answer:
64
Explanation:
8 x 8
Answer:
the area should be 64 because area is length x width, so 8x8=64
What are the possible genotypes for blood type of the offspring of two parents, one with blood type O and one with blood type AB?
Answer:
The possible genotypes are A and B
Explanation: