Explanation:
The Hertzsprung-Russel Diagram also known as HR diagram is stars' scatter plot showing the relation of luminosity or absolute magnitude vs spectral class or surface temperature. The main sequence stars can be plotted on a HR Diagram as a diagonal band as their physical properties vary a lot.
The mass of these stars ranges from about a tenth of that of the Sun to about 200 times the mass of the Sun. Inside these stars Hydrogen fusion results in Helium. 90% of the stars, including the Sun, in the Universe lies in this category.
Their surface temperature lies in the range of 2500 Kelvin to 40000 Kelvin.
Answer:
hr 9000
Explanation:
What is a chromosome? ( In simple terms please)
The cytoplasm is the watery fluid found within cells. The cytoplasm holds all of the organelles, except _______, in place within the cell.
THE ANSWER IS
the nucleus
The largest level of organization in living things is a(n) (2 points)
organism
organ
tissue
cell
One difference between organisms being classified as Kingdom Plantae or Kingdom Animalia is the way the organism gets food. Which statement correctly states the difference between the two kingdoms?
A) Kingdom Plantae organisms are herbivores and Kingdom Animalia organisms are carnivores.
B) Kingdom Animalia organisms are herbivores and Kingdom Plantae organisms are carnivores.
C) Kingdom Plantae organisms make their own food and Kingdom Animalia organisms do not make their own food.
D) Kingdom Animalia organisms make their own food and Kingdom Plantae organisms do not make their own food.
The right option is; C)
Kingdom Plantae organisms make their own food and Kingdom Animalia organisms do not make their own food is the statement that correctly states the difference between the two kingdoms.
All organisms in Kingdom Plantae are autotrophs. They have the ability to make their own food from inorganic substances through the process of photosynthesis, while all organisms in the Kingdom Animalia are heterotrophs. They do not have the ability to make their own food but they depend on other organisms for their food.
Answer:
The answer is C
Explanation:
What kind of mixture is blood
Answer:
Blood is a colloid which mainly contains red and white blood-cells, lymphocytes and plasma.
Explanation:
Believe it or not but blood is considered an organ. That’s because it contains a collection of different types of cells suspended in a liquid, the plasma.
The most obvious type of cell is the red blood cell (erythrocytes), which provides the red color to the blood and more importantly contains haemoglobin, an iron holding protein that binds oxygen or carbon dioxide. This way these gases are transported throughout the body. Oxygen towards the tissues, carbon dioxide outward of course.
Another very important blood cell type are the white ones (leukocytes). Without going into much detail (a lot of different subtypes exist) the white blood cells are responsible for one’s immunity. Some of these cells called macrophages like to swallow stuff that’s not supposed to be in your blood.
A third important type of cell, the smallest ones, are the trombocytes or platelets. The make sure you blood coagulates when you are wounded. Without them you would bleed to death.
Besides these cells a lot of different molecules or ions are dissolved or suspended in the plasma : proteins of which a lot of albumin, vitamins, minerals. The steady bloodstream makes sure every cell in your body is provided with the nutrients it needs.
Our solar system is located very close to the center of the Milky Way galaxy, outside of the spiraling arms.
True or False
Answer,
False
Hope This Helps :-)
Answer:
False
Explanation:
We are in a arm that is small. We also are not super close to the center
Which body parts do sharks have that whales lack?
A-eye
B-gills
C-dorsal fin
D-mouth
E-pectoral fin
F-tail
The body parts that sharks have that whales lack are the dorsal fin and pectoral fin, which are options C and E, respectively. The sharks have a dorsal fin, which is a large, pointed fin on their back that helps them maintain stability and steer through the water.
Sharks and whales are two very different types of aquatic animals, and they have many physical differences. Two of the key differences between sharks and whales are the presence of dorsal fins and pectoral fins in sharks and their absence in whales. The dorsal fin is a large, pointed fin on the shark's back that helps them maintain stability and steer through the water. It's an important feature that distinguishes sharks from other fish.
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Thylakoids are membrane sacs that contain what?
chlorophyll is the answer
Answer:
chlorophyll
Explanation:
If the producer contains 6000 of energy how much energy will the secondary consumer contain
Secondary consumers would have roughly 60 units of energy if the producer contains 6000 units, based on the approximate 10% energy transfer between trophic levels in an ecosystem.
The question concerns the amount of energy contained by a secondary consumer if the primary producer has 6000 units of energy. In ecology, energy transfer between the trophic levels is typically about 10%. Using studies by Howard T. Odum on the Silver Springs ecosystem, we know that the primary producers generated 20,819 kcal/m²/yr. The primary consumers, in turn, generated 3368 kcal/m²/yr, secondary consumers generated 383 kcal/m2/yr, and tertiary consumers only 21 kcal/m²/yr. By applying the 10% rule, we can estimate that if primary producers have 6000 units of energy, the primary consumers would have approximately 600 units of energy, and the secondary consumers would have roughly 60 units, considering each level consumes about 90% and only passes on 10% to the next level.
The division of the nucleus during the eukaryotic cell cycle is
The division of the nucleus during the eukaryotic cell cycle is referred to as mitosis, which involves several phases including prophase, metaphase, anaphase, and telophase, culminating in two genetically identical daughter cells.
Explanation:The Division of the Nucleus During the Eukaryotic Cell CycleThe division of the nucleus during the eukaryotic cell cycle is a complex process called mitosis. Mitosis is a multi-phase process that results in the division of one nucleus into two genetically identical nuclei. The eukaryotic cell cycle consists of interphase and the mitotic phase. Interphase itself is divided into three phases: G1, S, and G2. During these stages, the cell grows, duplicates its DNA, and prepares for cell division.
The mitotic phase includes both mitosis and cytokinesis. Under mitosis, there are four phases known as prophase, metaphase, anaphase, and telophase. This is when the actual division of the nucleus occurs. The chromatids separate and are evenly divided between the two new daughter cells. Following mitosis, cytokinesis completes the cell division process by dividing the cytoplasm, resulting in two separate cells.
Explain how Seafood Watch promotes environmentally responsible fishing practices.
Answer:
Seafood Watch identifies seafood that has been harvested in a sustainable manner and promotes this seafood over varieties that were not sustainably harvested. The idea is that only the fishermen utilizing sustainable practices are rewarded financially and will therefore out compete their competitors.
Explanation:
In humans, the process of meiosis and the fertilization of the egg and the sperm ensures that the same offspring will never be created twice. Explain the three events during meiosis/fertilization that make this possible
In humans, the uniqueness of offspring is ensured by crossing-over, independent assortment during meiosis, and random fertilization.
In humans, meiosis and fertilization ensure the production of genetically unique offspring through three main mechanisms.
The first event is crossing-over during prophase I of meiosis, where homologous chromosomes exchange genetic material, creating new combinations of alleles. The second event is independent assortment, the random separation of parental chromosomes during metaphase I, which leads to a diverse set of potential gametes. The third event is the random fertilization of an egg by a sperm cell, which combines two sets of chromosomes to restore the diploid state, with the chance of creating a zygote with any combination of chromosomes from the parents, adding to the genetic diversity.The result of these three processes ensures that any two offspring will almost certainly have a different genetic makeup, even if they come from the same set of parents. Thus, meiosis followed by fertilization increases genetic variation and is fundamental to the concept of sexual reproduction in eukaryotes, which includes humans.
what would happen if the cell went through mitosis but not cytokinesis?
Based on the composition of phloem tissue, it is most likely used by the plant for
Hey there!
The correct answer is that it is used for the transportation of the food and nutrients for the plant.
Hope this helped and have a great day (:
Answer:
Phloem is used by the plant to transport organic substances produced by photosynthesis.
Explanation:
Phloem is a conducting tissue present in all plants and is formed by sieved elements, parenchymal cells, fibers and sclereids. The phloem composition helps it to fulfill its primary function, which is to transport the elements of the elaborated sap to all parts of the plant. The elaborated sap is formed by the organic compounds that are created during photosynthesis and that are essential for the development and growth of the plant.
Which of these are the correct base pairs in DNA?
adenine and uracil
cytosine and guanine
cytosine and adenine
thymine and guanine
What does it mean to say that there is a "proofreading" function in DNA replication?
When we refer to DNA replication as having a "proofreading" function, we imply that the DNA polymerase will replace any excess incorrect nucleotides with the correct ones, ensuring that there are as few errors as possible.
Thus, In genetics, the word "proofreading" is used to describe the error-correcting mechanisms, first postulated by John Hopfield and Jacques Ninio, involved in DNA replication.
The immune system specificity, enzyme-substrate recognition, among many other processes that need for increased specificity.
All three DNA polymerases in bacteria—types I, II, and III—are capable of editing DNA by employing 3'–5' exonuclease activity. DNA polymerase changes its orientation by one base pair of DNA and excises the mismatched base when it detects an erroneous base pair.
Thus, When we refer to DNA replication as having a "proofreading" function, we imply that the DNA polymerase will replace any excess incorrect nucleotides with the correct ones, ensuring that there are as few errors as possible.
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what is the probability of these two parents having Color Blind Son?
Ill give brainliest
Select all that apply.
Aimee is flying from San Francisco, CA to New York, NY. Which layers of the atmosphere will she fly through?
troposphere
stratosphere
ionosphere
mesosphere
Answer: troposphere and stratosphere
Explanation: i got this right on my class since this is a multiple choice question.have a great day.=D
Which abiotic factor would likely have the greatest effect on an estuary
If you visited a savanna you would most likely see
If you visited a savanna, you would most likely see vast grasslands with scattered trees or shrubs.
Savannas are tropical or subtropical ecosystems characterized by a mix of grasses and scattered vegetation. They are often found in regions with a pronounced dry and wet season. One of the distinctive features of savannas is the presence of herbivores such as zebras, wildebeest, giraffes, and antelopes, which graze on the grasses.
These herbivores, in turn, attract predators like lions, cheetahs, hyenas, and leopards, which can often be observed hunting and feeding on the herbivores. Other common wildlife in savannas includes elephants, buffalo, and various bird species. The open landscape and diverse animal life make savannas popular destinations for wildlife safaris and nature enthusiasts.
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when a cell undergoes mitosis,what is the result?
When a cell undergoes mitosis, it forms two daughter cells which have the same number of chromosomes as the parent cell.
What is mitosis?Mitosis is a process used to create more cells that share the same genetic makeup as the parent cell. It is crucial for the growth and development of human bodies as well as for the embryonic development of living things. Mitosis generates new cells and replaces injured, destroyed, or aging ones.
Somatic cells undergo mitosis, which means that all cell types whose function is not the generation of gametes go through this process. Each chromosome is duplicated before each mitotic division, resulting in a full set of chromosomes in the nucleus of each new cell after division.
Thus, when a cell undergoes mitosis, it forms two daughter cells which have the same number of chromosomes as the parent cell.
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Which of the following planets has the weakest surface gravity?
A.Neptune
B.Mercury
C.Jupiter
D.Earth
In the Early Cambrian, there was little tectonic activity in Virginia and sediments were deposited along the continental margin. The deposition of sand, silt, and other clastic materials was gradually replaced by the deposition of limy sediments in the warm tropical waters of the Iapetus Ocean. If we were to look at the layers of rock dating back to this time period, we would expect to see
I just did this on USATP and its A) limestone layered over sandstone and shale
PLEASE HELP ME I WILL GIVE YOU ALOT OF POINTS!!!!!!!!!!!!!!!
Scientists discovered that the inner core of Earth is a solid. Explain what evidence supports this thinking. Be sure to include how pressure, temperature, and density play a role.
The inner middle of earth is made of all medal
Which of the following describes an organism?
A group of cells working together
A group of tissues working together
A group of organ systems working together
A group of atoms working together
Add right is a photograph of a multicellular plant called a Primrose. List three conclusions you can make about the primrose as a living thing.
What type of sediment forms from minerals that crystallize from seawater
The hydrogenous sediment form is the minerals that crystallize from seawater. Hydrogenous sediment forms because of the sea water or ion exchange among ocean water and sediments. In this type of sediment arises from dissolved material in the water. These are often found in the form of nodules containing manganese and iron oxides.
Answer:
hydrogenous sediment
Explanation:
Which part of the electromagnetic spectrum can humans see with the naked eye? Infrared light
Ultraviolet rays
Visible light
X-rays
The answer is visible light. I have it in my notes.
Answer: B: Visible Light.
Explanation: One thing that I can say is that it is "Visible" it has it in the name but also visible light is a the part of the electromagnetic spectrum that is visible to eyes.
The suns light takes 180 seconds to reach the planet Mercury. Which of the following is the correct step to find the distance, in miles, of mercury from the sun? The picture are my answers
Answer:
Multiply the speed of light through space in miles per second by 180
view pic for proof
Color blindness ua sex-linked trait. If we could see the pedigree chart for several more generations of the family illustrated here, we would expect
Answer:
More males to be colorblind
Explanation:
I took the test