Cells are created via cell department. And mitosis is an vital a part of this process. Mitosis creates equal copies of cells.
For example, it creates new pores and skin cells to update lifeless pores and skin cells. Interphase has 3 stages: G1, S and G2. During the G1 stage, the cell prepares for department via way of means of growing its mass. During the S stage, the cell synthesizes greater DNA. And at some point of the G2 stage, the cell synthesizes proteins because it keeps to grow. Before it is able to divide, a cell additionally wishes to have its lengthy uncoiled strands of DNA condensed into chromosomes. Otherwise, cell department might be like looking to break up a plate of spaghetti in half. Chromosomes are manufactured from bundles of DNA and protein. This makes them a lot simpler to transport around.
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What are two characteristics of Precambrian rocks?
Answer:
1. Precambrian rocks are very old.
2. They have very few fossils.
Characteristics of precambrian rocks:-
Fossils are rare in Precambrian rocks, probably because Precambrian life-forms lacked bones, shells, or other hard parts that commonly form fossils.These rock layers contain a permanent record of the Earth's past, including the fossilized remains of plants and animals buried when the sediments were formed.What is precambrian?The Precambrian is the earliest of the geologic ages, which are marked by different layers of sedimentary rock.
What is a fossil?Fossil are the remnant, impression, or trace of an animal or plant of a past geologic age that has been preserved in Earth's crust.
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Which process causes hillsides and mountains to gradually get smaller?
The answer is Physical Erosion
hey! pls help i’ll give brainliest
Answer:
I think the answer is not building towns near the edge of a tectonic plate?
Explanation:
Hope this helps!! :)
which of the following is true about renewable resources?
a. they can never run out as they come back quickly
b. they are never natural resources
c. they can be limiting resources if their use is quicker than their renewal.
D. they are typically abuotic and run out quickly
Answer:
the answer is A. they can never run out as they come back quickly
Explanation:
renewable it renews itself it comes back. solar power, wind, thermal, and water are all examples of renewable energy
Which of the following levels of organization is the least complex?
a. Cell
b. Organ
c. Tissue
d. Individual organism
uhhhh i need help. thank you:)
Answer:
the answer is.... c.........
What is a long term change that happens after a flood?
A. Standing water in the streets and sewers
B. Temporary displacement of organisms
C. Permanent change in the landscape
D. Poor water quality in rivers and streams
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Why do temperatures in the mesosphere decreases as altitude increases?
Answer:
due to decreasing absorption of solar radiation by the rarefied atmosphere and increasing cooling by CO2 radiative emission.
Explanation:
Within the mesosphere, temperature decreases with increasing height, due to decreasing absorption of solar radiation by the rarefied atmosphere and increasing cooling by CO2 radiative emission.
What is the genotypic ratio of dihybrid cross of round yellow?
The genotypic ratio of dihybrid cross of round yellow is 9:3:3:1 .
Mendel noticed that his dihybrid cross' F2 offspring had a 9:3:3:1 ratio and produced nine plants with round, yellow seeds, three plants with round, green seeds, three plants with wrinkled, yellow seeds, and one plant with wrinkled, green seeds.
An organism's genotype is made up of all of its genetic components. [1] The term "genotype" can also be used to describe the alleles or genetic variations that a person carries in a certain gene or genetic region. [2] The ploidy, or number of copies of each chromosome, found in that species, determines how many alleles a person can have for a given gene.
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please help me
Although cells come in many sizes and shapes, they all must maintain homeostasis. Which of the following is part of homeostasis? A. obtaining nutrients and getting rid of wastes B. allowing variable sugar or salt levels C. tolerating uncontrolled growth D. enduring erratic gain or loss of water
Answer:
A. Obtaining nutrients and getting rid of waste
PLEASE HELP PLEASE PLEASE PLEASE
Answer: B
Explanation: This should be the correct answer(: since hereditary means passing genetical material/information from parent to offspring (one gerneration to another)
Complete the table to show the benefits and disadvantages of each type of reproduction. pic attached. kinda easy
1.benefit of sexual reproduction
- it provides genetic variety to the population.
2.disadvantages of sexual reproduction
- requires more time and energy
3.benefit of asexual reproduction
- can happen more quickly and with less energy
4.disadvantages of asexual reproduction
- less genetic variation in the population
What enzyme can proof-read the dna molecule, minimizing the mistakes made during the process of dna replication?
The DNA polymerase enzymes can proof read the DNA molecules, minimizing the mistakes made during the process of DNA replication.
Proteins called enzymes serve as biological catalysts by quickening chemical reactions. Substrates are the molecules that enzymes can interact with, and the enzyme changes the substrates into other molecules known as products. Enzyme catalysis is required for the majority of metabolic processes in the cell to proceed at speeds quick enough to support life. Enzymes are required for each step in the catalysis of metabolic pathways.
DNA replication, as used in molecular biology, is the biological process that creates two identical copies of DNA from a single original DNA molecule. All living things replicate their DNA, which is the primary mechanism for biological heredity.
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how many codons do you need for five amino acids
A glomerulus is Question 13 options: a) the expanded end of a nephron b) the source of erythropoietin c) attached to the collecting duct d) a knot of capillaries within the renal corpuscle e) the loop-shaped segment of the nephron
The correct option is D, A knot of capillaries within the renal corpuscle. Each nephron has a network of tiny blood vessels known as glomeruli that are encased in a sac known as Bowman's capsule.
The filtered waste product (urine) passes via microscopic tubes before being transported from the kidneys to the bladder by larger tubes known as ureters.
The glomerulus is the kidney's filtering unit, and it is made up of a network of capillaries and highly differentiated epithelial cells called podocytes, which govern the selective filtration of blood into an ultrafiltrate that will eventually become urine (Greka and Mundel, 2012).
Glomerulus is a tuft of blood capillaries nestled inside the glomerular capsule, which is situated at the end of each nephron. The glomerulus receives blood that is about to be filtered.
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When an individual starts exercising at a light pace, what energy system provides the bulk of energetic needs if this were to last an hour
The fatty acids provide the bulk of energetic needs for light exercise if it were to last for an hour.
Fatty acids are chemically the carboxylic acids having a long aliphatic chain that may be saturated or unsaturated. These are responsible for the deposition of fats in the body. Fatty acids are responsible for the formation of lipids in the body. The various food forms that provide fatty acid to the body are: seafood, nuts. seeds, plant oils, etc.
Exercise is the form of body movements performed in order to keep the body healthy and active. There are various forms of exercise from the mild walking to high intensity workouts.
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If R is dominant to r, the offspring of the cross of RR with rr will: a. have the same phenotype as the RR parent. b. have the same phenotype as the rr parent. c. have the same genotype as the RR parent. d. be homozygous.
As a result, the progeny will still have the homozygous gene rr. As a result, the offspring will share both parents' genetics and phenotypic.
What does genotype imply in its entirety?The term "genotype" broadly refers to an organism's genetic make-up; in other words, this characterizes an organism's whole gene pool. The phrase can also be used to refer to a gene's alleles, or variant forms, in a more specific meaning.
Is the genotype AA typical?Typically, there are five (5) distinct blood genotype kinds. AA, AS, Ad, SS, & SC are their names. While the first pairs (AA and or AS) are typical, AC is uncommon, and the last two (SS, SC) are atypical and irregular, frequently resulting in sickle cell disease.
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norganic nutrients that are NOT broken down by the human body or destroyed by heat or light are called
Minerals are not digested or broken down because they are already in their purest form. They are taken in whole, transported about the body for different purposes, and eventually expelled.
Despite being categorized as micronutrients, vitamins and minerals differ greatly from one another. Organic compounds like vitamins decay in the presence of heat, air, or acid. Minerals are inorganic materials having a consistent chemical composition.
Vitamin C and the B-complex vitamins B6, B12, and folate are examples of water-soluble vitamins that must dissolve in water in order to be absorbed by the body and cannot thus be stored. Any water-soluble vitamins that the body does not absorb are primarily excreted in urine.
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5 Compare The images below show two processes by which clouds form when an air mass is lifted. In what ways are these two processes similar? In what ways are these two processes different?
The two processes Frontal Lifting and Orographic lifting are similar but different processes that occur int he Earth's Hydrologic Cycle.
When air is raised over an obstruction such as a mountain, this is known as orographic lifting. As the air mass is elevated, it cools and moisture inside the air mass condenses, perhaps becoming precipitation. Frontal lifting happens when warm and cold air masses collide.
What is Hydrologic Cycle?The water cycle is a biogeochemical cycle that depicts the continuous movement of water on, above, and below the Earth's surface. It is also known as the hydrologic cycle or the hydrological cycle.
The hydrologic cycle is critical because it is the means by which water reaches plants, animals, and us! Aside from providing water for people, animals, and plants, it also transports nutrients, diseases, and sediment into and out of aquatic habitats.
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Which of the following is NOT an advantage of asexual reproduction?
greater genetic variation
requires little energy
less opportunity for mutation
rapid reproduction
Base your answer on the information below and on your knowledge of biology.
A student measured oxygen and carbon dioxide concentration levels in an aquatic ecosystem during a 24 hour period. Identify two biological processes that are responsible for the production of varying amounts of carbon dioxide and oxygen within the aquatic ecosystem.
Two biological processes responsible for producing varying amounts of carbon dioxide and oxygen within aquatic ecosystems are 1) respiration by aquatic plants and animals and 2) photosynthesis by aquatic plants.
What is an aquatic ecosystem?
An aquatic ecosystem is any freshwater or saltwater environment and the characteristic flora, fauna (plants) and animals (animals) that inhabit that habitat. Freshwater ecosystems include rivers, lakes, and ponds. Saltwater ecosystems include seas and oceans. Aquatic ecosystems have historically been important to humans and other organisms. Aquatic ecosystems not only provide a food source for a wide variety of organisms, but are also essential for cycling important gases and nutrients such as carbon dioxide, nitrogen and phosphorus.
Aquatic ecosystems are known to have high levels of biodiversity.
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What type of bond occurs between the nitrogenous bases?
Answer:
hydrogen bond
Explanation:
very strong interaction
In genetic engineering, the transfer of hereditary information from one species to another results in the formation of
In genetic engineering, the transfer of hereditary information from one species to another result in the formation of transgenic organisms.
In genetic engineering, the transfer of hereditary information from one species to another result in the formation of transgenic organisms. This process is also known as genetic modification or recombinant DNA technology.
Genetic engineers use a variety of techniques to transfer specific genes from one organism to another, such as bacteria, yeast, plants, or animals. The goal of this process is to introduce new or improved characteristics into the organism, such as resistance to disease or improved nutritional value.
For example, a gene for resistance to a particular pesticide might be introduced into a crop plant to protect it from damage, or a gene that codes for a human protein might be introduced into bacteria to produce large amounts of that protein for medical use. Transgenic organisms are widely used in agriculture, biotechnology, and medicine.
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The monarch butterfly stores a poisonous
chemical from the milkweed plant in its
body. This chemical makes other animals
who might eat the monarch butterfly sick.
This is an example of
Answer:
commensalism
Explanation:
How is the ocean explored?
Answer:
Hey mate......
Explanation:
This is ur answer.....
Technologies used to explore outer space and the ocean include submersibles, remotely operated vehicles (ROVs), satellites, rovers, diving/scuba gear, buoys, mega corers, water column samplers, and sonar for mapping.
Hope it helps!
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Answer: Technology such as submarines and deep diving machines are created to help search depths. Biologists and and such deep dive and put together their findings. High powered lights are required to help see at such depths, since sunlight is unable to reach the ocean floor.
Explanation: Hope this helps (^_^)
Read the excerpt from How Hurricanes Form.
Hurricanes are the largest and most violent storms on Earth. They are large rotating storms with high speeds that form over warm waters. These storms are known as hurricanes in North America and the Caribbean. However, they have different names in other regions. In South East Asia, they are called typhoons. In the Indian Ocean, they are known as cyclones. Hurricane winds move at the speed of at least 74 miles per hour. They can be as wide as 300 miles. But, how are these huge storms formed?
a world map showing that hurricanes occur north of the equator in the Atlantic Ocean, cyclones occur north and south of the equator in the Indian Ocean, and typhoons occur north of the equator in South East asia
Hurricanes are often compared to engines. Just like engines, they need a type of fuel. Hurricanes form over warm ocean waters near the equator. For hurricanes, their fuel is warm, moist air. When hurricanes form, the warm, moist air above the ocean rises upward from close to the surface of the water. Because the warm air rises, it results in less air under the surface of the water. This area with less air is known as an area with low pressure.
Why do some people say that hurricanes are like engines? (2 points)
a
Both hurricanes and engines are loud when they gain power.
b
Both hurricanes and engines can cause serious destruction.
c
Both hurricanes and engines need a fuel to power them.
d
Both hurricanes and engines are often studied by scientists.
Answer:
C. Both engines and hurricanes need a fuel to power them
Explanation:
Hurricanes are often compared to engines. Just like engines, they need a type of fuel. Hurricanes form over warm ocean waters near the equator
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State one reason for transport system in plants.
Answer:
Transportation is the process that involves the movement of water and necessary nutrients to all parts of the plant for its survival.
Explanation:
Transportation is a vital process in plants. Trees transport all the nutrients and water it needs for survival from its roots to the tips of the leaves.
Describe the process in eukaryotes that ensures that the number or chromosomes will not aouble from
parent to orspring wen gametes ruse auring fertilization
Answer:
The process in eukaryotes that ensures that the number of chromosomes will not double from parent to offspring when gametes fuse during fertilization is called meiosis. During meiosis, the number of chromosomes is reduced by half through a process of cell division. This process is known as meiotic division and involves two rounds of cell division. During the first round, homologous chromosomes are separated from each other and during the second round, sister chromatids are separated from each other. This ensures that each gamete only contains one copy of each chromosome, thus preventing the number of chromosomes from doubling when the two gametes fuse during fertilization.
Explanation:
Which of the following is not an agent of weathering?"
Glacier
Wind
Precipitation
Soil
Answer:
soil is not an agent of weathering
5. Mutations of the DNA are only passed on to future generations if the change
occurred in a -
A sperm or egg cell.
B cancerous liver cell.
C brain cell.
D mutated skin cell.