Answer:
3. Potassium - argon dating
Explanation:
The potassium-argon dating method has been used to measure a wide variety of ages. The potassium-argon age of some meteorites is as old as 4,500,000,000 years, and volcanic rocks as young as 20,000 years old have been measured by this method.
Which of the following statements about biomolecules is true?
I. Biomolecules are the basis of life.
II. Biomolecules are involved in the metabolic processes of all living organisms.
III. Biomolecules are inorganic molecules.
How many phenotypes are possible from the 3 alleles coding for human blood? A 3 B. 4 C. 5 D. 6
There are 4 phenotypes are possible from the 3 alleles coding for human blood. The correct option is B.
What is phenotype?The set of qualities or characteristics that can be observed in an organism are known as its phenotype in genetics.
The word includes an organism's anatomy, developmental processes, physiological and biochemical characteristics, behaviour, and the outcomes of behaviour.
The genotype of an individual is their own DNA pattern. More specifically, the two alleles a person acquired for a particular gene are referred to by this phrase.
The clinical presentation of a patient is the observable expression of this genotype, or phenotype.
A, B, AB, and O are the four phenotypes of blood that can occur. The gene that determines blood type has three alleles. Six distinct genotypes are possible because there are three different alleles.
Thus, the correct option is B.
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Give a positive and a negative impact of an environmental law or regulation.
Answer:
negative impact
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water. These negative impacts can affect human behavior and can prompt mass migrations or battles over clean water.
positive impact
Environmental regulations have greatly improved air and water quality, especially in areas that were dirtiest before regulation. Reducing airborne particulates is especially beneficial, saving thousands of lives and preventing millions of illnesses each year.
help is needed please!!
Answer:
That would be the 3rd option.
Explanation:
Plants rely on nitrogen fixation to fix atmospheric nitrogen into nitrogen that they can use to perform photosynthesis. By removing that step, there would be significantly less reliance on nitrogen fixation as plants can do the work.
I need help!! Identify the types of inheritance based on the expression of alleles in the organism.
Answer:
multiple, recessive, dominant
Explanation:
multiple, many traits show. recessive two can show because they share. and dominant rule out the other ones so it is the only one.
Answer:
This is the answer
Explanation:
Describe the process of germination and plant growth you observed in the lab activity for a monocot plant.
Answer:
Germination is the process by which a plant develops from a seed. The most common example of germination is a sprout of a seedling emerging from the seed of an angiosperm or gymnosperm. However, the development of a daughter spore from a spore, such as the growth of a mycelium from a fungal spore, is also germination. Therefore, germination can be understood in the general sense as anything that becomes larger from a small entity or a living organism, is a commonly used method in many seed development projects. alike.
Explanation:
help is needed please!!
Answer:
| and ||
Explanation:
I haven't heard of heavy metal exposure causing nervous system damage, but I have heard that when you inhale during mining, you are inhaling all different particles and dust which causes other respiratory diseases, such as chronic obstructive pulmonary disease. Noise pollution is definitely true as people have lost their hearing from all the noise underground which also caused headaches. This is my opinion, sorry that I'm late!
why should we drink 6 to 8 glasses of water everyday even water does not provide any energy? pls answer in short
Answer:
√7-2√10x/√6-√2/1-√3-5/√5
what are the two characteristics of Pine due to which it is not placed under sub division angiosperms
Answer:
The angiosperms, or flowering plants, are the largest and most species-rich phylum of plants, with more than 250,000 species estimated.
Defining Characteristics
The term "angiosperm" derives from two Greek words: angeion, meaning "vessel," and sperma, meaning "seed." The angiosperms are those plants whose seeds develop within a surrounding layer of plant tissue, called the carpel, with seeds attached around the margins. This arrangement is easily seen by slicing into a tomato, for example. Collectively, carpels together with the style and stigma are termed the ovary, and these plus associated structures develop into the mature
Explanation:
Which of the following is a start codon?
A.UAG
B.AUG
C.UAA
D.UGA
Answer:
AUG
Explanation:
you can use a codon chart to help or double check.
B) you can use a software to check
What climate zone includes much of North America, Europe, and Asia?
A. Temperate zone
B. Polar zone
C. Pacific zone
D.Tropical zone
Polar zone includes much of North America Europe and Asia
What is the difference between sediments deposited in outwash and sediments deposited in moraines?
1. Sediments in the outwash are larger.
2. Sediments in the outwash are sorted
3. Sediments in the outwash are more angular
4. Sediments in the outwash are older.
Answer:
2. Sediments in the outwash are sorted
The difference between sediments deposited in outwash and sediments deposited in moraines is that-Sediments in the outwash are sorted. Therefore, the correct option is 2.
What is the sediment of outwash and moraines?Outwash is the sediment that is carried away from a glacier by meltwater and deposited in streams and rivers. This sediment is typically well-sorted, which means that particles are relatively uniform in size, shape, and composition.
Moraines are piles of unsorted sediment that are left behind by a glacier as it retreats. This sediment is typically a mix of different particle sizes, shapes, and compositions.
The glacier's movement is not strong enough to sort the sediment of moraines, so it remains unsorted. Therefore, the correct option is 2.
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Động vật nào sau đây máu đu nuôi cơ thể không pha trộn giữa máu giàu o2 và máu giàu co2
Answer: Tôi không thể giúp anh vì anh chưa bao giờ đặt tên cho bất kỳ con vật nào
1. What academic subset of oceanography studies seafloor features and the processes that form them?
O A. Biological oceanography
O B. Marine geology
O C. Physical oceanography
O D. Chemical oceanography
Monosaccharides, fatty acids, nucleotides and amino acids are all monomers used to build macromolecules. Monosaccharides are the building blocks to which macromolecule?
DNA
Carbohydrates
Proteins
Lipids
Answer:
Carbohydrates
Explanation:
Fatty acids are building blocks of lipids
Nucleotides are building blocks of DNA
Amino acids are building blocks of protiens
Monosaccharides are building blocks of carbs
Monosaccharides are the building blocks to carbohydrates. The correct option is B.
The constituent parts of monosaccharides are what make up carbs. Carbon, hydrogen, and oxygen make up the macromolecules known as carbohydrates in the ratio of 1:2:1.
Simple sugars like glucose and fructose are monosaccharides, which can combine through dehydration synthesis to create bigger carbohydrate molecules.
In addition to serving as an essential source of energy for living things, carbohydrates also function as structural support for things like plant cell walls and as energy storage in the form of starch and glycogen, respectively.
To create complex carbohydrates like disaccharides (like sucrose) and polysaccharides (like starch and cellulose), the monosaccharides combine through glycosidic linkages.
Thus, the correct option is B.
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Your question seems incomplete, the probable complete question is:
Monosaccharides, fatty acids, nucleotides and amino acids are all monomers used to build macromolecules. Monosaccharides are the building blocks to which macromolecule?
A. DNA
B. Carbohydrates
C. Proteins
D. Lipids
Is Brewer's yeast a type of bacteria
Explanation:
Brewer's yeast is an ingredient used in the production of beer and bread. It is made from Saccharomyces cerevisiae, a one-celled fungus. ... Brewer's yeast is considered a probiotic and is used to aid digestion.
Answer:
Well Brewers Yeast is actually a Probiotic, and well a bacteria as well,
but its a good bacteria.
Explanation:
sler Test
Select the correct location on the image.
Identify the position on the graph that gives the carrying capacity of the population.
population
y 1
2,000
1,500
Population Size
1,000
500
0
6
24
12 18
Time (months)
Reset
Next
First, there is a need to understand what the carrying capacity is as it relates to the environment:
Carrying capacity refers to the maximum number of individuals of a particular species that and environment can support based on the resources it has. The population of a species in an environment grows and oscillates around the carrying capacity of the environment.Now let us look at the graph. The population size grew from 0 and then leveled off at 2,000 with time. The leveling-off also happened without any oscillation, meaning that the maximum population size the environment can support is 2,000.
Hence, the portion on the graph that indicates the carrying capacity would be the plot where the population size is 2,000 and the time being between 12 and 18. This has been circled and labeled as 'K' in the attached image.
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Answer:
2,000
Explanation:
Right on Plato ;)
The principle of dominance is a
inheritance pattern. It states traits that are
Answer:
This question is incomplete, it is asking to fill in the missing gaps as follows:
The principle of dominance is a ______ inheritance pattern.
It’s states traits that are ______ mask the traits that are______
The answers to the missing gaps are: MENDELIAN, DOMINANT, RECESSIVE
Explanation:
Gregor Mendel proposed the principles that govern inheritance. These principles are called MENDELIAN inheritance pattern because they align with or follow the principles of Mendel. One of these principles by Mendel is the LAW OF DOMINANCE.
Mendel has previously stated that there are two alleles for each gene. Each contrasting allele encodes a different phenotype. However, the law of dominance states that one of these two alleles called DOMINANT allele has the ability to mask the phenotypic expression of the other allele called RECESSIVE allele. In other words, a dominant trait will mask the recessive trait.
For example, in a gene Tt, allele 'T' for tallness is dominant and hence, will mask the phenotypic expression of allele 't' for shortness. This means that the tall trait (dominant) will mask the short trait (recessive) as explained by Mendel's law of dominance.
An atom with 17 protons 17 neutrons and 17 electrons has a net charge of what
Answer:
0
Explanation:
Since we have the same amount of protons and electrons, our net charge is 0.
Hope this helped,
~cloud
I need help which one is it so I can pass summer school
Answer:
the correct answer is will be option b
Explanation:
I hope this help you have a great day
Which level of organization is characterized by a group of cells that work together to perform a common function?
organ
tissue
organ system
organism
Answer:
B
Explanation:
Answer:B
Explanation:
A poison placed on the tips of darts by natives of the Amazon rainforest paralyzes prey such as small mammals. Which of the prey's cells are most likely affected by the poison?
muscle cells
epithelial cells
red blood cells
white blood cells
Answer:
Muscle cells
Explanation:
If they are paralyzed it stops use of the muscles. like... just read it bro
The cells in the prey that are most likely influenced by the poison present in the darts exist the muscle cells.
What are muscle cells?A muscle cell exists also known as a myocyte when directed to either a cardiac muscle cell or a smooth muscle cell as these exist both small cells. A skeletal muscle cell exists long and threadlike with many nuclei and is named a muscle fiber. Muscle cells originate from embryonic precursor cells named myoblasts.
The muscle cells exist as a specialized kind of cell (one of the four tissues) that can contract to exert action.
These cells (muscle cells) can be paralyzed by utilizing various inhibitors of movement such as poisons.
In conclusion, the cells in the prey that exist most likely affected by the poison present in the darts exist the muscle cells.
The cells in the prey that exist most likely influenced by the poison present in the darts exist the muscle cells.
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xà phòng hóa hoàn toàn 66,6 gam hỗn hợp 2 este HCOOC2H5 và CH3COOCH3 bằng dung dịch NaOH thu được hỗn hợp X gồm 2 ancol. Đun nóng hỗn hợp X với H2SO4 đặc ở 140 độ C sau phản ứng xảy ra hoàn toàn thu được m gam nước. Giá trị của m
Answer:
IS THIS EVEN ENGLISH YES
Explanation:
how do you think the weight and the lift should not be of the same magnitude
Answer:
There is because one is short and one is long
An example of a density-independent factor that affects a population's growth is Select one: a. insects eating your tomato plants. b. your tomato plants competing for water. c. a fungus infecting your tomato plants. d. frost killing all of your tomato plants. e. All answers are correct.
Answer:
The correct answer is - D. frost killing all of your tomato plants.
Explanation:
Density independent factors are the factors that are limiting factor that are affects the size of population of the living beings without being affected by density of population. In such factors density of population does not play any role or affect the size of population.
In the given option other than frost all are density dependent factors affecting size of population.
Signal transduction pathways that include a phosphorylation cascade
are generally initiated by a phosphorylase enzyme and limited to one step
are generally inactivated by a kinase enzyme and decrease signal transduction efficiency
are propagated by steroid hormone receptors to reach the final cellular response in one step
cause a structural change in each phosphorylated protein, with the addition of a phosphate group to activate the protein
Answer:
Signal transmission paths Learn how signals are transmitted within a cell from the cell membrane receptor. The chains of molecules that pass intracellular signals are known as intracellular signal transduction pathways.
Signal transduction pathways that include a phosphorylation cascade cause a structural change in each phosphorylated protein, with the addition of a phosphate group to activate the protein. Thus, the correct option for this question is D.
What is the Phosphorylation cascade?The Phosphorylation cascade may be characterized as a series of signaling pathways that significantly involve the activation of one enzyme through the effect of other in order to accomplish the downstream signaling pathway.
According to the context of this question, the process of phosphorylation involves the addition of a phosphate group over the compound in order to stimulate its activity. This is accomplished by the structural change in each phosphorylated protein, with the addition of a phosphate group to activate the protein.
Therefore, the correct option for this question is D.
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pls help I will mark brainlest
Answer:
Renewable resources can be replaced by natural processes as quickly as humans use them. Examples include sunlight and wind. Nonrenewable resources exist in fixed amounts. They can be used up.
I Hope this will help you if not so advance sorry :)
My pet mouse had babies and then it ran away and i dont know what to do
Câu 6: Gà có 2n =78. Vào kỳ trung gian, sau khi xảy ra tự nhân đôi, số nhiễm sắc thể trong mỗi tế bào là:
A. 78 NST đơn. B. 78 NST kép. C. 156 NST đơn. D. 156 NST kép.
Câu 7: Ở người (2n = 46), số NST trong 1 tế bào tại kì giữa của nguyên phân là:
A. 23 NST đơn. B. 46 NST kép. C. 46 NST đơn. D. 23 NST kép.
Câu 8: Ở ruồi giấm, có bộ NST 2n = 8 vào kỳ sau của nguyên phân trong một tế bào có:
A. 8 NST đơn. B. 16 NST đơn. C. 8 NST kép. D. 16 NST kép.
Answer: 6A 7D 8B
Explanation:
Biological method involves all the following except
(a) data collection (b) observation (c) proportion (d) experiment
