In which stage of the cell cycle was the nucleus with 6 picograms of dna?

Since the resulting nucleotide is offset from its initial sequence by only one parallel nucleotide we can definitely say it is Missense mutation. This sort of a mutation is known as a nonsynonymous mutation, there is only one direct substitution that occurs in the codon producing a different amino acid.

Answer:

In the dim light, the cones in your eyes are ineffectual.

Explanation:

this is called LIQUEFACTION

The correct answer from these choices is liquefaction.

        Mitosis divides a parent cell into two identical daughter cells, each of which has the same amount of chromosomes. Meiosis, on the other hand, creates four distinct daughter cells, each of which has half as many chromosomes as the parent cell.

Answer : A, B

      Daughter cells that are genetically identical to their parent cells are created during mitosis. The cell divides its copied chromosomes equally to ensure that each daughter cell has a full set before copying, or "replicating," its chromosomes.

      A single cell divides into two identical daughter cells during the process of mitosis (cell division). facts Describe meiosis. A single cell splits twice during the meiotic process, resulting in four cells with half the original genetic material.

     Despite being all haploid, the gametes created during meiosis are not all genetically identical.

        The nuclei produced from meiosis are not genetically identical and they carry one chromosomal set only. This is half the number of chromosome sets in the initial cell, which is diploid.

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Histones is the term for the group of proteins that organizes and condenses long strands of DNA into tight coils.

DNA is made up of several chromosomes, made up of long strands of DNA coiled in a tight spiral with proteins called histones.

Therefore, we can conclude that histones is the term for the group of proteins that organizes and condenses long strands of DNA into tight coils.

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The correct answer is (B) Photosynthesis and diffusion from the air

Dissolved oxygen enters the water from photosynthesis and through air. The The aeration of water can be caused by wind. From the air oxygen diffuse into the water and gets mixed in the it through circulation. The oxygen is also produced as a waste product of photosynthesis from blue-green algae, phytoplankton, etc which is added in water.

Answer:

b

Explanation:

As the crop of tomatoes and corn get genetically resistant to diseases and pest attacks, the other crops which grow along with the main crop specifically the weeds get destroyed. This is so because the pest that earlier attacked the tomatoes and corn now only have weeds and other unwanted plants that can be attacked and fed upon. This may disturb the micro ecosystem with in the agricultural field.

Option C i.e It caused ruling class to realize dangers of deforestation is the correct answer.

Meireki fire of 1657 in Edo caused huge loss of lives and two-third of the city got completely destroyed.

The most important result of the fire was that the ruling class realized the dangers of deforestation and began to make laws for the protection of forests and trees.

Answer:

Inter phase is the resting phase between two cell cycles

Explanation:

The inter phase is the longest phase in the life cycle of a cell and is also known as resting phase of the cell in which the cell performs the following activities -

a) Cell acquire nutrients

b) Cell creates proteins and other molecules and uses them

c) Cell also starts replicating DNA molecule

c) Cell starts preparing for the process of cells division

There are three stages in a cell cycle -

a) Gap 1 phase

b) Synthesis phase

c) Gap 2 phase

The major function of inter phase is to prepare cell for cell division.

The right answer is A) Nnew = Nold  

Mitosis is a process of cell division that makes it possible to obtain from a mother cell two identical daughter cells to each other (and at the same time to the mother cell). So their chromosome number of the daughter cells is identical to those of the mother cell.

Chlorophyll b is an accessory pigment. Chlorophyll a is an essential pigment.

The range of wavelengths that a pigment absorbs is known as its absorption spectrum. The absorption spectra of three important pigments involved in photosynthesis—chlorophyll a, chlorophyll b, and -carotene.

Chlorophylls come in five main categories: chlorophylls a, b, c, and d, as well as bacteriochlorophyll, a similar chemical found in prokaryotes. The two primary photosynthetic pigments in plants are chlorophyll a and chlorophyll b. Blue and red wavelengths are absorbed by chlorophyll molecules.

Therefore, Chlorophyll b is an accessory pigment. Chlorophyll a is an essential pigment.

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Explanation:

In sea levels, tides used to fall and rise due to the gravitational forces exerted by the rotation of Earth, Sun and Moon.

This difference in height between successive high and low tides is called the tidal range as it tells the exact amount of rise and fall.

The tidal range changes according to the change in location of Sun and Moon and it is not constant.

Answer:

B. A secondary consumer that obtains its energy from the consumption of animals.

Explanation:

The red-tailed hawk is a secondary consumer because it feeds itself on primary consumers those that eat plants, herbivores. Secondary consumers, by definition, obtain their energy from eating other animals. Secondary consumers are also usually the ones that stand on the second and above rows of a food chain, being the plants at the bottom and the primary consumers just above the plants.

Answer:

The correct answer is the sun.

The sun is the ultimate source of energy of a food chain. This energy is trapped by the green photosynthetic plants under the process of photosynthesis.

Plants only absorb 2-8% of the PAR (photosynthetically active radiation- 400 700 nm) fallen on earth.

In addition, only 10% of the energy is transferred from one trophic level to the next one and rest 90% is dissipated in metabolic process or heat.

It is the reason that earth receives 10,000 times the total energy used by human beings as we are present on I and II trophic levels in a food chain.

The term that is used is "tiaga".

Explanation:

Tiaga is the russian name which is used for boreal forest and which is also called as "Spruce moose". The reason behind this is that characteristic animals of this biome also includes moose, that's why it is sometimes called spruce moose. This biome covers the area of province quebec of Canada.

Efflorescence on masonry can be caused by the formation of salt crystals, water's freezing and thawing, and physical disturbances from plants and animals.

Efflorescence that appears on the surface of a wall of brick, stone, or concrete masonry can be caused by several factors, including the formation of salt crystals within the rock, environmental factors like freezing and thawing of water in cracks, as well as physical disturbances such as cracking from plant roots and exposure by burrowing animals. This process occurs when water moves through a wall bringing salts to the surface. As the water evaporates, it leaves the salt deposits behind, which can cause a white, powdery residue to appear on the surface.Efflorescence is a common phenomenon observed on the surface of various masonry materials such as brick, stone, or concrete. It occurs when water containing dissolved salts migrates through the masonry substrate. As the water reaches the surface and evaporates, it leaves behind the salt deposits, resulting in the formation of efflorescence.

Answer:

B The microorganisms help keep nutrients cycling through the ecosystem.

Explanation:

Microbes form a very important part of the ecosystem. Along with other decomposers like fungi they help to recycle the nutrients.

Microbes break down dead and decaying matter, plant litter and animal waste into smaller components for their own utilization. This decomposition process is accompanied by release of chemicals like nitrogen, phosphorus and carbon in soil and atmosphere which can be again used by plants and animals. Once these animals and plants die, they again go through the same cycle. Hence microorganisms help keep nutrients cycling through the ecosystem.

Answer:

C,throwing a test tube at another student

Explanation:

Hazards are identified in mission planning through a process known as risk assessment, comprising of identification of hazards, assessment of risk, development of controls and evaluation of control effectiveness, with continuous evaluation ensuring effective hazard management.

Hazards are identified during mission planning through a process known as hazard analysis or risk assessment. This involves reviewing all aspects of the mission, including its objectives, resources, and environmental conditions. It consists of four key stages: identification of hazards; assessment of risk; developing controls; and evaluation of control effectiveness.

For instance, if the mission is launching a satellite into space, potential hazards might include equipment failure, adverse weather conditions, or human error. Each of these risks is assessed in terms of its potential impact on the mission and the likelihood of its occurrence. Controls are then developed to help mitigate these risks, such as double-checking equipment, checking weather forecasts, and providing thorough training to all personnel involved.

Throughout this process, continuous evaluation is conducted to ensure that all identified hazards have been effectively managed, and the mission can be carried out safely and successfully.

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