Which statement is true about prokaryotic cells?
A) Prokaryotic cells don't have a cell membrane
B) Prokaryotic cells don't have DNA
C) Prokaryotic cells don't have a nucleus
D) Prokaryotic cells can't reproduce without a host

Explanation:

The First Quarter happens around day 7 of a Moon's cycle (one week after the New Moon) and the Third Quarter usually happens around day 22

So from this add 22 in the actual date to get answer

Which is 31 march

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The First Quarter happens around day 7 of a Moon's cycle (one week after the New Moon) and the third quarter usually happens around day 22.So from this add 22 in the actual date and on 31st march there would the next First Quarter Moon.

Lunar phase is the phase of moon which is viewed from the earth, the lunar phase is also known as moon phase is a shape of moon's directly sunlit portion and it can be expressed quantitatively.The current moon phase for today is the new moon phase.

The moon is known as earth's only natural satellite and combinedly with earth it forms the earth-moon satellite system.

The size of moon is one quarter of earth in diameter. It is fifth largest satellite in the solar system. The distance of moon from earth is  384,400km. The radius of moon is 1,737,4 km. The gravity of moon is 1.62 m/sec^2.

The total surface area of moon is 3.793×10^7 km square and it's surface pressure is 10^-7 Pascal. There are total 8 phase of moon and these are new moon, first quarter, waxing gibbous, third quarter and waning crescent.

Therefore,The First Quarter happens around day 7 of a Moon's cycle (one week after the New Moon) and the third quarter usually happens around day 22.So from this add 22 in the actual date and on 31st march there would the next First Quarter Moon.

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Answer:

Electron microscopes

Explanation:

Explanation:

Bacteria have a thin flexible cell wall. Only plant cells have primary and secondary cell walls.

Answer:

there energy levels go into overdrive

Explanation:

and that is what is called a sugar rush  

Answer:

B

Explanation:

Animals, plants, and fungi are multicellular organisms so therefore B

When water is turned on in a shower, the shower curtain moves towards the water due to the pressure of a moving fluid.

The water coming out of the showerhead has kinetic energy and exerts a force on the air in front of it. This creates an area of lower pressure immediately in front of the water stream. The higher atmospheric pressure outside the shower pushes the shower curtain towards the lower pressure area, causing it to move towards the water. This phenomenon is known as the Bernoulli's principle, which states that as the velocity of a fluid increases, the pressure within the fluid decreases. It is not related to surface tension, capillary action, or heat capacity.

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Complete Question

When water is turned on in a shower, the shower curtain moves towards the water.

This has to do with surface tension.

capillary action.

pressure of a moving fluid.

heat capacity.

none of these

To perform the acid-fast procedure, the following steps must be followed in the correct order. First, apply carbolfuchsin to the smear and heat it over a flame or hot plate until steam is produced.

Next, place the slide over a heated beaker of water and allow it to steam for several minutes. After steaming, remove the slide from the heat and rinse it with water. Then, apply acid-alcohol to the smear, let it sit for a few minutes, and rinse it again. Next, apply methylene blue to the smear and rinse it again. Finally, blot the slide dry with filter paper and view it under a microscope.

These steps are necessary for identifying acid-fast organisms such as Mycobacterium tuberculosis.

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The child development stuff is well known to the doctors and the nurse, and they advise mothers during the time of the pregnancy to take care of the baby in different ways.

The medical field employs a variety of personnel, including doctors, experts, nurses, caregivers, and others, but the doctor and nurse roles are directly related to patients. They take care of patients of different types, such as those with minor to major health issues.

Hence, the child development stuff is well known to the doctors and the nurse, and they advise mothers during the time of the pregnancy to take care of the baby in different ways.

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Answer:

cotton, tabacco,rice, and wheat

The process is bioconversion (C) , which involves the transformation of organic materials by microorganisms to produce a useful product such as methane.

Bioconversion(C)  can occur in a variety of settings, including anaerobic digesters where microorganisms break down biomass to produce methane gas. The process of breaking down organic matter, such as agricultural waste, food waste, or animal manure, in the absence of oxygen, through a series of biological processes, to produce methane gas is bioconversion.  The methane gas produced can then be captured and used as a source of renewable energy, either for heating or for generating electricity.

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It is expected to find the highest rate of primary productivity in the tropics during the fall (Option C).

The expression 'primary productivity' makes reference to the amount of biomass produced in an ecosystem by producer autotrophic photosynthetic organisms such as plants.

Primary productivity largely depends on the process of photosynthesis by which producers can generate carbohydrates by means of solar radiation.

The measure of primary productivity of a particular ecosystem is defined by the amount of energy that is transformed by photoautotrophic organisms such as plants and algae.

In conclusion, it is expected to find the highest rate of primary productivity in the tropics during the fall (Option C).

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The correct labelling of each cell structure found in animal cells and plant cells is as follows-

1.Plant cells are the smallest biological unit of life found in plants. They are classified as eukaryotic cells, which have a nucleus and organelles surrounded by a membrane.

2. Plant cells are very small and can only be viewed using a microscope and can be between 0.01 and 0.1 millimeters in size. Plant cells play a very important role in plant adaptation and contain chlorophyll which is responsible for trapping energy during photosynthesis.

3. Animal cells are the basic unit of life in organisms of the kingdom Animalia. They are eukaryotic cells, meaning that they have a membrane-bound nucleus with DNA inside.

4. They also have other membrane-bound organelles that carry out different functions. Animal cells do not have a cell wall or chloroplasts, which are plant-specific organelles.

Lysosome - found in ANIMAL cells but not most plant cells.

Cell wall - found in PLANT cells but not animal cells.

Nucleus - found in both PLANT and ANIMAL cells.

Chloroplast - found in PLANT cells but not animal cells.

Rough endoplasmic reticulum (ER) - found in both PLANT and ANIMAL cells.

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★Methods To improve Sandy Soil:

— Work in 3 to 4 inches of organic matter such as well-rotted manure or finished compost.

— Mulch around your plants with leaves, wood chips, bark, hay or straw.

— Mulch retains moisture and cools the soil.

— Add at least 2 inches of organic matter each year.Grow cover crops or green manures.

Answer:

Soil is easily made out of compost which makess the soil healthy

Explanation:

Answer:

The DNA is packed into chromosomes. The DNA replication is the same as mitosis. And after the DNA is replicated, the homologous will double, and now each chromosome now has a homologous pair

Explanation:

Answer:

here's your answer hope it helps you

Explanation:

the strength of magnet increase with increasing number of turns in the coil.

the strength of the electromagnet is directly proportional to the number of turns in the coil. if you double the number of turns, you double the strength of the electromagnet.

The number of wire coils on an electromagnet affects the strength, as the strength is directly proportional to the number of turns in the coil.

An electromagnet is a type of magnet where an electric current creates a magnetic field. The wire that makes up an electromagnet is typically twisted into a coil. A magnetic field is produced by a current flowing through the wire and is concentrated in the hole at the center of the coil.

As the coil's turns grow, the magnet's strength does as well. The coil's number of turns directly relates to the electromagnet's strength. The electromagnet's strength doubles when the number of rotations is doubled.

Therefore, since the strength is inversely related to the number of turns in the coil, the number of wire coils on an electromagnet affects its strength.

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Answer:

1. A

2. B

Explanation: #2 is B because sedimentary rocks have layers that you see in places such as canyons. Sedimentary rocks are made from grains so you can see that kind of texture in the image. Igneous rocks are made from the cooling and solidification of lava. They have that shiny texture.

Hope this helps! :)

Answer:

1. A

2. B

Explanation:

1. Igneous rocks are formed from by lava, Igneous rocks are various crystalline or glassy rocks formed by the cooling and solidification of molten earth material

2. Sedimentary rocks are formed from pre-existing rocks or pieces of once living organisms. They form from deposits that accumulate on the Earth's surface

Answer:

it's actually true maybe

Answer:True mark me brainlist if correct then no if wrong

Explanation:

I think the answer is true

Answer: Plants use all of the glucose they produce for respiration. All of the oxygen released in photosynthesis is released by plants; some of it is needed for anaerobic respiration. Because there is a net release of oxygen, we have an oxygen-rich atmosphere on Earth to support other animals. Animals can’t use solar energy directly, but plants convert solar energy into kinetic energy in the form of glucose and other organic molecules and this transfers through the food chain to animals.

Explanation Corrected version

Plants do not use all of the glucose they produce for respiration. All of the oxygen released in photosynthesis is released by plants; some of it is needed for aerobic respiration. Because there is a net release of oxygen, we don't have an oxygen-rich atmosphere on Earth to support other animals. Animals can’t use solar energy directly, but plants convert solar energy into chemical energy in the form of glucose and other organic molecules and this transfers through the food chain to animals.

John Steinbeck in a book Of Mice and Men gives the best example of friendship. because, Of Mice and Men is set in California in the world of migrant workers. Friendship is a central theme in Of Mice and Men.

John Steinbeck wrote the novella Of Mice and Men. It was written in 1937 and tells the story of two displaced migrant workers named George Milton and Lennie Small, who roam around California in quest of new employment prospects during the Great Depression. He met the people and visited the places that would eventually serve as the inspiration for his best works, including Of Mice and Men, during this time of itinerant farm work. In truth, Steinbeck asserted that Lennie's tale was migrant workers inspired by a true event in which he saw a murder take place while he was at work on a ranch.

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There is large difference in the land mass between the two hemispheres. ... Water maintains its temperature longer than land so there is more differential heating in the northern hemisphere.

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Answer:

There is a large difference between land mass.

Explanation:

The difference in land mass makes some parts heat up easier then the other half.

If I am understanding correctly, the first thing they are asking you to do is match nitrogen bases.

Adenine (A) always pairs with thymine (T), and guanine (G) always pairs with cytosine (C).

Then, whichever are the double strands, cut them out and put them into you notebook. (I am not sure where the notebook is, but I am assuming you know)

Then in the speech bubble next to the picture of Chargaff- talk about his rule.

What does the rule mean?

What does the rule explain?

How is the rule demonstrated?

Lastly, finding percents. What percent of the pairs has Adenine in them?

For example:

If I look at this pairing below

A →T

T→ A

G →C

C→ G

50% of the pairs include Adenine.

Hope I helped! Comment if you have questions about my answer :)

Answer:

If the sequence of nitrogenous bases of a DNA strand is ATCTAGGCCG, the complementary strand would be TAGATCCGGC, with a percentage of guanine 30%, cytosine 30%, adenine 20% and thymine 20%, according to Chargaff's rule.

Explanation:

DNA is made up of sequences of nitrogenous bases, which are adenine (A), guanine (G), thymine (T) and cytosine (C).  The bases of one strand are matched with the bases of another, according to the complementarity of nitrogenous bases, where:

The image shows a DNA chain whose chain is complementary:

DNA Strand given      Complementary Strand

    Adenine                                Thymine

    Thymine                                Adenine

    Cytosine                                Guanine

    Thymine                                Adenine

    Adenine                                Thymine

    Guanine                                 Cytosine

    Guanine                                 Cytosine

    Cytosine                                Guanine

    Cytosine                                Guanine

    Guanine                                 Cytosine

Therefore, in a DNA molecule there is as much adenine as thymine, and an equal amount of cytosine and guanine. In this example there are 4 molecules of adenine, 4 molecules of thymine, 6 guanines and 6 cytosines.

The proportion or percentages of nitrogenous bases can be calculated according to Chargaff's rule.

Chargaff was able to establish that in a DNA molecule the ratio of purine:pyrimidine of 1:1, so there must be the same amount of thymine as adenine and a similar amount of guanine for the cytosine, according to the complementarity of bases.

Taking into account the law of the base pair, if in a DNA chain there is 30% of Adenine, in the molecule there is:

Guanine 30%

Cytosine 30%

Adenine 20%

Thymine 20%

Total ..... 100%

The primary muscles involved in chewing and propelling the food bolus into the pharynx for the early stages of swallowing are Masseter, Temporalis,Medial and lateral pterygoids, tongue muscles, and pharyngeal muscles.

Masseter muscle helps with the elevation of the lower jaw, allowing for biting and chewing of food. Temporalis muscle also aids in elevating the lower jaw and plays a role in maintaining jaw closure. Medial and lateral pterygoids muscles help move the lower jaw from side to side, assisting in grinding food.

During chewing, these muscles work together to break down the food into smaller particles. As you begin to swallow, the following muscles help propel the food bolus into the pharynx are tongue muscles push the food bolus towards the back of the mouth and into the pharynx, and Pharyngeal muscles contract to move the bolus from the mouth into the pharynx. In summary, the masseter, temporalis, medial and lateral pterygoids, tongue muscles, and pharyngeal muscles work together to help you chew and propel the food bolus into the pharynx for the early stages of swallowing.

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Answer:

The savanna biome, which is a type of grassland biome, consists of areas of open grassland with very few trees. There are two kinds of savannas: tropical and semi-tropical

Explanation:

Answer:

1. Having two similar gametes in which no differentiation can be distinguished, or reproducing by the union of such gametes.

e.g. in Spirogyra and Ulothrix

2. Anisogamy refers to a type of sexual reproduction in which two dissimilar gametes unite or fuse. The gametes may differ in size or form.

Example : human beings, the male gamete sperm is smaller and motile while the female gamete egg is non motile and larger.

3. having or involving a small motile male gamete and a large immotile female gamete.

E.g. Volvox, Fucus

Answer:

Phloem is the vascular tissue in charge of transport and distribution of the organic nutrients. The phloem is also a pathway to signaling molecules and has a structural function in the plant body. It is typically composed of three cell types: sieve elements, parenchyma, and sclerenchyma

Explanation:

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Answer:

About 76% of the oxygen