Which statement isn't true?

Answer:

Explanation:

Answer:

Coelenterates are the first invertebrates to develop a true nervous system.

Two forces are applied on the rope of the magnitude 400N to the right and 600N to the left, as a result of these forces the net force on the object will be 200N. Thus, the correct option is A.

Net force is the resultant force of the total force which is being applied on an object. It is the sum total of the effect of all the forces on an object. Forces which are applied in opposite directions cancel out each other.

If the net force applied on an object is not zero, then it can be said that the object is not in equilibrium, and thus Newton's Second Law can be used to determine the motion of the object.

Here, two forces of different magnitudes and in opposite directions are applied on the rope to pull the rope. The forces are 400N to the right and 600N to the left.

As a result of these forces, the net force applied on the rope can be calculated by:

Net force = Difference between the forces applied in opposite directions or the sum of the forces which are applied in same direction

Net force = 600N (force applied to the left) - 400N (force applied to the right)

Net force = 200 N and the direction will be left as the magnitude is more in left direction than right

Therefore, the correct option is A.

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Answer:

La célula es la unidad anatómica y fisiológica de todos los seres vivos. Lleva un proceso de división celular denominado mitosis en donde a partir de una célula madre se generan dos células hijas exactamente iguales. ... La mitosis en seres pluricelulares tiene la función de crecimiento y reparación.

Explanation:

Answer:

Flexion of the hip joint occurs when the femur (upper leg) moves forwards, which happens when long jumpers land or at the end of kicking a ball.

Explanation:

Answer:

Capillary action helps bring water up into the roots. But capillary action can only "pull" water up a small distance, after which it cannot overcome gravity. To get water up to all the branches and leaves, the forces of adhesion and cohesion go to work in the plant's xylem to move water to the furthest leaf.

Explanation:

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Water is moved up through the plant by capillary action from the soil.

Hydrogen connections between water molecules give them a sticky property that allows them to form droplets. Droplets can stick to the plant  because of adhesion.

Capillary action is the movement of liquid along a solid's surface induced by the attraction of the liquid's molecules to the solid's molecules.

The movement of a liquid across the surface of a solid induced by adhesion between the two is known as capillary action.

The higher the water climbs on its own, the narrower the tube becomes. Water is forced up the columns of cells in the xylem and through fine tubes in the cell wall by adhesion in plants.

The transport of water through the plant is known as capillary action. When the adhesion is stronger than the cohesion, this movement happens. The attraction between water molecules is natural. The transient hydrogen bonds that they form are the source of their attraction.

The act of attaching one thing to another is known as adhesion. Water adheres to the organic tissues of plants thanks to adhesion.

Cohesion is the property that allows molecules of the same substance to stick together.

Water molecules are held together by cohesion in plants. Intermolecular attraction leads liquids to create a top or outer layer that acts like a thin film.

The shape of water drops is determined by surface tension, which also holds structures together as they absorb water.

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Answer:

what is the image?

Explanation:

Answer:

C

Explanation:

Drying food with low fire

In order to observe a specimen under 4X objective lens, the following procedures must be observed:

In order to observe the same specimen under the 100X objective:

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Answer:

4x marks and 2x side so yea

Answer:

eukaryotic plant cell

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Only eukaryotic plant cells have a cell wall and a nucleus. Option 2 is correct.

Eukaryotic cells are cells that have a nucleus and other membrane-bound organelles. Prokaryotic cells do not have a nucleus or other membrane-bound organelles.

Plant cells are eukaryotic cells that have a cell wall. The cell wall is a rigid structure that surrounds the cell membrane. It provides support and protection for the cell. Animal cells do not have a cell wall.

The nucleus is the control center of the cell. It contains the DNA, which is the genetic material of the cell. The nucleus also contains proteins that control the activities of the cell.

So, if a student observes a cell under a microscope and sees a cell wall and a nucleus, she is observing a eukaryotic plant cell.

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Answer:

Group B

Explanation:

because it the primary consumers eat fruits and seeds and the secondary consumers eat insects

Mitochondria, using oxygen available within the cell convert chemical energy from food in the cell to energy in a form usable to the host cell. The process is called oxidative phosphorylation and it happens inside mitochondria. ... In ATP the energy is stored in the form of chemical bonds.

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Answer:

A. Cellular Respiration.

Explanation:

Answer:

qualitative data. ....

Explanation:

A plant that utilizes the Crassulacean acid metabolism (CAM) as an adaptation for arid conditions. CO2 entering the stomata during the night is converted into organic acids, which release CO2 for the Calvin Cycle during the day, when the stomata are closed.

Answer:

E

Explanation:

E is the answer because first mitosis occur in cell while meiosis occur in a body

Answer:

Golgi Apparatus

Explanation:

Answer:

Adaptation

Explanation:

The presence of specific features, which enable a plant or an animal to live in a particular habitat, is called adaptation.

when animals adapted environment they can survive

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Answer:

A. Large amounts of water force open cracks in rocks

Explanation:

Hydraulic fracturing, or fracking, is a drilling method used to extract petroleum (oil) or natural gas from deep in the Earth. In the fracking process, cracks in and below the Earth's surface are opened and widened by injecting water, chemicals, and sand at high pressure.

A is basically explaining this the same way. Forcing cracks in the ground with liquids.

Hopefully I was a help to you. If not I am sorry and I wish you the most wonderful of days. :)

Answer:

b) Hydrogen

Explanation:

The figure shows the hydrogen bonding of two H2O molecules. The red atom is Oxygen which is δ−, and the white atom is Hydrogen which is δ+, this is determined by their electronegativity. H2O molecules can form hydrogen bonding when the Hydrogen atom bonds through hydrogen bonding to the oxygen atom and vice versa.

This type of bond is an intermolecular bond

Answer:

1.is the answer to the question

In Sanger sequencing, once a modified nucleotide is incorporated into the DNA, there is no free 3'OH group to attach the next nucleotide being added. This phenomenon is useful to sequence a polynucleotide chain.

Dideoxynucleotides (ddNTPs) are nucleotide inhibitors of the DNA polymerase, it is for that reason that they are used in Sanger sequencing.

The ddNTPs are similar to natural deoxynucleotides used by cells during ADN replication; however, ddNTPs lack a hydroxyl (OH) group on the 3’ carbon of the deoxyribose.

In consequence, once a ddNTP is added, DNA synthesis cannot progress, thereby this phenomenon can be used to determine the order of nucleotides during the elongation of a polynucleotide DNA chain.

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Answer:

ATP is found in mitochondria, and mitochondria are found in the cytoplasm

Explanation:

ATP is found in mitochondria and mitochondria are found in the cytoplasm. So the correct option is A.

The majority of the chemical energy required to drive a cell's metabolic operations is produced by mitochondria, which are membrane-bound cell organelles (mitochondrion, singular). Adenosine triphosphate, a tiny molecule, serves as a storage container for the chemical energy generated by the mitochondria (ATP). Small chromosomes found in mitochondria are found there. In most cases, mitochondria and consequently mitochondrial DNA are exclusively passed down from the mother.

Organelles that are membrane-bound include mitochondria, however, they are membrane-bound with two distinct membranes. And for an intercellular organelle, that's extremely remarkable. Those membranes provide the fundamental function of mitochondria, which is to create energy. Chemicals within the cell must be transformed, or they must go via routes, in order to create that energy.

Because phosphate is a high-energy bond and supplies energy for other processes within the cell, the conversion process results in the production of energy in the form of ATP. Consequently, the mitochondria's function is to generate that energy. Because certain cells require more energy than others, they differ in the number of mitochondria they contain.

Therefore the correct option is A.

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Answer:

red-hot iron bar

Explanation:

An iceberg could even contain more heat energy than a cup of coffee or a red-hot iron bar. That's because its bigger and contains so many more molecules, each of which has some heat energy. The coffee and the iron bar are hotter (have a higher temperature), but the iceberg holds more heat because it's bigger.

Answer:Fertilizers provide crops with nutrients like potassium, phosphorus, and nitrogen, which allow crops to grow bigger, faster, and to produce more food. To grow, plants require nitrogen compounds from the soil, which can be produced naturally or be provided by fertilizers.

Explanation:

Answer\

poor sewage systems

Explanation: