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vlabodo [156]
3 years ago
9

Help plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

Biology
1 answer:
Lorico [155]3 years ago
7 0

Answer:

the answer is Carbon-12

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During meiosis, homologous chromosomes exchange genetic material. This exchange of genetic material —
pantera1 [17]

Answer:

Crossing over

Explanation:

This exchange of genetic material is called chromosomal crossover, or crossing over.

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2 years ago
If you were told that you would get extra credit for finding a model showing chromsomes separating while sister chromatids were
NeTakaya

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anaphase

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Golf courses make use of fertilizers to keep the grass green and healthy. Using your knowledge of osmosis, explain how applying
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Osmosis is the diffusion of water. Water tends to diffuse to the area with a higher concentration of solute. (Particles) In this case, Im assuming the fertilizer is the solute because it contains chemicals. Therefore, since water tends to diffuse to higher concentration of solute, the water in the grass will diffuse out to dilute the fertilizer on the surface of the grass. Without water, the grass will be dehydrated and shrivel up and die. Hopefully you find my answer helpful!
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3 years ago
Which statement best descibes a cause and effects that occurs during the process of muscle contration?
ExtremeBDS [4]
The most appropriate statement that is explaining the effect and cause during muscle contraction is. “The release of calcium ions causes myosin and actin to attach to each other.” The activation of muscles helps in the generation of muscles that send out the signals to the neurons.
8 0
2 years ago
Gastrulation, when the cells organize themselves into an embryo occurs 2 weeks after conception. What do the 3 layers of cells g
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Answer:

Gastrulation is the process where the developing embryo forms the process of the 3 germ layers. These germ layers are formed due to the movement of the single-layered blastula. Gastrulation starts during the third week of the human embryo.

The three germ layers give rise to different organs of the fetus. The 3 layers are ectoderm or outer layer, mesoderm or middle layer, and endoderm or inner layer.  

These 3 germ layers give rise to different organs of the human fetus. Ectoderm forms epidermis, skin, hair, olfactory organs, eye lense. glands like pituitary. Sensory nerves, skeleton, pigment cells are also formed from ectoderm.  

Ectoderm also forms a neural tube that further divides to form the brain, spinal cord.

Mesoderm form the vertebral column, skeletal muscle, excretory organs, reproductive organs. It also forms blood cells, blood vessels, body cavity or coelom.

The inner layer endoderm gives rise to the lining of the digestive tract, liver, pancreas, bladder, etc.

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3 years ago
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