Which of the following represents a normal

Biology

2 answers:

Sedbober [7]3 years ago

8 0

Dr means that it will be combined with another gamete in order to create an offspring

eimsori [14]3 years ago

6 0

Answer:

C. Dr

Explanation:

Gametes only carry one allele for each trait

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Which cells are responsible for the movement of photosynthates through a plant?

jasenka [17]

Answer:

sieve-tube elements, companion cells

Explanation:

Sieve-tube elements and companion cells are responsible for the movement of photosynthes through a plant.

The sieve tube elements are shorter (almost organelle-free) living cells, placed end to end, forming the sieve tubes. Their transverse cell walls are called sieve plaques that make connections between cells and through openings called sieves establish the connection between the cytoplasm of adjacent cells. Each sieve is coated with calose (glucose polymer), which in winter can completely clog the vessel and then dissolve in spring. When infections occur or the vessel is parasitized, it can also be clogged with callose.

Companion cells are specialized parenchymal cells, which contain all the components that exist in living cells, including the nucleus, are the cells most closely linked to the sieved tube element. The Screened Tube Element and its companion cells are related in development, are derived from the same mother cell, and have several cytoplasmic connections to each other. Due to the many connections, the potential function of the companion cells is to release substances into the sieved tube element and, when the nucleus is absent, to include information molecules, proteins and ATP. When a screened element dies, its companion cells also die, which is a demonstration of this interdependence.

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All extremities of the human body, including fingers, hands, arms, toes, feet, legs, ears, and the nose, could be examined by a nurse to confirm a diagnosis of frostbite. As frostbite is a condition of the skin, any exposed area should suffice to confirm the diagnosis.

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What organisms eat the same type of food in the kelp forest ecosystem

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Answer:

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Explanation:

In an ocean ecosystem, many types of fish and turtles are herbivores that eat algae and seagrass. Sea urchins are powerful primary consumers in kelp forests.

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Match the chemical reaction with its correct type.

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