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azamat
3 years ago
13

How many rounds of dna replication are there in a meiotic cell cycle?

Biology
1 answer:
RUDIKE [14]3 years ago
7 0

Answer:

Two rounds

Explanation:

Meiosis is characterized by one round of DNA replication followed by two rounds of cell division, resulting in haploid germ cells. Crossing-over of DNA results in genetic exchange of genes between maternal and paternal DNA.

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The ________ extends through the hindbrain, midbrain, and forebrain.
Lemur [1.5K]

Answer: option C) Pons

Explanation:

Pons, or better still, the pons Varolii is a band of nerve fibers located within the brain stem. While, the brain stem is known to connect the spinal cord(Hind brain) to the fore brain

Thus, Pons extends through the hindbrain, midbrain, and forebrain.

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3 years ago
Describe how the same signal molecule (i.e., a hormone or neurotransmitter) can induce different types of effects in different c
Leto [7]

Answer:

it Changes according to the receptor.

Explanation:

Every cell has different receptors in the membrane, these receptors are specific, but different receptors can read one signal molecule, according to the receptor, this molecule can activate or inactivate different path ways.

Let me put it this way, if I give the same message to a botanist and a gardener they both are going to read it in different way even knowing it is the same.

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Which product of respiration is considered waste material and leaves the alveoli?
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Answer:

Carbon dioxide

Explanation:

The alveoli picks up the oxygen you breathe in and releases the outgoing waste product carbon dioxide

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3 years ago
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natima [27]

Answer:

Most autotrophs use a process called photosynthesis to make their food. In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose. Glucose is a type of sugar. The glucose gives plants energy

Explanation:

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How do rivers affect the land they flow through
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River water contains minerals and nutrients that can be beneficial to plants on the land, helping them to grow.

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