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BARSIC [14]
4 years ago
7

When a sperm and an egg first unite a single new cell called a ____________ is formed?

Biology
1 answer:
Naddik [55]4 years ago
7 0
In humans, the male gamete is called a sperm and the female gamete is called an egg. When the gametes join they form a cell called a zygote. 

Hope this helps
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Taya2010 [7]

valence electrons are the electrons on the outermost ring.

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3 years ago
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The big bang theory states that _________ 1.the universe will explode 2. the universe is contracting 3.the universe cannot expan
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Answer:

4.

Explanation:

The universe began as a small, dense ball of matter. Gravity pulled it into itself, causing and explosion, hence the "big bang" Please mark brainliest! And ask more questions if you need!

5 0
3 years ago
Though plants, fungi, and prokaryotes all have cell walls, we place them in different taxa. Which of these observations comes cl
PtichkaEL [24]

Answer:

Due to other differences.

Explanation:

The plants, fungi, and prokaryotes all have cell walls, we place them in different taxa because of the other differences such as mobility, mode of nutrition etc. Plants and fungi are not mobile means can not move from one place to another whereas prokaryotes are mobile. Fungi and prokaryotes are heterotrophs means that feed on other organism whereas plants are autotrophs means make their own food. There is also difference in their cell wall i.e. the cell of plants is composed of cellulose, the cell wall of prokaryotes especially bacteria is composed of peptidoglycans and the cell wall of fungi is composed of chitin.

7 0
3 years ago
During exposure to elevated glucose, a yeast cell's membrane glucose transporters will rapidly increase so the cell can import g
atroni [7]

Answer:

Answer is glucose.

Explanation:

Glucose is very important to the yeast cell. Because, it is known to be the energy and carbon source to the yeast cell.

Apart from the importance mentioned, the glucose also act as a signaling molecule.This means that , it can regulate the physiology aspects of the yeast cell.

It should be noted that, a signaling molecule can be described as a molecule capable of transmitting information between or among the cells.

3 0
4 years ago
Neurotransmitters can affect postsynaptic cells by I) initiating signal transduction pathways in the cells II) causing molecular
Yakvenalex [24]

Neurotransmitters can affect postsynaptic cells by causing molecular changes in the cells.

The term "chemical messengers of the body" is frequently used to describe neurotransmitters. The nervous system uses these molecules to send information between neurons or from neurons to muscles. A neurotransmitter influences a neuron in one of three ways: excitatory, inhibitory or modulatory.

When a stimulus is potent enough, the chemical messenger neurotransmitter is transferred into the nerve impulse. If it is powerful enough, it will reach the postsynaptic cell and affect the structure of the neuron. And when signal transduction happens, everything mentioned above is completed.

To know more about neurotransmitters visit the link:

brainly.com/question/15257730?referrer=searchResults

#SPJ4

8 0
2 years ago
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