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Ierofanga [76]
3 years ago
15

During respiration, members of the animal kingdom use ______ and then release ______ as a waste gas.

Biology
1 answer:
eduard3 years ago
8 0
Oxygen; carbon dioxide
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A scientist is looking at multiple specimens on wet mount slides. On two slides he sees bubbles forming. He decides to investiga
Strike441 [17]

What visual you have evidence would he have to see on the microscope slides to support his claim:  moving components

What would be the source of the bubbles? oxygen creation

6 0
2 years ago
What happens in the postsynaptic neuron when excitatory neurotransmitters bind to receptors?
zubka84 [21]

Answer:

it causes the depolarization of the target cell

Explanation:

Glutamate is an excitatory amino acid neurotransmitter that binds to specific receptors on the surface of target cells and thus causes its depolarization. During glutamate-mediated depolarization, the difference in charge inside and outside the cell is lost due to the entry of sodium and calcium positive ions into the postsynaptic cell (neuron) through specific ion channels. Moreover, glutamate binding also leads to the exit of potassium ions from the cell, thereby resulting in excitation. Through this mechanism, glutamate regulates many signaling pathways, such as those involved in memory, learning, emotions, cognition, motor control, etc.

6 0
3 years ago
Fossils help us reconstruct plant and animal life in the past as well as their evolutionary processes, which can be either slow
mezya [45]
The correct answer is

Stasis

Population becomes isolated

After rapid change in isolated population

Reintroduction
6 0
3 years ago
What two types of amino acid sequences are needed in a protein to mediate post-translational farnesylation?
Hitman42 [59]

Answer:

Post translation farnesylation may be defined as a type of prenylation in which the isoprenyl group is added to the cysteine residues of the protein. This modification is important for protein and membrane interaction.

Basically two types of amino acid are required for the farsenylation modification. The signal peptide sequence is the short amino acid sequence that targets the ribosome in the endoplasmic reticulum. The sequence is generally lysine, aspartic acid, glutamic acid and leucine. The second sequence must be Caax (C is cysteine, a is aliphatic amino acid and X consists of C terminal amino acid.

8 0
3 years ago
You are observing a blood slide under the microscope and you see a large cell with a U-shaped nucleus and light blue cytoplasm.
velikii [3]

Answer: Monocytes.

Explanation:

Monocytes have a abundant amount of gray cytoplasm with fine lilac granules in it and because of this the cytoplasm appears ground glass.

The vacuoles are vacant and there is a gap sen in the cell as vacuoles when observed under microscope. The vacuoles of the monocytes are not stained.

They have a U-shaped nucleus and are extremely motile. The monocytes are lightly stained as compared to leukocytes.

4 0
3 years ago
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