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Nesterboy [21]
3 years ago
11

Help please !

Biology
1 answer:
lisabon 2012 [21]3 years ago
6 0

Answer:

1) A 2) C?

Explanation:

1)<em> Most tropical places lay around the equator </em>2) <em>Tundra's can get cool</em>

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What will most likely happen to a parasite if its host dies?
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Answer:

The parasite dies

Explanation:

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Describe the three steps that cause water to change during the water cycle
Vesna [10]
Hi there,

These are the three steps that causes water to change during water cycle: Ice  (solid), water which is just known as a (liquid), and gas (water vapor).

These are the three steps that cause water to change during the water cycle! Liquid, solid, water vapor.
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3 years ago
Studies of the endomembrane system often involve the use of a protein that can emit a green fluorescence (glow). A researcher wa
telo118 [61]

Answer:

The correct answers are: Ribosome, Mitochondria, Chloroplast (in case of a plant cell).

Explanation:

  • The Endo-membrane system in the cell represents the membranes of the Nucleus, Endoplasmic Reticulum, Golgi apparatus, Plasma Membrane, Vacuole and Lysosome.
  • The Nuclear Envelope is made up of a phospholipid bilayer which remains in continuation with the ER (endoplasmic reticulum) membrane.
  • Therefore, fluorescent tagged integral membrane protein localised in the outer nuclear envelope can move into the ER membrane by lateral movement or through vesicles that bud off from the membrane of the nuclear envelope and fuse with that of the ER membrane.
  • Vesicles bud off from the membrane of the ER and fuse with the Golgi apparatus. Therefore, the fluorescent tagged integral membrane protein can move into the membrane of the Golgi apparatus.
  • Vesicles bud off from the Golgi apparatus and fuse with the Plasma membrane, Lysosome membrane, and Vacuole membrane. Hence, the fluorescent tagged integral membrane protein can be found in all these organelles.
  • Ribosome lacks a membrane and hence, the fluorescent tagged integral membrane protein will be absent over here.
  • Both Mitochondria and Chloroplast, are self-replicating and dividing organelles. Their proteins (membrane or matrix) are encoded mostly by their own genome. Also, vesicles that bud from from nucleus or ER or Golgi apparatus do not fuse into their membrane. Hence, the fluorescent tagged protein would not be able to reach their membrane.
6 0
3 years ago
Dural venous sinuses carry blood and cerebrospinal fluid (csf).true or false
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<span>It is true, dural sinuses, cerebral sinuses, or cranial sinuses are venous channels found between the endosteal and meningeal layers of dura mater in the brain. They receive blood from internal and external veins of the brain,and receive cerebrospinal fluid (CSF) from the subarachnoid space via arachnoid granulations, and mainly empty in the internal jugular vein</span>
4 0
4 years ago
What properties are shared by all modern cells?
vampirchik [111]

Answer:

Cells come in many different shapes. Cells with different functions often have different shapes. Although cells comes in diverse shapes, all cells have certain parts in common. These parts include the plasma membrane, cytoplasm, ribosomes, and DNA.

Explanation:

found it on Google

6 0
3 years ago
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