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Olegator [25]
3 years ago
5

Which organelles are needed to bring in or move out materials from the cell

Biology
1 answer:
lana [24]3 years ago
4 0

Answer:

Molecules can diffuse across membranes via transport proteins, or they can be aided in active transport by other proteins. Organelles such as the endoplasmic reticulum, Golgi apparatus, mitochondria and peroxisomes all play a role in membrane transport.

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Describe 2 human actions that cause water pollution.
ella [17]
Throwing waste in to water, or spilling anything in the water that's not supposed to be in the water
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3 years ago
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State the level of organization of euglena onion bulb and blood
saw5 [17]

Answer:

The correct answer is -

Euglena - single-cell organism

Onion bulb - organ

Blood - tissue (connective tissue)

Explanation:

The level of organization of an organ, or organism could be cellular level, tissue level, the organ level, organ system, or a complete organism. These levels are formed by assembling the lower level of the organization.

Euglena is a single-cell eukaryotic organism found in freshwater. These organisms have a very simple level of an organism which is cellular level. The onion bulb is the organ of the onion plant composed of shortened, compressed, underground stems (tissue) that are an organ-level organization.

The blood is considered as connective tissue due to the blood cells present in the matrix called plasm thus, blood is connective tissue.

6 0
2 years ago
I WILL GIVE BRAINLIEST
leva [86]

Answer:

A. Many dinosaurs were present in upper layers of rock strata, but not in lower layers.

Explanation:

In my opinion, this is the best possible answer.

7 0
3 years ago
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A DNA molecule is shaped like a twisted ladder, a shape that is called a(n) __________?​
Maksim231197 [3]

Answer: Its just called a twisted ladder. If you could give me the options i can answer!!

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The hypothalamus secretes corticotropin releasing hormone (crh) onto the anterior pituitary to stimulate secretion of
anastassius [24]
For Hypothalamo-Pituitary-Adrenal Axis of endocrine gland secretion, follow the root "CORTI" (C). This will be a great memory tool. Also, nearly all hypothalamic hormones that stimulate anterior pituitary secretion have the word RELEASING (hence "R" in their acronyms). So if asked what secretes CRH, GnRH, TRH, or GHRH... the answer will be the Hypothalamus because of the R.
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ACTH = Adreno[Corti]coTropic Hormone
Which will then stimulate secretion of [Corti]sol (a glucocorticoid), amongst others from the cortex of the adrenal gland. Notice the [Corti] follows the whole pathway from Hypothalamus to adrenal Cortex: Hypothal. (CRH) --> Ant. Pituit. (ACTH) --> Adrenal Cortex (Cortisol)
Sorry this was so long-winded, but I was hoping to help you grasp a portion of how the Endocrine System works!
Good luck and hmu should you have any further Anatomy/Physiology questions.
4 0
3 years ago
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