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Archy [21]
3 years ago
5

Why are viroids not considered to be a type of virus?

Biology
1 answer:
strojnjashka [21]3 years ago
8 0

Answer:

d they do not produce a protein

Explanation:

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What describes the relationship being proteins dna and cells
pashok25 [27]

Answer:

Cells contain DNA that controls the production of proteins.

Explanation:

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3 years ago
A. Secretes hormones
Vadim26 [7]

Answer:

A. 3

B. 4

C. 5

D. 6

E. 2

F. 1

Explanation:

1. Integumentary system.

This is an organ system that consists of hair, skin, nails and exocrine glands with receptors that senses the outer stimulus and environmental conditions, through homeostasis maintain stability of the internal environment.

2. Nervous system.

It receives sensory information and signals, convert them to nerve impulses that are transmitted to the body and brain via the spinal cord using nuerons and axons. It also intergrates, retains and analyses information in the brain.

3.Endocrine system.

Secretes hormones and chemicals in response to stimulus from the nervous system to maintain balance using feedback loops i.e, negative and positive.

4. Lymphatic system.

Part of the immune system that consist of vessels that carries lymph, cleaning the blood by filtering lymph with foreign particles into the lymph node.

5. Urinary system.

Used to eliminate waste from the body, regulates blood pressure, volume and pH. It also used to retain electrolytes and metabolites.

6. Respiratory system.

Used for gaseous exchange using the blood, heart and lungs. Air enters the lungs, transported by blood and is pumped by the heart to all body parts where oxygen is dropped, carbon dioxide is collected by the veins to the lungs and released to the atmosphere.

8 0
3 years ago
Please help! No plagiarizing please! 6th grade work! Easy and 100 points!! Compare the parts of a cell and the cell as a whole t
larisa [96]

Hello, I did this project in seventh grade, and I still have my notebook from it! Here's the answer I wrote:

<u>A cell is like a restaurant.</u>

The cell membrane controls what goes in and out of the cell. It is like a door because it get things in and out of the cell, much like a door gets people in and out of a restaurant.

The chloroplast makes food for the cell by photosynthesis. It is like the chef because it makes and provides food for the cell, much like a chef makes food for the customers.

The nucleus controls the activities of the cell. It is like the kitchen becuase it holds information in the cell, and the kitchen holds all of the recipes.

The endoplasmic reticulum transports materials around the cell. It is like a waiter because it transports things around the cell, like a waiter transports food around the restaurant.

The mitochondria give the cell energy by breaking down food. It is like a customer becuase it breaks down food and provides energy to the cell, much like how customers eat food that the chef makes and then pay for it, so the business does well.

The cytoplasm holds the organelles and is where chemical reactions take place. It is like the building because it holds all the organelles in the cell, and the building holds all of the restaurant activity.

The vacuole stores food, water, and waste. It is like the refrigerator because both store water and food.

The Golgi bodies pack, fold, and deliver proteins. They are like the take-out boxes in a restaurant because they hold proteins, and take-out boxes pack and hold food.

I really hopes this helps!

5 0
3 years ago
Read 2 more answers
Steps of photosynthesis​
son4ous [18]
It is convenient to divide the photosynthetic process in plants into four stages, each occurring in a defined area of the chloroplast: (1) absorption of light, (2) electron transport leading to the reduction of NADP+ to NADPH, (3) generation of ATP, and (4) conversion of CO2 into carbohydrates (carbon fixation).
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3 years ago
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Damage to neurons directly interferes with which of the following processes
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Which processes..? There is not enough information for a solid answer to be given.
4 0
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