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iris [78.8K]
3 years ago
10

Always check for breathing for no more than ________________ seconds?

Biology
1 answer:
dexar [7]3 years ago
3 0
I think 10 seconds but I'm not sure
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6. The thin delicate membrane just attached to the cytoplasm is: [MOE 2061] (a) Ectoplasm (b) Endoplasm (c) Tonoplast (d) Protop
Westkost [7]

Answer:

cell membrane

Explanation:

4 0
3 years ago
Help please Smart kids need it soon!
makkiz [27]

Answer:

A. Prokaryote - no nucleus

B. Eukaryote - multicellular

C. Prokaryote - bacteria

D. Eukaryote - nucleus

E.  Both - Organism

F. Eukaryote - Insect

G. Prokaryote - Unicellular

H. Both - Cellular Respiration

Explanation:

6 0
3 years ago
In an ecosystem with similar species, we typically find
pishuonlain [190]
A bunch of the same critters. Nah I am just kidding, you will find a lack of resources because if they are all the same animals they will all eat the same thing. I hope this helps you.
8 0
3 years ago
Answer the following questions.
Dafna1 [17]

Answer: reading paper books and magazines,  sleeping in beds under cotton sheets, having a sandwich for lunch , sitting at wooden desks , I picking wildflowers , eating a favorite breakfast cereal.

Explanation: These are all correct because each has to deal with plants. For example, reading the paper books, sleeping in the bed and sitting at the wooden desk all have to due with the products that come from plants. Paper, cotton, and wood are all grown from plants and turned into resources. Next picking flowers, eating foods are also direct examples of how plants help us. Picking flowers that come directly from plants. Then eating food that is grown from plants shows that it is directly plants providing for humans.

6 0
2 years ago
Metabolic pathways can be controlled through the availability of enzymes and modulation of their catalytic activities. Enzyme av
postnew [5]

Answer: a) substrate and cofactors b) covalent modification

Explanation:

Metabolic pathways involve all the chemical processes takes place in the enviornment or in an organisms.The metabolic pathways are controlled through the catalytic activities of enzymes.

The availability of enzyme is regulated  by substrate and cofactors present in enzyme and enzyme activity is commonly regulated via covalent modification.

Enzymes are highly selective in nature and bind to a specific substarte only. The active site in enzyme binds with the substrate to form enzyme substrate complex. Coactors assist the enzyme activity, without cofactor enzyme can not perform its activity.

Hence enzyme availibility is regulated by  substrate and cofactors regulates.

Covalent modifications regulates activity of enzyme as it involves addition and removal of chemical group to synthesis required protein. It can change the chemical properties of the site by targeting one or multiple amino acid.

Thus the correct answer is a) substrate and cofactors b) covalent modification

8 0
3 years ago
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