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cluponka [151]
3 years ago
6

Which of the following substances must enter the cell through the cell membrane for the cell to live

Biology
1 answer:
Zinaida [17]3 years ago
8 0

Answer: C

The substance that must come through the cell membrane for the cell to live is nutrients. Cells would die if they did not get nutrients. Nutrients are what keeps the cell running.

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Help................. ​
Karo-lina-s [1.5K]

Answer:

Autotrophs are organisms that use light energy or energy stored in chemical compounds to make their own food.

1st order heterotrophs are organisms that eat only plants

2nd order heterotrophs are organisms that eat herbivores

3rd order heterotrophs: organisms that eat herbivores and other carnivores

Top group: carnivores

Explanation:

Producers are named as such because they produce their own food either by photosynthesis or chemosynthesis. These organisms are called autotrophs and include plants.

There are various levels of consumers. The first is first order heterotrophs, which feed on the producers. These are herbivores and include, for example, a deer feeding on grass.

The next is second order heterotrophs, which feed on the first order heterotrophs. E.g. an owl eating a mouse. These are carnivores

The next layer are also carnivores, third order heterotrophs which eat second order heterotrophs, for example a lion eating a zebra.

4 0
2 years ago
How is the H1N1 influenza virus spread?
Keith_Richards [23]
It spread by person to person
8 0
2 years ago
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which of the following structures allow the cell membrane to be selectively permeable? select all that apply.
11111nata11111 [884]
Hospolipid bilayer, with some protein, is what makes the cell membrane selectively permeable.
7 0
2 years ago
What are Hox genes?
Ede4ka [16]

Answer:

Hox genes regulate sex determination in mammals.

-Hox genes regulate flower development.

-Hox genes encode transcription factors that respond to steroids.

-Hox genes encode transcription factors with a DNA-binding domain called a homeo box and regulate development of the vertebrate body plan

- Hox genes are transcription factors that bind to specific DNA sequels called homeodomains

and regulate development of the vertebrate body plan.

Hox genes are transcription factors that bind to specific DNA sequences called

homeodomains.

Explanation:

5 0
3 years ago
Read 2 more answers
I need help no understand ​
zalisa [80]

Answer:

The one with the circle on the left is phosphate group

The one with the car is Cystonine

The one with the house is Guanine

The one with the tree Thymine

The one with the pentagon is Dexoryisbe Sugar

The one with the Apple is  Adenine

PLZ CORRECT ME IF I AM WRONG PLZ AND THANK YOU

Explanation:

3 0
2 years ago
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