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Anit [1.1K]
2 years ago
11

Cetain proteins cross

Biology
1 answer:
Mrrafil [7]2 years ago
4 0

Proteins are generally unable to cross the cell membrane

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Which of the these items contains carbon?
raketka [301]

Answer:

Diamonds.

Graphite. Graphite, like diamond, is an allotrope of carbon. ...

Textiles. A plethora of textiles contain cellulose, which contains carbon. ...

Life Itself. All life on Earth is carbon-

Explanation:

I hope its right

7 0
2 years ago
When under excessive passive tension, what muscle limits scapular upward rotation, posterior tilting, and external rotation?
LiRa [457]

Pectoralis minor is the muscle which limits scapular upward rotation, posterior tilting, and external rotation when under excessive passive tension.

<h3>What is Pectoralis minor?</h3>

This muscle is found below Pectoralis major and originates from the middle ribs to the scapula.

When under pressure this muscle limits the various types of movements which are mentioned above.

Read more about Pectoralis minor here brainly.com/question/17124433

#SPJ12

4 0
2 years ago
Nuthatches and brown creepers are birds which eat insects that hide in the furrows of bark in hardwood trees. The creeper search
jeka94

Answer:

This are our options to complete the question

-bottom-up and top-down hypotheses

-competitive exclusion

-keystone species

-resource partitioning

-character displacement

The CORRECT ANSWER IS resource partitioning.

Explanation:

Resource partitioning is the division of certain limited resources by species to eliminate competition in an ecological niche in order to allow easy coexisting with one another

The creeper searches for insects by hunting from the bottom of the tree trunk to the top, whereas the nuthatch searches from the top of the trunk down to eliminate competition and allow for peaceful coexisting between them

5 0
3 years ago
What do you call a person that studies rocks minerals and earth's land forms
SashulF [63]
A person that studies rocks minerals and earth's land forms are geologist
5 0
3 years ago
Angiosperms do not need water for fertilization. Why? (3 points) Group of answer choices Flagellated sperm travel to the ovary i
astraxan [27]

Answer:

A pollen tube grows from the pollen grain into the ovary

Explanation:

Water is needed for fertilization in several plant groups because the sperm needs to swim to meet the non-motile eggs of the female organs.

<em>However in angiosperms, the pollen germinates and a structure known as pollen tube which contains the male gametophyte (sperm) grows into the ovary where the ovule is located and the male gametophyte is deposited in the ovule to initiate the fertilization process.</em>

<em>Hence, water is really not necessary for fertilization in the angiosperms.</em>

5 0
3 years ago
Read 2 more answers
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