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bixtya [17]
3 years ago
13

Why is the phloem in a leaf important to the roots of a plant?

Biology
2 answers:
rjkz [21]3 years ago
7 0

Answer:

The phloem connects the leaves to the stem and roots of the plants by transporting the sucrose to various parts.

Vaselesa [24]3 years ago
6 0

It provides the roots with carbohydrates

APEX

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Gonadotropin releasing hormones causes the ovaries and testes to greatly increase their production of estradiol and testosterone.
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What types of relationships do you engage in daily? Check all that apply.
Nataliya [291]
Family
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2 years ago
What is not a treatment for high blood pressure?
pav-90 [236]

Answer:

a kid crying

Explanation:

it brings more stress which higher due blood pressure even more !

6 0
3 years ago
Which description accurately describes the cell membrane?
Alex Ar [27]

Answer:

b. a semi-permeable double layer of phospholipids that have hydrophilic heads and hydrophobic tails

Explanation:

B is correct as the cell membrane is selectively semi-permeable. It is selectively semi-permeable because this quality allows it to control what can and can't enter the cell, and how it does so.

The cell membrane also has a phospholipid bi-layer comprised of a double layer of phospholipids which have hydrophilic head and hydrophobic tails. This is because the heads are made of phosphate and are polar and are therefore attracted to water (hydrophilic), while the tails are made of lipids (i.e. fats, oils) which do not mix with water and are therefore hydrophobic.

The properties of each phospholipid is also why they form the double layer structure, the hydrophilic heads naturally face outwards into the water and protect the hydrophobic tails on the inside.

Hope this helped!

4 0
3 years ago
PLEASE HELP! WILL GIVE BRAINLIEST AND POINTS!
natulia [17]

Answer:

A. Lancelet

B. All chordates

Explanation:

A. Dorsal nerve chord is the only <u>unique feature</u> among all members of <u>phylum chordata</u> (mainly found in subphylum Vertebrata). In the given list, only lacelet is the Chordate whereas <u>snail belongs to phylum Mollusca</u>, <u>grasshopper belongs to Arthropda</u>, and <u>jellyfish belongs to Cnidaria</u>. Dorsal nerve cord runs along the length of organism's body.

B. <u>Gill slits</u> are <u>opening structures</u> to gills through which water passes from pharynx/throat to exterior. Their main purpose is to help filter the food particles available in surrounding water. Although they are typical for amphibians and fishes, chordates also possess gill slits at embryonic stages.

7 0
3 years ago
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