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artcher [175]
3 years ago
11

Which of these particles is able to pass freely through a cell membrane? A. A nucleic acid molecule B. A disaccharide molecule A

C. A polysaccharide molecule OO D. A carbon dioxide molecule​
Biology
1 answer:
elena-14-01-66 [18.8K]3 years ago
4 0

Answer:

I am  gonna guess and say A. a nucleic acid molecule

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bekas [8.4K]

Answer:

It is either A or D, im not sure what the bubbles represent either o2 or co2.

Explanation:

5 0
3 years ago
Like gymnosperms, many grasses and angiosperm trees are wind-pollinated. To conserve energy, these angiosperms do not produce co
lutik1710 [3]

Answer:

C. petals

Explanation:

A)fruits

B)sepals

C)petals

D)anthers

E)ovaries

<em>The part that will not be necessary in wind pollinated angiosperm is the petals .</em>

The petal is a part of flower that is usually colorful and primarily function by attaracting insect pollinators to the flower.

<u>Since wind pollinated angiosperms do not need to attract insect for pollination, they do not need the colorful petals. They rely on wind to carry their pollen from their anthers to their stigmas (pollination).</u>

Hence, the correct option is C.

6 0
3 years ago
What fights invaders of your body​
yarga [219]

White blood cells ( lymphocytes is correct though)

4 0
3 years ago
Read 2 more answers
Light waves
nikklg [1K]
Hello,

I believe you're asking which option is true. If so, A) do not require a medium. Unlike mechanical waves, electromagnetic (or light) waves do not require a medium. It has been proven that light travels in a straight line. Light waves are, in fact, electromagnetic radiation, and they can travel in a vacuum. 


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8 0
4 years ago
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The mass of a book is 150 grams on Earth. what would the mass be on mars?
Lina20 [59]
The mass on mars is 38 percent of earth. Ex: dog weighs 100 on earth, and 38 on mars. 38 percent of 150 is 57 :P
5 0
3 years ago
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