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Elden [556K]
3 years ago
15

What is a tree made of

Biology
1 answer:
pshichka [43]3 years ago
7 0

deaderamd esiaa b y de  mitay ds er cira

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What organelles can you find in BOTH types of cells? A) membrane, nucleus, cytoplasm, B) membrane, chloroplasts, nucleus C) cell
tia_tia [17]
The pair of structures that best shows how plant cells are different from animal cells are chloroplasts and cell walls. The answer is B.

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3 years ago
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What accurately describes physical barriers? i. they are difficult for bacteria and viruses to penetrate. ii. they include the s
Alex73 [517]
All choices correctly describes physical barriers. Physical barriers after composed of tight junctions wherein it is difficult for the bacteria and viruses to penetrate. Examples of these physical barriers are the skin and the mucous membranes and these work in conjunction with secretions like tears and mucus (as tears and mucus contain IgA, a special type of immunoglobulin that is secreted to fight harmful organisms).
7 0
3 years ago
In fruit flies, eye color is a sex-linked trait. Red is dominant to white.
ozzi

Answer:

The correct answers are:

1 a. X^RX^r - red eye color female

b. X^RX^R - red eye color female

c. X^RY - red eye color male

d. X^rY - white eye color male

e. X^rX^r - white eye color female

(2nd part can also be answered by above)

Explanation:

It is given that the eye color is a sex-linked character where Red eye color is dominant over white eye color in fruit flies. Sex-linked characters are the character that is a similar inheritance pattern except in the case of the male as there is a Y chromosome that does not carry the gene for the eye color trait so the trait will depend on the allele present on a single  X chromosome in males.

On the basis of this, the sex and color of eyes will be:

a. X^RX^r - red eye color female - Dominant character will mask the recessive white color and two copies of X which means female.

b. X^RX^R - red eye color female - both copies are dominant so red-eye color will be expressed and two copies of the X chromosome that means female

c. X^RY - red eye color male - One X and one Y chromosome that means male and only dominant allele present so red eye color.

d. X^rY - white eye color male - Only allele that is present is recessive with one Y chromosome that means male with white eye color.

e. X^rX^r - white eye color female - two X chromosomes with recessive allele which means white eye color female.

7 0
3 years ago
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What structures does the plant<br> cell have that an animal cell does<br> not?
Strike441 [17]

Answer:

Only plant cells contain chloroplast and a cell wall.

Chloroplasts: trap energy from the sun to produce food for the plant cell

Cell wall: provides support and protection to the cell membrane.

Hope this helps.

8 0
3 years ago
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PLS HELP WILL GIVE BRAINLIEST<br><br><br> CHECK ALL THAT APPLY
algol13
1, 4 and 5 are correct i believe
6 0
2 years ago
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