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Alex777 [14]
3 years ago
6

Interesting Facts (don't tell me definition cuz I already know it) about xylem, at least one

Biology
2 answers:
horsena [70]3 years ago
7 0

Answer:

Its cells have thick, hard walls.

Explanation:

o-na [289]3 years ago
4 0

Answer:

-xylem cells are long tracheary elements that transport water.

-dead cells are similar like pipes, hollow and rigid.

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The presence of paired chromosomes makes a diploid/germ/haploid/gamete cell, while a single member of a pair of chromosomes make
geniusboy [140]
The presence of paired chromosomes makes a <u>diploid </u>cell, while a single member of a pair of chromosomes makes a<u>haploid </u>cell.

Diploid cells. Meiosis is the process of cell division by which involving gametes. Cell division is just the same for sperm and egg cells, but they have distinguishable descriptions and labels in the process. Spermatogenesis is for the males’ sperm cells and oogenesis is the process for females’ egg cells. The cell division of meiosis involves the two phases, respectively meiosis I and meiosis II. Meiosis I like mitosis is the cell division that produces diploid cells<span>. These diploid cells are cells that contain a complete pair of chromosomes which is 46. The result is two diploid cells after the first meiosis. To provide clear explanation, in contrast haploid cells only contain 23 chromosomes and are created after meiosis II which is 4 in number. </span>
7 0
3 years ago
Nucleotides in RNA are connected to one another in the polynucleotide chain by A. covalent bonds between bases. B. covalent bond
Masteriza [31]

Answer:

C

Explanation:

A ribonucleotide is very similar to a deoxyribonucleotide with the major difference being that they have a H instead of an OH in the 1’ carbon. Each ribonucleotide also has a phosphate molecule in their 5’ carbon like DNA. It is this phosphate that bonds with the 1’ carbon of the next monomer to form a phosphodiester bond through a condensation process – that releases a water molecule.

5 0
3 years ago
A similarity between ice wedging and plant root growth is that the crack in a rock can slowly grow larger over time. Both can ca
alisha [4.7K]

Answer:

true

Explanation:

3 0
3 years ago
Cameron is collecting data to determine the time of completion for each stage of germination in seeds. He is using bean seeds fo
mariarad [96]

Answer:

it is c: Taking observations at precise intervals

Explanation: I just took the test.

8 0
3 years ago
Explain mendel's experiment with peas on inheritence of characters considering only one visible contrasting character.
m_a_m_a [10]

➜ <u>Mendel conducted breeding experiments with garden peas</u>:

[i] He studied plants (pure) of a tall/short varities.

[ii] He crossed them and obtained F1 progeny.

[iii] He found that F1 progeny was all tall plants.

[iv] He selfed the (hybrid) plants if F1 progeny.

[v] He found that in F2 progeny there were tall as well as short plants.

[vi] The three quarter plants were tall and one quarter was short.

(or any other contrasting character may be taken).

<u>Note</u>: Here, F1 means <u>First fillial generation</u> and F2 means <u>Second fillial generation</u>.

7 0
3 years ago
Read 2 more answers
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