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Dominik [7]
2 years ago
14

Which is NOT a sign of a healthy plant?

Biology
1 answer:
wlad13 [49]2 years ago
3 0

Answer:

Tight buds

Explanation:

Showing that its not viable for plants

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A farmer grows beans that he sells to local markets. Over a period of 40
gavmur [86]

Answer:

Selective breeding

Explanation:

3 0
3 years ago
Which layer of Earth's atmosphere is most like the vacuum of space?
pickupchik [31]

Answer:

Stratosphere                                                                                                                                        

Explanation:

6 0
3 years ago
Read 2 more answers
Draw the structure of DNA nucleotide with adenine as nitrogenous base <br>​
zavuch27 [327]

Answer:

A nucleotide is made up of one sugar molecule, one phosphate molecule and one of the four bases. Here is the structural formula for the four nucleotides of DNA. Note that the purine bases (adenine and guanine) have a double ring structure while the pyrimidine bases (thymine and cytosine) have only a single ring.

Explanation:

A nucleotide is made up of one sugar molecule, one phosphate molecule and one of the four bases. Here is the structural formula for the four nucleotides of DNA. Note that the purine bases (adenine and guanine) have a double ring structure while the pyrimidine bases (thymine and cytosine) have only a single ring.

5 0
3 years ago
Seth purchased five pounds of live crayfish and realized that the outer shells were made of a tough carbohydrate similar to that
Volgvan

Answer:

Calcium Carbonate or Lime Stone

Explanation:

The outer hard shell of cray fish is made up of CaCO3 from sea sediments. It as analogue to the carapace of cockroach because both belongs to the phylum Arthropoda. Although they have different classes but their exoskeleton shares same composition and internal structure. Both use this to protect themselves against predators.

7 0
3 years ago
Bioflix activity: meiosis -- comparing mitosis and meiosis can you identify the similarities and differences between mitosis and
Natali5045456 [20]
1. Similarities:
they are both processes of cell division by which cells reproduce.
They share several steps of the process(prophase, metaphase, anaphase e telophase, cytokinesis) but meiosis has another division also with those same steps.
In both cases the cell duplicates its DNA by pulling it apart into two sets, place the sets on each end of the cell, and then divide down the middle.

Both produce new cells based on their parent cells' genes.

2. The differences:

Mitosis:

- has 1 division per cycle
- one cell produces 2 new cells
- the genetic information in the mother-cell and the daughter-cells are the same. ( the number of chromosomes is also the same)
- it occurs in somatic cells
Meiosis:
- two divisions per cycle.
- one cell when divides produces 4 new cells
- the new cells have different genetic information. mixes the  the genetic material from the parent cells
- the number of chromosomes of the daughter cells is half of the mother's.





6 0
3 years ago
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