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snow_tiger [21]
3 years ago
9

What three cellular structures are found in plant cells but not animal cells?

Biology
1 answer:
sergeinik [125]3 years ago
5 0
C! Because animal cells don’t have a cell wall! Have fun in Science!
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Non-protein coding DNA in eukaryotes contains repetitive elements that include (select all that apply): Group of answer choices
Olegator [25]

Answer:

interspersed, transposon-derived repeats, simple sequence repeats.

Explanation:

In the human genome, not only the protein coding genes are present, in fact these genes make up just a very little portion of the human genome about 1.5-2% of the entire human genome. Repeats make up about 48% of the human genome which is the largest and the rest include, conserved non coding sequences (43.5%), heterochromatin regions etc.  

Some of the repetitive elements includes LINEs, SINEs, DNA fossils tranposoon, Retrovirus like elements. all these are transposable elements which are  mobile DNA sequences that can migrate to different  regions/areas of the genome.

Microsatellites (simple sequence repeats) are tracts of repetitive DNA in which certain DNA motifs are repeated normally 5-50 times.

6 0
3 years ago
Which assisted reproductive technology involves the maturation and fertilization of the egg within laboratory glassware, followe
son4ous [18]
It is in vitro fertilization (IVF).
IVF is a type of assisted reproductive technology used for infertility treatment. It includes the steps like removing an ovum from the woman's ovaries, fertilisation (sperm cell from is injected using a microscopic needle, directly into each harvested ovum from the woman) outside the body, embryo transfer to the same or another woman's uterus after a few days.
3 0
3 years ago
Read 2 more answers
Suggest why an average distance is calculated for
Vlada [557]

Answer:

Ah man sorry I dont know. I have been on this question for 10 minutes already. sorry to disappoint you :C

Explanation:

3 0
3 years ago
Which plant tissue has air spaces in it?
Lemur [1.5K]
The answer is A: palisade cells
3 0
3 years ago
Calculate what is the surface area to -valume ratio of a cube whose sides are 3cm long?
julia-pushkina [17]

Answer:

2 : 1

Explanation:

  • The surface area of the cube;

         Area of one (1) side * 6 sides = 3 *3 * 6 = 54 cm²

  • Volume;

         Length * Width * Height =  3 * 3 * 3 = 27 cm³

  • Surface area – to – volume ratio;

         54 : 27 = 2 : 1

8 0
3 years ago
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