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Lesechka [4]
2 years ago
9

Why do birds fly into windows??? Fre.e Points!!!!!!!!!!

Biology
2 answers:
NikAS [45]2 years ago
8 0

Because they want food to eat and feed to their kids

lisov135 [29]2 years ago
4 0
They think that the window is not there because it is clear! so, when they fly into a window, they think they are just flying into open space!!
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What is cell membrane
sdas [7]

Answer: Cell membrane is layer which is present in all living cells. It is present under the cell wall but in some cases such as plant cells.

Explanation: It is composed of lipid bilayer and proteins embedded in it. Phospholipids, glycolipids and sterols is the composition. Its function is to protect the cell from extracellular environment. It is semipermeable membrane that js allow only selected molecules to pass.

8 0
3 years ago
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1) How is DNA condensed to form a chromosome?
Bumek [7]

Answer:

1) DNA is wrapped around histone proteins to form chromatin

2) The genes are the functional units, the segments between them are used for regulation

3) The genetic code is the language used, gene expression is how the cell uses the information, the activity of the genes.

Explanation:

1) DNA forms a DNA/protein complex called chromatin. It does this by wrapping around histone proteins. These histone proteins are usually present in the form of a nucleosome, which is a unit containing 2 copies of 4 histones (H2A, H2B, H3 and H4). The chromatin fibre at its most compact forms tightly coiled structures called chromosomes. These structures are only present during cell division. When the cell is in interphase (i.e. not dividing), the chromatin is not as tightly condensed, and instead the chromatin is more relaxed to allow the genes within to be expressed.

2) Genes are the functional units that the cell uses to make RNA and protein. The genes are first transcribed into RNA, which is processed and then translated into a polypeptide chain, which forms a complete protein that performs activities in the cell/tissue/organism. However, the whole genome does not form genes, there are regions that do not correspond to a gene. These regions are called "non-coding DNA" or sometimes even "junk DNA". However, that does not mean that these regions do not have important roles. The role of this DNA is usually in regulating the activity of the nearby genes. This DNA might contain important regulatory sequences such as promoters/enhancers/silencers that control how the gene is used by the cell, by for example, recruiting transcription factors or silencing proteins.

3) The genetic code is the language used by the cell. It explains how the cell can transcribe the information in the DNA, to RNA, process the RNA, and then translate the RNA into a polypeptide, and eventually a mature protein. In contrast, gene expression represents how the cell actually uses this information. Not all the genes are transcribed at the same time, instead, the activity of genes is carefully controlled to produce appropriate gene expression patterns, allowing the cell to properly perform its functions. Gene expression is hugely different between cells in an organism, for example the gene expression patterns of a muscle cell will  be hugely different to that of a blood cell.

5 0
3 years ago
Plants cannot release energy from glucose using Select one: a. glycolysis. b. photosynthesis. c. the Krebs cycle. d. cellular re
sergey [27]

Answer: Option B) Photosynthesis

Explanation:

It is impossible for plants to release energy from glucose using photosynthesis because photosynthesis results in the formation of sugar molecules such as glucose.

6CO2 + 6H2O --> C6H12O6 + 6O2 + Energy

From the equation, photosynthesis is seen to as a biosynthethic reaction not a catabolic one.

Thus, it produces energy-rich compounds like glucose not otherwise

8 0
3 years ago
ANSWER ASAP WILL GIVE BRAINLIEST
pashok25 [27]

Answer:

Hope this helps

Explanation:

Adhesion

Capillary Action

Surface Tension

Universal Solvent

Cohesion

Plz give brainliest

5 0
3 years ago
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Which natural hazards are most likely to affect Florida, due to its geography? Check all that apply.
Artist 52 [7]
Drought, tropical cyclones and floods
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