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Elenna [48]
3 years ago
10

What is a biofilm and what role does biofilm play in disease?

Biology
1 answer:
Kruka [31]3 years ago
4 0
A thin, slimy film of bacteria that adheres to a surface. The term biofilm is used to denote a polymer-encased community of microbes which accumulates at a surface. Biofilms are responsible for a number of diseases of man and, because of the intrinsic resistance of these structures to antibiotics and host defence systems, such diseases are very difficult to treat effectively.
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The gas(es) that has/have the greatest relative contribution to increasing the greenhouse effect is/are
Rainbow [258]
The answer is carbon dioxide. so its true
8 0
3 years ago
I'll mark brainest for anyone that can answer this (definition of monocotyledon plant)​
atroni [7]

Plants with just one cotyledon are said to be monocotyledons. They also include floral segments that are multiples of three. This implies that their blooms may be made up of sepals instead of petals, or they may have three, six, or nine petals. Additionally, they have accidental roots. These are roots that may sprout from nearly any portion of the plant that comes into touch with the soil, such as the stem.

For instance, garlic plants, spiderwort, etc.

5 0
1 year ago
The diploid number of chromosomes in the mustard plant, Arabidopsis thaliana, is 10. Knowing this, answer the following question
lukranit [14]

Answer:

10 chromosomes/sister chromatids

Explanation:

Prophase is the first stage of cell division (mitosis). Prior to the cell entering the actual division stage, it undergoes a phase where it prepares its content and most importantly undergo the duplication of its genetic material (DNA). This DNA are found as chromosomes. It undergoes replication of its DNA in the S-phase of interphase stage.

Since Arabidopsis thaliana has 10 chromosomes, and each chromosome holds one DNA molecule, 10 molecules of DNA will be present in the mustard plant's genome. These 10 molecules of DNA will be replicated on another copy of chromosome which is identical to the template. This chromosomes are called SISTER chromatids i.e. replicated chromosome. Each sister chromatids are held together at the centromere and are considered one individual chromosome until they separate during anaphase stage.

Hence, at the Prophase stage, before separation, each sister chromatid (replicated chromosome) is considered as one chromosome. Thus, in the mustard plant with 10 chromosomes, it will possess 10 sister chromatids or chromosomes at the Prophase stage.

N.B: When sister chromatids separate during anaphase stage, they will be regarded as individual chromosomes.

6 0
3 years ago
Predict how doubling the length of the sides of a cube-shaped cell would affect
Minchanka [31]

Answer:

Increasing the size of the cube-shaped cell increases the volume. However, the surface area-to-volume ratio decreases. This means that the simple diffusion would take more time distribute nutrients across the cell (and even in the eliminate waste). It would need bulk transport such as vesicle transport, otherwise cell activities would slow down.

4 0
2 years ago
Which of the following most accurately describes a pasture?
kolezko [41]
The answer is either -unfenced land where grass or grass-like vegetation grows and is the dominant form of plant life, or <span>-an enclosed field covered with grass or similar plant and suitable for grazing by livestock.
I am not sure which though.
I hope this helps you!
Have a nice day! :)</span>
3 0
3 years ago
Read 2 more answers
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