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lilavasa [31]
2 years ago
11

True or False on the line before each statement.

Biology
1 answer:
Vikentia [17]2 years ago
7 0
What's up? this is true. best of luck with your studies
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2 points
sweet [91]

Answer:

jayfeather loved halfmoon but it was forbiden

Explanation:

3 0
2 years ago
Compared with a eukaryotic cell, a prokaryotic cell Select one:______
juin [17]

Answer:

The correct option is a. lacks organelles beyond ribosomes.

Explanation:

All cells of higher organisms are bounded by a cell membrane (also called plasma membrane or plasmalema) and contain cytoplasm that surrounds one or more nuclei. Within the cytoplasm there are structures known as organelles, which are specialized in carrying out the metabolic processes of the cell, these cells are called eukaryotes. The prokaryotes are smaller, lack a differentiated nucleus and organelles. The prokaryotic cells are not internally divided by membranous walls, but consist of a single space.

Both prokaryotic and eukaryotic cells contain ribosomes. Ribosomes are organelles not delimited by membranes, these organelles are important since a cell makes all its proteins in its ribosomes.

8 0
3 years ago
A mutation that causes production of a defective pilus in a bacterium will prevent __________.
daser333 [38]

Answer:

The correct answer is: Attachment.

Explanation:

  • Pilus are thread like structures which are present on the surface of the bacterial cell.
  • They are mainly responsible for attaching the bacterial cells to a substrate, for obtaining food or to an eukaryotic cell for the purpose of infection.
  • Pilus also mediate the process of conjugation in some bacterial cells.
  • Conjugation is a process by which genetic material or plasmids are transferred from one bacteria to another through a channel formed in between the two bacteria by the help of the pilus.
  • Pilus also helps the bacteria by preventing them from getting recognised by the immune cells in the host.
  • A defective pilus will affect all the above processes, resulting in death of the bacteria.
7 0
3 years ago
Which portion of the cell membrane is responsible for preventing unwanted materials from entering the cell?
kati45 [8]
Lysosomes, dead organelles, waste products and other unwanted substances are removed through lysosomes
8 0
3 years ago
What is the area of a room that is 4 m long and 3.2 m wide?
nordsb [41]

Answer:

12.8m

Step-by-step explanation:

  1. Area = length × width
  2. Length × width = 4 × 3.2
  3. 4 × 3.2 = 12.8m

I hope this helps!

5 0
3 years ago
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