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Tamiku [17]
3 years ago
13

I keep filling it in but keep loosing points ! I need help !

Biology
1 answer:
Alexxandr [17]3 years ago
3 0
Ik this in spanish but i dont know how can i translate this

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Ques: Cats are an example of an early working relationship with humans. What is a possible reason humans needed to domesticate c
Artemon [7]

Answer:A and B your welcome.

6 0
2 years ago
Read 2 more answers
A cultured cell line appears to be having trouble surviving. You find that the cells do not appear to have normal chromosome sep
goldenfox [79]

Answer:

c. Tubulin

Explanation:

Tubulin protein is polymerized to form the cylindrical structures of microtubules. Microtubules form the spindle apparatus during cell division. The spindle microtubules become attached to the kinetochores of chromosomes and mediate the alignment of chromosomes at the equator of cells during metaphase. The shortening of spindle microtubules is responsible for the movement of sister chromatids during anaphase. The same event also moves the homologous chromosomes during anaphase-I.

Any failure in the formation of the spindle apparatus would not allow the proper separation of chromosomes. Therefore, the cell with abnormal chromosome separation might have a faulty or no tubulin.

6 0
3 years ago
What part of the plasma membrane makes it difficult for water-soluble substances to move freely into and outof the cell?
koban [17]

Answer:

The nonpolar tails in the middle of the plasma membrane

Explanation:

8 0
3 years ago
Drag each tile to the correct location.
OLEGan [10]

Answer:

Plant-like:

presence of flagella

shows the absence of cell wall, though chloroplast may be present

Animal-like:

absence of cell wall, as well as chloroplast

Fungus-like:

feeds on decaying matter

enclosed by a membrane called a pellicle

slime mold belongs in this category

Explanation:

The protists can be classified into three groups (plant-like, animal-like, fungus-like) based on the method of nutrition, movement, and mode of reproduction.

Plant-like protists have chloroplasts and trapped sunlight to form food ad energy (photosynthesis). They also have flagella used for the movement.

Example: Algae

Animal-like protists are heterotrophs that cannot make their food. They do not have chloroplast and cell wall outside the cell membrane.

Example: Protozoa

Fungus-like protists are single-cell eukaryotes that have a protective layer outside the cell membrane called pellicle. They feed on decaying organic matter.

Example: Slime mold and water mold

7 0
3 years ago
Which of the following is true based on the cell theory?
Anton [14]
I believe that the answer is: Most organisms are made up of one or more cells
Cell Theory was first developed in 1839 by Schleiden and Schwann, they stated that all organisms are composed of one or more cells.
4 0
2 years ago
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