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myrzilka [38]
3 years ago
11

answer me please, for agrobacterium selection how much concentration of streptomysin antibiotic is need?

Biology
1 answer:
storchak [24]3 years ago
5 0
What are your options?
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Because the cell membrane is made of two layers of lipids it is called a..?
swat32

Answer:

The lipid bilayer.

Explanation:

It is a thin polar membrane made of two layers of lipid molecules. These membranes are flat sheets that form a continuous barrier around all cells.

7 0
3 years ago
What are the components that break down nutrients for absorption in order from simplest to more complex
balandron [24]
Digestive juices break down food into the tiniest nutrient components. Proteins are broken down to amino acids; fats are broken down to fatty acids and glycerol; and carbohydrates are broken down into simple sugars for absorption of these vital nutrients. The animal diet needs carbohydrates, protein, and fat, as well as vitamins and inorganic components for nutritional balance. Digestive enzymes are enzymes that break down polymeric macromolecules into their smaller building blocks, in order to facilitate their absorption by the body.
7 0
3 years ago
¿Cual de las siguientes especies se reproduce por fecundación interna ?
Alexxandr [17]

Which of the following species reproduces by internal fertilization?

a) cats

(b) Toads

(c) The fish

(d) alternative b and c

Answer:

(a) Los gatos

Explanation:

Only cats are capable of internal fertilization from the given choices above.

Internal fertilization is the fusion of gametes within an organism. This process occurs during sexual reproduction within the female.

  • Toads and fishes exhibit external fertilization.
  • External fertilization occurs where the male sperm externally fertilizes the eggs of the female.
  • This usually takes place in a moist or wet place especially water bodies. The liquid medium will transport the sperm to the egg.

In cats, the female specie takes in reproductive cells from the male during coitus and it fertilizes the her eggs to produce a zygote.

3 0
3 years ago
Cells need oxygen to make energy. Oxygen-rich blood is transported to tissues. When the oxygen is dropped off, it needs to move
ikadub [295]

Answer:

capillaries help the blood containing the things a cell needs

Explanation:

9 0
3 years ago
Read 2 more answers
Which is NOT true about homeostasis?
zalisa [80]

Answer:

The answer is A.

Explanation:

It can be regulated with negative feedback loops.

3 0
2 years ago
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