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Mekhanik [1.2K]
3 years ago
12

Please answer these 2 questions correctly + clear explanation.

Biology
1 answer:
Pachacha [2.7K]3 years ago
6 0
Saliva contains an enzyme called amylase that breaks down carbohydrates. The food bolus travels through the esophagus by peristaltic movements to the stomach. The stomach has an extremely acidic environment. The enzyme pepsin digests protein in the stomach.
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Which of the following do chromosomes form from
Mariulka [41]

Answer:

Chromatin

Explanation:

this thread like structure in Neucleus condenses to form chromosomes.

5 0
3 years ago
Why is meiosis called reduction division?
Ronch [10]
<h3><u>Answer;</u></h3>

Meiosis is called reduction division <u>because number of chromosomes in daughter cells is reduced to half than that of parent cell.</u>

<h3><u>Explanation;</u></h3>
  • Meiosis is a type of cell division that takes place in the germ-line cells, it involve division of a parent cell into four daughter cells.
  • The process of meiosis involves two divisions of the genetic material, namely; meiosis I and meiosis II.
  • <em><u>The first division is called the reduction division or meiosis I, this is because it reduces the number of chromosomes from 46 chromosomes or 2n to 23 chromosomes or n.</u></em>
8 0
3 years ago
BRAINLIESTTT ASAP!!!!
labwork [276]
The shape of an enzymes active site fits the shape of a certain molecule that is affected by the enzyme. It's like a puzzle piece fitting into another puzzle piece. The molecule in the reaction being catalyzed fits into the enzyme. Hopefully this helps, this is how I was taught
7 0
3 years ago
Mitochondria are thought to have evolved from free-living bacteria that were incorporated into eukaryotic cells by endosymbiosis
Aneli [31]

Answer: a

Explanation:

6 0
2 years ago
What are important roles of mosses
Savatey [412]

Answer: Mosses retain soil humidity and prevents its degradation, besides are habitat for little invertebrates.

Explanation: Mosses are non-vascular plants (they don't have conductive vessels as xylem and phloem) that live places as tree trunks, rocks, walls and soils. This habitats must be humids because mosses need water for nutrient transport,  because they don't have cuticle (prevents water lost) and for fertilization. Mosses are important for the ecosistems where they live because retain water in the soils thus prevent erosion and  harbor invertebrates as Tardigrades (water bears).

3 0
4 years ago
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