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Maksim231197 [3]
2 years ago
6

2. Describe sexual reproduction.

Biology
2 answers:
astra-53 [7]2 years ago
7 0
Sexual reproduction is the process in which new organisms are created, by combining the genetic information from two individuals of different sexes
vredina [299]2 years ago
4 0

Answer: the production of new living organisms by combining genetic information from two individuals of different types (sexes). In most higher organisms, one sex (male) produces a small motile gamete which travels to fuse with a larger stationary gamete produced by the other (female)

Explanation:

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The process of phagocytosis involve all of the following except
evablogger [386]

Hello, I figured your question was missing its options so I went online to find them. Here they are:

The process of phagocytosis involves all of the following EXCEPT :

a. adhesion.

b. secretion of cytotoxins.

c. elimination.

d. vesicle fusion.

e. chemotaxis.

Answer:

The correct answer is: b) secretion of cytotoxins.

Explanation:

Phagocytosis is a mechanism performed by cells in which the plasma membrane engulfs a large particle. Phagocytosis is used by cells in the immune system to ingest pathogens like viruses and bacteria.

Phagocytosis consists of many steps:

  1. activation - the phagocytes that were resting are activated in the inflammatory response when a pathogen enters the body.
  2. chemotaxis  - this refers to the process in which the phagocyte moves to the pathogen by following the chemical factors released by these germs.
  3. adhesion - the phagocyte attaches to the pathogen.
  4. ingestion /vesicle fusion - the phagocyte sends pseudopods to engulf the pathogen, and places it in a phagosome, which is an endocytic vesicle. The phagosome and the phagocyte will fuse so the pathogen gets inside.
  5. elimination - the pathogen is destroyed in the phagocyte by the lysosomes present in it.

<u>The</u><u> secretion of cytotoxins</u><u> is not a part of the phagocytosis, and is a process exclusive to </u><u>T cells</u><u> (leukocytes that lack the ability to phagocyte).</u>

5 0
2 years ago
Which reactions require oxygen
Aleksandr [31]

Answer:

respiration i think

8 0
3 years ago
All of the genetic material in an organism. a.) genome b.) stem cell c.)GMO
OLEGan [10]

Answer:

B

Explanation:

5 0
2 years ago
Which of the following would be a valid hypothesis for a scientific
erastova [34]

Answer:

The correct option is <em><u>C. Foods that travel great distances cost less than foods bought  locally.</u></em>

Explanation:

According to the scientific method of research, it gets initiated with a scientific question. To answer that question, a hypothesis is drawn. A hypothesis is a tentative statement based on which experiments are designed to check the authenticity of the hypothesis. Based on the observations and experiments, conclusions are drawn.

In the above-mentioned question, option C is a tentative statement that can be tested. Hence, it is the correct option.

8 0
3 years ago
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Which of the following is used in photosynthesis by both plants and cyanobacteria?
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Answer:

a)Water, sunlight, and carbon dioxide

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