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Nikitich [7]
3 years ago
5

What is tissue? Give 2 examples.

Biology
1 answer:
disa [49]3 years ago
7 0
There are four main types of tissue: muscle, epithelial, connective and nervous. Each is made of specialized cells that are grouped together according to structure and function. Muscle is found throughout the body and even includes organs such as the heart. Our outer layer of skin is epithelial tissue.
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The failure, till now, to produce an effective AIDS vaccine may be due to the fact that the causative agent mutates continuously
Furkat [3]

Answer: A. True.

Explanation:

The AIDS virus may constantly change it's form in the host body by mutating. The body immune system becomes unable to produce antibodies which can fight against these mutated cells.

Also, the vaccination used for the purpose of immunization will not be able to combat will the causative agent in the body of the host. As the vaccine contains the microbe which can fight against the virus present in the body. But as the virus is changing it's form the microbe may not be able to compete with the virus. Hence, the use of vaccine will become useless.

3 0
3 years ago
A woman with type O blood is expecting a child. Her husband is type A. Both the woman's father and her husband's father had type
kkurt [141]

C. 50%

Explanation:

  • The woman has blood group O so her genotype will be i^{O} i^{O}.
  • The husband has blood group A so his genotype could either be I^{A} I^{A} or I^{A} I^{O}.
  • Since the husband's father was having blood group B so it is obvious that the husband is heterozygous with genotype I^{A}i^{O}.
  • A cross between heterozygous dominant and homozygous recessive is a test cross and will yeild 50% offspring with recessive genotype.
  • So the probability of the child having blood group O is 50%.
4 0
3 years ago
A thick black cloth that forms a barrier to weeds and holds down erosion is called ?
Ipatiy [6.2K]

Answer:

Landscape fabric, weed barrier and weed barrier fabric are names for the same product. It is a black mesh type of plastic that is used extensively in landscaping to keep weeds out of your garden.

8 0
3 years ago
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structures in the cerebral cortex that are involved in hearing, language processing, and memory are called question 16 options:
PilotLPTM [1.2K]

The structures in the cerebral cortex that are involved in hearing, language processing, and memory are called the Temporal lobes.

Cerebral cortex- The cerebral cortex, the brain's outer layer, is linked to higher-order cognitive functions such as awareness, cognition, emotion, reasoning, language, and memory. There are four lobes in each cerebral hemisphere, each of which has a specific purpose.

Temporal lobes- The temporal lobe is a part of the brain that controls various parts of language as well as hearing, memory, and emotion. It is situated on the side of the head.

To know more check out the below link

brainly.com/question/1191477

#SPJ4

7 0
1 year ago
Genetic research and testing includes __________.
USPshnik [31]

Answer;

-All of the above,

Genetic research and testing includes; the Human Genome Project, gene therapy , and  genetically engineering drugs.

Explanation;

-Genetic testing is a type of medical test that identifies changes in chromosomes, genes, or proteins. The results of a genetic test can confirm or rule out a suspected genetic condition or help determine a person’s chance of developing or passing on a genetic disorder.

- Genetic research is the study of human DNA to find out what genes and environmental factors contribute to diseases. It is concerned with the study of the role of genes in traits such as the development of disease. It has a key role in identifying potential targets for therapeutic intervention and also in understanding genetically based variations in response to therapeutic interventions.

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3 years ago
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