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3 years ago

Which is false regarding sexually transmitted diseases (STDs)?

Biology

1 answer:

OLEGan [10]3 years ago

6 0

Answer:

All the options are true.

Explanation:

STD transmitted through sexual intercourse. They transmitted by the body fluids, mucous membranes, vaginal fluids or semen. But it can't be transmitted through the dried semen or vaginal fluid and in less than 20 minutes the body fluids are dried off.

Treponema pallidum is the causative agent of syphilis. It is bacteria. The vector is always human and transmitted during sexual intercourse. Syphilis is 3 types such as primary, secondary, and tertiary syphilis. In tertiary syphilis, chancers are present at the site of infection.

Gonorrhea is another STD caused by bacteria Neisseria gonorrhoeae. It is detected from the swab from male urethral discharge. This is also a gram-negative diplococci bacteria.

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How can analyzing amino acid sequences can help scientists infer patterns of evolution between species?

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Explain how amino acid sequence data can help scientists infer patterns of evolutionary relationships between species. ... A gene's DNA sequence determines the order of amino acids that make up a protein, so changes in the DNA sequence often result in changes in the amino acid sequence as well.

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3 years ago

_________ conducted experimental ablation in animals, whereas ________ applied the concept experimental ablation to humans

telo118 [61]

First Blank Space:Flourens
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3 years ago

During what phase of the female’s uterine cycle is the uterine lining shed?

elena-s [515]

The uterine lining of the female's uterine cycle is shed during the menstrual phase. Menstrual cycle is a reoccurring cycle which begins at menarche and ends at menopause. During menstrual cycle, the endometrial lining prepares for pregnancy.

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3 years ago

Drag the titles to the correct boxes to complete the pairs Identify the types of inhertiance based on the expression of alleles

HACTEHA [7]

Complete question:

Drag the tiles to the correct boxes to complete the pairs. Identify the types of inheritance based on the expression of alleles in the organism. dominant recessive multiple presences of many alleles for the trait to be expressed the presence of two alleles for the trait to be expressed presence of a single allele for the trait to be expressed

Answer:

multiple
recessive
dominant

Explanation:

Autosomal dominant inheritance characterizes because the dominant allele completely hides the expression of the recessive allele. Even when both dominant and recessive alleles are present in the genotype, only the dominant trait will be expressed. Only one dominant allele is enough to express the dominant phenotype.

Autosomal recessive inheritance characterizes by the expression of the recessive trait. Two copies of these alleles are needed to express the recessive phenotype and no dominant alleles.

Polygenic heritability occurs when a trait is due to the action of multiple genes that can also have more than two alleles. This can cause many different combinations that are the reason for genotypic graduation.

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3 years ago

The human heart is an organ that is made up of cells. Not all of the cells that make up the heart are identical, however. What n

slava [35]

Answer:

The correct answer would be D) tissue.

In biology, the level of organisation from simplest to complex level can be summarized as:

Organelles → cells → tissues → organs → organ systems → organisms → populations →communities → ecosystem → biosphere.

It is clear that tissue is organization level that exists between cells and organs.

When similar cells are assembled together to perform specific function, the assembly or this organization is said to be the tissue.

There can be different types of tissues such as muscle tissue, nerve tissue et cetera.

Similarly, tissues arrange themselves to carry out specific function in the form of organ.

For example, heart is made up of cardiac tissue.

4 0

3 years ago

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