BIOLOGY HIGH SCHOOL

Which statement is FALSE? (1 point)An infected person should tell her partner if she has an STD so she can be tested.
Swollen lymph glands are a symptom of STDs.
All STDs are curable.
Condoms can help protect against contracting an STD.

Answers

Answer 1
Answer:

the answer to this is C- all STDs are curable.

Answer 2
Answer: Swollen lymph glands are symptoms of stds is false .

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How would you draw a pyramid of numbers for a dog with fleas? What shape would the pyramid take?

Answers

Since fleas usually undergo 4 steps of transformation,  i would draw 4 floors of pyramid

- The bottom floor is when the fleas still in the form of eggs
- The second floor is when the eggs transformed into larva
- The third floor is when the larva transformed into pupae
- The top of the pyramid is when the pupae already fully transformed into adult fleas

How much of the worlds water is saltwater?

Answers

97.5% of the worlds water is salt water leaving 2.5% to be fresh water. 

What is the correct structure of ATP

Answers

Adenosine Triphosphate.  I'm pretty sure is the correct answer. Please tell me if I'm right.

plant and animal development share a number of features, but differ in major ways as well. which of the following best summarizes the similarities between the two forms of development?

Answers

Both plant and animal development is seeded in the perspective that a cell divides itself to form a tissue and tissues grouped will become an organ and the organism itself. The cell hierarchial model is followed in the development in both of these diverse however seemingly similar organisms. 

The direct visual examination of the colon via a flexible, lighted instrument is called:

Answers

A colonoscope is a flexible fiber-optic instrument used to examine the colon

Place the events of fertilization and implantation in order. 1. Implantation of the developing embryo. 2. The developing embryo becomes a blastocyst which consists of a hollow ball of cells. 3. Mitosis occurs in the Fallopian tube. 4. The cortical reaction occurs, preventing polyspermy. 5. The egg is fertilized by the sperm.

Answers

Answer:

The correct order is

5, 4 , 3, 2, 1

Explanation:

The first stage is the fusion of sperm  with egg in fallopian tube which induces chemical reactions that prevents fusion of multiple sperm with one egg. This is known as preventing polyspermy.

After this the fused egg starts dividing and growing through the process of mitosis. The growing zygote reaches the stage of morula after few cell division and continues the division process till it reaches the stage of blastocyst.

The blastocyst now move down the fallopian tube to attach to the wall of uterus. This stage is known as implantation.

Hence, the correct order is 5, 4 , 3, 2, 1
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