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3 years ago

What makes up the majority of the solar system? stars planets asteroids space

Biology

2 answers:

defon3 years ago

8 0

Answer:

The answer would be stars

Explanation:

Hope this helps :)

oee [108]3 years ago

4 0

Answer:

Our solar system is made up of a star, eight planets and countless smaller bodies such as dwarf planets, asteroids and comets.

Explanation:

By far most of the solar system's mass is in the Sun itself: somewhere between 99.8 and 99.9 percent. The rest is split between the planets and their satellites, and the comets and asteroids and the dust and gas surrounding our star.

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Name a hormone secreted by the thyroid gland that acts to lower blood calcium

Sergio [31]

Answer:

Thyrocalcitonin or TCT

Explanation:

Thyrocalcitonin or TCT is a non-iodinated calcium lowering hormone. It is originating from the parafollicular cells or C cells (C for calcium).

The thyroid gland consists of follicles of cuboidal epithelial cells. These cuboidal cells have a nucleus at the base. These are principal cells responsible for the synthesis of thyroid hormones.

In between these follicular cells, other high cuboidal cells are present, known as parafollicular cells / C cells. These cells synthesise the hormone TCT. When there is high levels of calcium ions in the serum, TCT will release. This lowers the high level of calcium ions in the blood and plasma to normal level. This is done due to the deposition of calcium in the bone.

4 0

3 years ago

Which of the following can be considered fossils?

marysya [2.9K]

D.......................

3 0

3 years ago

15. During a routine cleaning of the incubators in a college laboratory, a student accidentally increased the tempe

diamong [38]

To test his hypothesis, the student will have to design an experiment to measure the effects of <u>temperature on cellular growth</u>.

To test the effects of temperature on cellular growth the student will have to create an experiment containing the there kinds of variables:

Dependent
Independent
Control

In this experiment, the control variable will be the kind of cells used, as well as the incubation methods being used. We identify these as the control variable given that they will remain constant.

The independent variable will be the Temperature at which we will place each cell being studied. The dependent variable, on the other hand, is by definition, what we seek to measure. In the case given it would correspond to the amount of cellular growth.

To test his theory of the effects of temperature on cellular growth, a student can design an experiment in which the control variable will be the cells themselves, the independent variable will be the Temperature, and the cellular growth can act as the dependent variable.

To learn more:

brainly.com/question/9199868?referrer=searchResults

5 0

2 years ago

Which two conditions are required for cloud formation?

solmaris [256]

moisture and cooling air

3 0

3 years ago

Read 2 more answers

Why do you think it is important that the sugar – phosphate backbone of dna is held together by covalent bonds, and the cross –

Yanka [14]

As covalent bonds are strong it makes the sugar phosphate backbone a stable molecule which will HV less chances for a mutation while the huydrogen bonds exist for the ease of DNA replication as they are strong in a way but weak for the replication to take place easily.

4 0

3 years ago