1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ki77a [65]
2 years ago
7

Please I have so much more to do.

Biology
1 answer:
svetlana [45]2 years ago
8 0

The correct answer is D. Skeletal system.

Explanation

The parathyroid glands are glands of the human endocrine system that are located behind the thyroid glands in the neck. The main function of the parathyroid glands is to control the amount of calcium in the body (mainly bones and blood). According to the above, the parathyroid glands produce essential hormones for the proper function of the bone system because it controls the calcium that is used to strengthen the bones. These at the same time serve as the storage system to ensure that the body always has a vast source of calcium. So the correct answer is the D. Skeletal system.

You might be interested in
Which of the following environmental conditions would be MOST likely to result in transcription of the lac
Kruka [31]

Answer:

The correct answer is B high levels of lactose and high levels of cyclic AMP.

Explanation:

Lac operon contain 3 regulatory genes and 3 structural genes.In presence of lactose the repressor molecule that is encoded by Lac I gene cannot bound to the operator region.

        Bacause the lactose interact with the repressor and change its conformation so that it cannot repress the expression of the structural genes of lac operon.

  On the other hand cyclic AMP is a positive regulator of  lac operon .The interaction of cyclic AMP with the promoter region of lac operon stimulates the binding of RNA polymerase in the promoter region to boost the expression of structural genes of lac operon such as Lac Z,Lac Y and Lac A.

4 0
3 years ago
Which of the following best describes the cell cycle?
Slav-nsk [51]

Answer: C.

Explanation:

Out of all of the answer choices, answer C most properly describes the cell cycle.

8 0
3 years ago
How much force would is required to stop a 1200kg car in 2 seconds if the car is traveling at 22 m/s
Shalnov [3]
Force required = F = ?

mass of the car = m = 1200 kg

initial velocity of the car = Vi = 10 m/sec

final velocity of the car = 0

time required to stop the car = t = 20 sec

Using Newton`s 2nd law of motion;

F = ma ………………………(1)

as a = Vf - Vi / t , put this value in equation (1)

F = m ( Vf - Vi /t ) ………………(2)

F = 1200 ( 0 - 10 /20) = - 600 N

here Negative sign shows that external force is acting in opposite direction of the motion to bring it to rest.

we can also calculate this force by using the relation

Rate of change of momentum = net force acting on the object …………(3)

m Vf - m Vi / t = net force acting on the object

m (Vf - Vi / t) = F

1200 ( 0 - 10 /20) = - 600 N = F

so, net force acting on the object =F = - 600 N

5 0
3 years ago
As a mouse undergoes respiration, it produces lactate. This type of respiration can be classified as
Juli2301 [7.4K]

would it be acidic? since it produces lactic acid

4 0
3 years ago
Fog can form through each of the following ways EXCEPT Question 7 options:
Schach [20]

Answer:

The correct answer is the letter D. decreasing the moisture content of the air and increasing temperature

Explanation:

Fog is the result of air humidity, or water vapor in the atmosphere. The mist that forms in the morning is the result of water that changes from a gaseous to a liquid state. It is characterized by a cluster of water droplets, which give rise to a type of cloud that is very close to the Earth's surface arising from the cooling of the air during the night. Thus, it is formed by the suspension of water droplets in an air layer close to the ground. Thus, fog can be considered a cloud that comes into contact with the ground.

5 0
3 years ago
Other questions:
  • There can be multiple comparison groups in a randomized trial. <br> a. True <br> b. False
    5·1 answer
  • What characteristics of carbon allows it to form the base of each of compounds
    8·1 answer
  • What is the measure of an inscribed angle with an arc angle measure of 120°
    5·1 answer
  • Wegener named the supercontinent pangaea, which means _____. "all lands" "large rock" "only land" "all seas"
    15·2 answers
  • Much of what scientist know about Australopithecines comes from the Lucy skeleton true or false?
    6·1 answer
  • Human sperm cells ________ than egg cells
    15·1 answer
  • What is the energy transformation of a flashlight?
    6·1 answer
  • Calculate the mass of 0.35 mole of copper (||) sulfate (CuSO4). <br>​
    15·1 answer
  • Bacterial cells such as escherichia coli transfer pieces of genetic material in a process called?
    10·1 answer
  • An area has experienced weathering and erosion for many years. Over time, some rock formations have been left behind forming pea
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!