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
iragen [17]
3 years ago
5

Real life example of block and tackle

Biology
1 answer:
lianna [129]3 years ago
3 0

A group of people are building a house. They have a large package of building materials that needs to be moved. A block and tackle, a type of pulley, is used to pull the material up so it can be set in the back of a truck.

You might be interested in
What are differences between sperm and egg?
Firlakuza [10]
Sperm cells come from the male
egg cells come from the female
5 0
3 years ago
A researcher is culturing cells that require oxygen to live in an incubator where the gas levels are carefully regulated. If the
aniked [119]

Answer:

He can deduce that The pO2 of her cells is less than or equal to 200 mmHg.

Explanation:

Partial pressure of oxygen(pO2) measures the amount of gaseous oxygen  dissolved in the blood. It purposes to measure the effectiveness of the lungs in pulling oxygen from the atmosphere to the lungs.

In the incubator where the gases levels are carefully regulated, a pO2 of 200mmHg on the incubator deduces that the pO2 of her cells is equal or less than 200mmHg.

8 0
3 years ago
A set of flashcards on prokaryotes is being sorted into piles. which definition should not be placed in the pile for high-gc gra
sergey [27]
A.  they have a higher proportion of adenine–thymine than guanine–cytosine base pairs.

The option A represents the complete opposite of "high-gc gram-positive bacteria". High GC content means that this bacteria have more guanine ans more cytosine than the other base pairs- adenine–thymine. This means all the other options are correct.

4 0
3 years ago
Assume that a DNA double helix contains 100 base airs one pair is A-T or C-G and there 45 cytosines how many guaninas are there?
Semenov [28]
45 guanine, 55 adenines

Every cytosine needs a guanine to be a pair, so that is 45 pairs right there.
100-45 = 55
There should be 55 adenine and thymine pairs to fill in the remaining bases
4 0
3 years ago
The skin is superficial to the bone
telo118 [61]
Superficial is a used to describe structures that are closer to the exterior surface of the body. Deep refers to structures closer to the center of the body region. For example, skin is superficial to bones, and bones are deep to skin.
3 0
3 years ago
Other questions:
  • If you were a police officer, lawyer, or prosecutor who had the job of interrogating witnesses and you wanted to increase eyewit
    7·1 answer
  • Action potentials are generated by the opening of ________ gated channels and they occur on the ________.
    15·1 answer
  • What is the U.S. Mainland part of which plate?
    9·2 answers
  • ------is present only In plant<br> cell
    10·1 answer
  • How is the atomic mass of an atom calculated?
    13·1 answer
  • Which organ is crucial for expelling cellular carbon dioxide waste?
    14·1 answer
  • Which is emergent property is not correctly matched with the level of organization: organism: personality ecosystem: nutrient cy
    13·1 answer
  • Which of the following is an organic molecule ?<br> A. KBr<br> B. H2SO4<br> C. C2H6<br> D. MgF
    12·1 answer
  • Describe how a cross between two closely related organisms may result in genetic problems.
    12·1 answer
  • The function of the nucleus is:
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!