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
Nastasia [14]
3 years ago
5

Karl Marx promoted Which economic idea?

Biology
1 answer:
denpristay [2]3 years ago
8 0

Answer: C.

Explanation:

You might be interested in
A group of six students has taken samples of their own cheek cells, purified the DNA, and used a restriction enzyme known to cut
prohojiy [21]

Answer:

D. The two students who have two fragments have one restriction site in this region.

Explanation:

The DNA samples from the cheek cells were subjected to digestion with a restriction enzyme. This enzyme is an endonuclease and cuts the DNA at a specific sequence only. This sequence is called a restriction site. If the restriction site is not present in the sample DNA, the restriction enzyme cannot cut it. The presence of one restriction site in the sample DNA would cut it into two DNA fragments.

Similarly, the presence of two restriction sites in each DNA molecule would obtain a total of three DNA fragments per DNA molecule.

3 0
3 years ago
Some people have low levels of calcium circulating in the blood, a condition known as hypocalcemia. while for many this disorder
kap26 [50]

Answer:

low level of calcium would result in fewer signals sent between pre and post synaptic cells.

Explanation:

The calcium has a main role in signal transmission mechanism and here is the mechanism :

1-the impulse reaches the synapse (depolarization which is a voltage change).

2-the voltage gated calcium channels open and let calcium flow into the cell.

3-the calcium causes the synaptic vesicles to rupture and release chemical transmitters which cross the synaptic cleft and finally bind to receptors on the post synaptic cell (transmitting the signal)

so it's obvious that if calcium concentration decreases, the signal transmission also decreases.

8 0
3 years ago
Identify the different types of energy below
scZoUnD [109]

Answer:

B

Explanation:

Fan is a conduction method of energy

The heat from the coffee conventions through to the spoon and the cup and the sun is radiation heat

4 0
3 years ago
Help please!!!
Igoryamba

The biofilm can present one of the most important species of microorganisms, depending on the duration and its location. Gram-positive, Gram-negative and yeast. In addition, the cellular elements may be attached to the biofilm, such as platelets, for example, when the biofilm is installed on the blood-soaked surface.Several factors contribute to the formation of biofilms. The biofilm can present one of the most important species of microorganisms, depending on the duration and its location. Gram-positive, Gram-negative and yeast. In addition, the cellular elements may be attached to the biofilm, such as platelets, for example, when the biofilm is installed on the blood-soaked surface.Several factors contribute to the formation of biofilms, depends primarily on the number and type of cells present in the liquid to which the surface is exposed and the rate of flow of this liquid across the surface. The physical chemical properties of the surface, the nutritional composition and ambient temperature will also interfere with this speed. The presence of antimicrobials in the medium may affect the formation of biofilms.


hope this helps!

4 0
3 years ago
A salt solution has a concentration of 200 g/L. How many grams of salt are contained in 500 mL of this solution?
noname [10]

Answer:

100g/500mL

Explanation:

1ml is .001 of 1 L

this means that per one ml, there is 200g*.001, or .2g/mL, or simply .2g.

now we multiply this by 500, for the 500ml we are calculating. 500*.2=100.

We can also skip these steps and take 200g*.5L, as 500mL is 1/2 liter. We get the same outcome, so the answer is 100g

5 0
3 years ago
Other questions:
  • All multicellular begin as a. cell
    6·1 answer
  • You cross a true-breeding red-flowered snapdragon with a true-breeding white-flowered snapdragon. all of the f1 are pink. what c
    9·2 answers
  • from a chemical perspective the words molecule and compound can be used interchangeably. True or False
    14·1 answer
  • In humans, having freckles is dominant over not having freckles. Chelsea is homozygous dominant for freckles. Her husband Andrew
    9·1 answer
  • A 24-year-old nulliparous woman comes into the office because she has not had her menses for six months. she is in good health a
    14·1 answer
  • These are cells which have become modified and specialized within an organism. Example: The gradual formation of organs in the b
    5·1 answer
  • Assume that a deletion mutation occurs within the trp operon so that the DNA corresponding to the last (distal) part of region 1
    7·1 answer
  • How does the environmental change affect the survival of species ?
    13·2 answers
  • The image below represents the basic principle of
    12·1 answer
  • Select all that apply.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!