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serg [7]
3 years ago
11

What did Matthias Schleiden contribute to our understanding of cells?

Biology
2 answers:
givi [52]3 years ago
7 0

The right option is; All plants are made of cells.

Matthias Schleiden was a German botanist, and cofounder (with Theodor Schwann) of the cell theory. Schleiden demonstrated that all plants were aggregates of cells, and cell products, and that all the mechanisms of plant physiology, occurs due to the activities of the cells. He stated that the nucleus, which he called the cytoblast, was an important part of all plant cells. Matthias Schleiden also described many possible methods cell formation.



svetoff [14.1K]3 years ago
3 0
<span>3. All plants are made of cells. </span>
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Which best describes the direction of heat?
Andrei [34K]

Answer: Heat ---from a warmer substance to a cooler substance

Explanation: Heat can be transferred from a hotter substance to a cooler substance. This can be done through three methods;

Conduction, Convention, Radiation

Conduction- When substance is been heated movement of particles increases causing collision between hotter particles and cooler particles. This continue until the temperature is in equilibrium. Metal is a good conductor of heat.

Convention- It is often associated with liquid and gases. hotter area of liquid moves and meet with cooler liquid. The cooler liquid then takes place of the hotter liquid until equilibrium is attain. This occurs while boiling water

Radiation - It doesn't need a means of transmission. It is gotten from infared emission. Infared emission increases when temperature increases .

3 0
3 years ago
Read 2 more answers
A nurse is caring for a client who is three hours post op from open abdominal surgery. during routine assessment, the nurse note
Stella [2.4K]
Anxious and apprehensive are signs that the patient doesn't have enough blood to his brain. The cause probably is the low blood pressure. <span>
Open abdominal surgery is a major surgery so it should have a high risk of bleeding. </span>Bleeding in abdominal space is dangerous because it was not visible and space is massive. The source could be a rupture of a blood vessel or broken stitch of the surgical wound. 
<span>Then, the most likely cause for the sudden blood pressure drop in this patient would be massive bleeding. 

</span>
3 0
3 years ago
How does evaporation from an ocean increase the density of ocean water that did not evaporate
GarryVolchara [31]

Answer: Look below =3

Explanation: Most of the water that evaporates from the oceans falls back into the oceans as precipitation. Only about 10 percent of the water evaporated from the oceans is transported over land and falls as precipitation.

I hope this helps! =3

3 0
3 years ago
Read 2 more answers
A biochemist isolates and purifies various molecules needed for DNA replication. When she adds these molecules to DNA, replicati
olga55 [171]

Answer:

DNA ligase

Explanation:

<em>The biochemist must have left out DNA ligase enzyme.</em>

<u>The DNA ligase enzyme is able to catalyze the formation of phosphodiester bonds and as such, capable of joining strands of DNA together to form a single strand.</u>

The numerous DNA segments of a few nucleotides long observed by the biochemist must have been the replicated product of the lagging DNA strand. The lagging strand is replicated discontinuously in short strands because the DNA polymerase enzyme can only elongate primers in 5' to 3' direction. The short segments are known as Okazaki segments and are usually joined together to form a whole strand by the DNA ligase enzyme.

Hence, the missing component is the DNA ligase.

3 0
3 years ago
Place the following events in muscle contraction in the correct sequence from first to last. 1. ATP binds to myosin head. 2. Myo
sladkih [1.3K]

Answer:

The correct sequence of muscle contraction from first to last is given below

Explanation:

step 1  myosin head interacts with actin

step 2 ATP binds to myosin head

step 3  ATP is converted to ADP and Pi

step 4  ADP and pi are released from myosin

step 5  Myosin head pivots in the power stroke

step 6  Myosin head is cocked back.

7 0
3 years ago
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