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
borishaifa [10]
3 years ago
5

A key difference between primary cell cultures and secondary cell lines is that:____.a. primary cell cultures tend to stay alive

and divide longer than secondary cell lines. b. secondary cell lines are generally cancerously transformed and will divide indefintely. c. secondary cell lines grow slower than primary cell cultures.d. the cells in primary cell cultures do not divide.
Biology
1 answer:
ivann1987 [24]3 years ago
7 0

Answer:

<u>d. the cells in primary cell cultures do not divide.</u>

A key difference between primary cell cultures and secondary cell lines is that<u> the cells in primary cell cultures do not divide.</u>

<u>hope</u><u> </u><u>it</u><u> </u><u>helped</u><u> </u><u>you</u><u> </u>

Explanation:

<em>The main difference between primary and secondary cell culture is that the primary cell culture contains the cells directly obtained from host tissue, whereas the secondary cell culture contains sub-cultured cells from primary cell culture.</em>

You might be interested in
Which of the following is a direct benefit of biodiversity?
IRISSAK [1]

improved soil fertility

Explanation:

One direct benefit of biodiversity is improved soil fertility. Biodiversity is the variety of plants and animals living in a particular ecosystem.

  A soli is made up of organic matter. Organic matter is the remain of dead and decaying plant and animal materials in the soil.

Organic matter is a very important soil component.

Since plants and animals eat up plants which takes nutrients from the soil, there must be a way to replenish these vital soil materials.

 The more biodiverse an ecosystem, the better its chance of adding more nutrients to the soil as they decay.

Learn more:

Biodiversity brainly.com/question/10723602

#learnwithBrainly

8 0
4 years ago
When we say a trait has been selected for this means that quizlet
Nikitich [7]

Answer:

When we say that a trait has been "selected for", this means that. individuals with that trait reproduce more than individuals without that trait.Explanation:

6 0
3 years ago
The weakest sound normal human ear can hear in dynes per square cm?
jonny [76]
I am pretty sure you meant "dunes" but if not the number is just 0.002 d/cm^2
3 0
3 years ago
New biosensors, applied like a temporary tattoo to the skin, can alert serious athletes that they are about to "hit the wall" an
7nadin3 [17]
The answer to this question would be: <span>During anaerobic respiration, lactate levels increase when muscles cells need more energy. However, muscles cells eventually fatigue, thus athletes should modify their activities to increase aerobic respiration.

Lactate will be produced when the muscle cells doing anaerobic respiration. The lactate can be accumulated in the cells causing the muscle to be fatigue. Using the information from the tattoo the athlete can adjust their exercise intensity to prevent the accumulation.
</span>
4 0
4 years ago
Which characterization accurately describes BOTH regular fossils and index fossils?
kompoz [17]

Answer:

D

Explanation:

Fossils tell us where they came from.

Have a great day

7 0
3 years ago
Other questions:
  • When organisms must compete for resources, they will usually have a ____________ distribution.
    8·1 answer
  • The hormone associated with aggression seems to be ___________.
    13·1 answer
  • Part a - blue-light photoreceptors and phototropism complete the flowchart to identify the process by which blue-light photorece
    12·2 answers
  • Name two producers in the food web
    5·2 answers
  • As mass increases, what is the effect on the star’s temperature?
    6·1 answer
  • When objects at different temperatures come in contact, energy stops moving when the objects have the same temperature.
    5·1 answer
  • Tachar lo que no corresponda: a) la respiración celular es el proceso que llevan a cabo las células de LOS ANIMALES / TODOS LOS
    11·1 answer
  • I WILL GIVE BRAINLIEST IF UR CORRECT!
    8·2 answers
  • Part of an important cellular process involving a DNA strand is modeled below.
    7·1 answer
  • What part of the cell provides temporary storage of food, enzymes, and waste products
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!