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soldier1979 [14.2K]
3 years ago
12

What is the expected percent change in the DNA content of a typical eukaryotic cell as it progresses through the cell cycle from

the start of the G1 phase to the end of the G2 phase
Biology
1 answer:
Anastasy [175]3 years ago
7 0

The question is incomplete. The complete question is:

Question: What is the expected percent change in the DNA content of a typical eukaryotic cell as it progresses through the cell cycle from the start of the G1 phase to the end of the G2 phase

a. -100%

b. -50%

c. +50%

d. +100%

Answer:

d. +100%

Explanation:

S phase comes between G1 and G2 phases of the interphase of a cell cycle. S phase of interphase includes replication of DNA. The process of DNA replication doubles the amount of DNA present in the cell. The newly synthesized DNA is accommodated in the sister chromatids of chromosomes. Therefore, a cell with 2C DNA in the G1 phase would have 4C DNA at the end of the G2 phase. So, there is a +100% increase in the DNA content of a cell as it proceeds from G1 to the end of the G2 phase.

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Which of the following conditions favors "big-bang" reproduction?a. high rate of offspring survivalb. intense inraspecific compe
Natasha2012 [34]

Answer:

d. low rates of offspring survival

Explanation:

"Big-bang" reproduction also called semelparity is reproductive strategy in which only one  single reproductive event happens during the lifetime of an organism. Usually after that reproduction, death of parents occur. This happens because "parents" put all available resources into maximizing reproduction. Many offspring are produced during this type of reproduction.

3 0
3 years ago
Which of the following is true regarding tissue?
Natasha2012 [34]

Answer:

<em>True: </em><u>b) Tissue is a group of specialized cells that work together for a common  function and form organs.</u>

Explanation:

Cells are the smallest units of life, they may be either unicellular or multicellular. Unicellular organs have a single cell capable of carrying out all of the functions necessary for its survival. Multicellular organisms are more complex, and require the work of multiple different cell types.

Their cells become differentiated- where they undergo certain processes to become specialized, and gain maturity. Groups of specialized cell types form tissue; these each have varying functions over time. Organs consist of two or more tissue types that are specifically organized to carry out a function.

5 0
3 years ago
What does a plant need for photosynthesis?
jonny [76]
A plan needs the sun and Carbon Dioxide
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3 years ago
The hindbrain of the embryo develops into the pons, the medulla oblongata, part of the spinal cord, and what other structure?
Zepler [3.9K]

The hindbrain of the embryo develops into the pons, the medulla oblongata of the spinal cord and the cerebellum.

<h3>What is the cerebellum? </h3>

The cerebellum is a prominent part of the hindbrain and is located just above the brainstem. The cerebellum controls all the voluntary movements of the body and is also responsible for maintaining balance and posture.

The cerebellum is said to make up for 10% of the brain's volume but has more than 50% of the brain's total neurons.

The cerebellum is made up of two parts; a cerebral cortex, a layer made of folded tissue which contains most of the neurons and cerebral nuclei, an inner part which contains the neurons responsible for communication.

Therefore, the hindbrain develops into the pons, medulla oblongata and cerebellum.

Read more about the cerebellum, here

brainly.com/question/12960127

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8 0
2 years ago
How much energy must these squid and small fish consume to sustain the elephant seal population
Inessa05 [86]

Answer:

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6 0
2 years ago
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