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coldgirl [10]
3 years ago
6

The Cenozoic Era follows the end of the _______ period.

Biology
2 answers:
BaLLatris [955]3 years ago
8 0
I'm gonna say its # 2 Jurassic
tensa zangetsu [6.8K]3 years ago
7 0

Answer:

Option (D)

Explanation:

The Cenozoic era starts after the end of the Cretaceous. It is marked by the global mass extinction event known as the Cretaceous-Tertiary (K-T) boundary. The Cenozoic era started from about 65 million years back to the recent.

The new species started to evolve from the start of this era and there were abundant land animals during this era, and so this era is often regarded as the age of mammals. This is the most recent era in the geological time scale and is marked by the diverse group of organisms that has appeared after a long evolutionary process.

The Cenozoic era is again divided into three parts-

1) <u>Tertiary-</u> It is divided into (a) Palaeogene, (b) Eocene, and (c) Oligocene

2) <u>Neogene-</u> It is divided into (a) Miocene and (b) Pliocene

3) <u>Quarternary</u>- It is divided into (a) Pleistocene and (b) Holocene

Thus, the correct answer is option (D).

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The initial size of a culture of bacteria is 2000. after 1 hour the bacteria count is 16000. find a function n(t) = n0ert that m
fgiga [73]

The initial size of the cultured bacteria was around 2000 after an hour the bacteria count turned to 16000 with the value of n = 8000.

Given:

n = 1000 e^ (kt)

note when t = 0,

e^kt = e^0 = 1

1000*1 ar t = 0

Stepwise solution,

4000/1000 = 4 = e^(k*1)

or

e^k = 4

k = In 4 = 1.386

when n = 1000,

n = 1000 e^(!.386 t)

t = 1.5

n = 1000 e^(2.079)

n = 8000

Hence, the correct answer is (n=4000)

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8 0
2 years ago
During glycolysis, two hydrogen atoms are picked up by the coenzyme nicotinamide adenine dinucleotide (NAD). What B vitamin is r
Maslowich

Answer:

Niacin (Ans. A)

Explanation:

Nicotinamide adenine dinucleotide (NAD) is known as important cofactor which help in carrying electrons from one reaction to another reaction in the cellular respiration process.

Cells are able to restore performed compounds which are containing a pyrimidine base precursor vitamin for the synthesis of NAD: nicotinamide, nicotinic acid, and nicotinamide riboside.

These elements are taken up from the diet whos containing vitamin B3. Nicotinamide, and nicotinamide riboside both can be absorbed from the gut. Niacin or vitamin B3 also produced within cells with the help of cellular digestion of NAD+.

7 0
3 years ago
A wedge and a screwlare variations of what type of simple machine?
ivanzaharov [21]

Answer:

b. Lever

Explanation:

8 0
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Which enzyme is represented by A?
inn [45]

Answer:

Amylase

It helps change starches into sugars.

Hope this helps you. Do mark me as brainliest.

4 0
3 years ago
Individuals with glucose-6-phosphate dehydrogenase deficiency have increased resistance to malaria because the parasite does not
Alexus [3.1K]

Individuals with glucose-6-phosphate dehydrogenase deficiency have increased resistance to malaria because the parasite does not survive well in cells with oxidative stress.

<h3>What is the link between G6P deficiency and malaria?</h3>
  • Glucose-6-phosphate dehydrogenase (G6PD) deficiency is an X-linked recessive disorder.
  • G6PD protects cells from oxidative damage especially the RBCs whose main function is to carry oxygen.
  • Mutation in the gene results in G6PD deficiency leading to oxidative stress which can lead to anemia (iron deficiency) as there is breakdown of RBCs.
  • However, G6PD deficiency is quite common in parts of Africa, Middle East, and South Asia, which are the regions of high malaria endemism.
  • This is due to natural selection in which G6PD deficiency is not eliminated from the population as it can protect people from malaria infection.
  • Malaria parasite <em>Plasmodium</em> species does not survive well in cells with oxidative stress.

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