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3 years ago

What do most scientists believe all life can be traced to?

Biology

1 answer:

sergejj [24]3 years ago

5 0

Matter/atoms.....?
If I remember correctly, then tht would be the answer

You might be interested in

In an experiment, a certain colony of bacteria initially has a population of 50,000. A reading is taken every 2 hours, and at th

Iteru [2.4K]

Answer:

1) Recursive definition: $p_n = (50,000)3^n$

2) At the beginning of the 4th interval

Explanation:

The initial population of the bacteria at time zero is

$p_0 = 50,000$

Here we are told that the reading is taken every two hours; we call this time interval "n", so

$n=2 h$

And also, after every time interval n, the number of bacteria has tripled.

This means that when n = 1,

$p_1 = 3 p_0$

And when n=2,

$p_2 = 3 p_1 = 3(3p_0)=9 p_0$

Applied recursively, we get

$p_n = 3^n p_0$

And substituting p0,

$p_n = (50,000)3^n$ (1)

Here we want to find at the beginning of which interval there are

$p=1,350,000$

bacteria.

This means that we can rewrite eq.(1) as

$1,350,000=(50,000)3^n$

By simplifying,

$27=3^n$

Which means that

$n=3$

However, this means that the number of bacteria is 1,350,000 after 3 time intervals; therefore, at the beginning of the 4th interval.

8 0

3 years ago

. Consider the following scenarios. State whether the mutation is likely to be passed on to the offspring of the organism. Expla

Shalnov [3]

Answer:

The correct answer is "option a. it is likely it will pass to the offspring; option b. it is not very likely that it will pass to the offspring".

Explanation:

In order that a mutation could be passed to the offspring it is necessary that the affected DNA can be transmitted to the following generation. A single bacteria that contains a positive mutation in its DNA is likely to pass its mutation to the offspring since it multiples by binary fission. On the other hand, a skin cell most likely will not pass its mutation to the offspring since a skin cell is not involved in the organism reproduction, such as a sexual cell.

6 0

3 years ago

ATP and glucose are both molecules that organisms use for energy. They are like the tank of a tanker truck that delivers gas to

Nikitich [7]

Answer:

Glucose is like the tank of the delivery truck because it transports a relatively large amount of energy to cells. ATP is like the gas tank of the car because it contains a small amount of energy that is used to carry out the work of individual cells.

4 0

3 years ago

Nuthatches and brown creepers are birds which eat insects that hide in the furrows of bark in hardwood trees. The creeper search

jeka94

Answer:

This are our options to complete the question

-bottom-up and top-down hypotheses

-competitive exclusion

-keystone species

-resource partitioning

-character displacement

The CORRECT ANSWER IS resource partitioning.

Explanation:

Resource partitioning is the division of certain limited resources by species to eliminate competition in an ecological niche in order to allow easy coexisting with one another

The creeper searches for insects by hunting from the bottom of the tree trunk to the top, whereas the nuthatch searches from the top of the trunk down to eliminate competition and allow for peaceful coexisting between them

5 0

3 years ago

in a dna molecule, the complementary strands are joined at the nucleotides by hydrogen bonds between the

avanturin [10]

Answer:

covalent bonds within each strand

Explanation:

3 0

3 years ago