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stira [4]
3 years ago
11

When Charles Darwin set sail on the HMS Beagle, what did he and most of his contemporary scientists think about the origin of sp

ecies
Biology
1 answer:
marissa [1.9K]3 years ago
7 0

Answer:

When Charles Darwin set sail on the HMS Beagle, most scientists, including Darwin, thought each species was specially created by God in its present form and did not change over time.

hoped this helped

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how do the life functions of unicellular organisms and multicellular organisms compare in meeting the needs for life
nika2105 [10]
Well for both of them to survive they need oxygen, food, water amino acids, and a way to leave waste, but that depends on the type of cell
7 0
3 years ago
Transport issue of vascular plants are the and ?
s344n2d4d5 [400]

The directed movement of substances, into, out of or within a cell, either in a vascular tissue or in the vascular membrane.

The main roles of plant stems and roots are to transport substances around the plant. They have two types of transport systems – xylem and phloem . Xylem transports water and minerals. Phloem transports sugars and amino acids dissolved in water.

hope it helps because there is not any issue of transport , and if my answer i s not supportable comment i will provid emore information.

7 0
3 years ago
If the input and output of carbon is balanced in the carbon cycle, what can be generalized about the resident times of carbon in
Ad libitum [116K]

Answer:

ans The resident time would be zero because carbon is released as soon as it is absorbed

4 0
2 years ago
A decrease in the resting membrane potential is __________ whereas, __________ is an increase in the membrane potential.
nexus9112 [7]

Answer: depolarization; hyperpolarization

Explanation:

At resting potential (absence of stimulus), the cell membrane of a neuron is said to be polarized with a net negative charge within due to more potassium (K+) ions present than sodium (Na+) ions.

However, an impressed stimuli reverses the ions content as K+ ions flows out and quickly replaced by Na+ ions, resulting in a decrease in membrane potential and a more positive cell membrane. Thus, depolarization occurs.

An increase in the membrane potential (so that it becomes more negative) is called hyperpolarization.

4 0
3 years ago
Read 2 more answers
Which of the following is an important exception to the central dogma of molecular biology? a) Proteins are responsible for most
iogann1982 [59]

Answer:

b: many genes code for RNAs that function directly in the cell

Explanation:

<em>The central dogma</em> theory describes the basic framework for gene expression in living organisms. Genetic information from DNA is encoded or transcribed as RNA which then becomes translated as proteins.

The processes that take place for gene to be successfully expressed are;

  • Replication
  • Transcription
  • Translation

<em>Replication</em> is a process whereby DNA makes a copy of itself to be distributed in daughter cells during cell division.

<em>Transcription</em> is the process whereby genetic information in DNA is encoded as RNAs. The RNAs are short-lived as they are quickly utilized in protein synthesis or <em>translation </em>process.

Hence, the RNAs do not function directly in the cells but mere intermediaries in the synthesis of proteins.

<em>The correct option is b.</em>

3 0
3 years ago
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