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Aleksandr-060686 [28]
3 years ago
7

When two atoms share a pair of electrons, the bonding is referred to as

Biology
1 answer:
snow_tiger [21]3 years ago
8 0
Answer =  a covalent bond
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Transmission of information along the axon takes place via an electrochemical process called the _____.
Brilliant_brown [7]

Answer: Neurotransmission  

Explanation:

The transfer of the information from one neuron to another takes place through the release of the chemical substances from the axon of one neuron to the dendrite of another via synaptic junction.

The chemicals that is transferred between two neurons is known as neurotransmitter and the process is known as neurotransmission.

The brain consists of multiple neurons and this is how the information is transferred across the brain and body.

4 0
3 years ago
Population A consists of 100 hens that are fully isogenic and that are reared in a uniform environment. The average weight of th
qaws [65]

Answer:

a. the environmental variance (VE) = 3.5 g ²

b. 17.5 g ² for population

c. the heritability of broad sense (H2) = 0.83

Explanation:

a.With the information we have we can infer that environmental factors influence A, which is considered isogenic, thus, the environmental variance (VE) = 3.5 g ²

b.When studying population B, comparing it without environmental changes with respect to population A, we found that its total variance (VT) = 21.0g ²

We generate the following formula with the data obtained previously to find the genetic variation

VT = VE + VG

then VG = VT-VE

replacing data:

VG = 21.0 - 3.5 = 17.5 g ² for population

c. Regarding the heritability of broad sense (H2) in population B, we can reach the result with the data previously obtained like this:

H2 = VG / VT = 17.5 / 21.0 = 0.83

7 0
3 years ago
Sediments are NOT _______________. Group of answer choices A. Salt in a river B. Nutrients in a river C. Earth material in a riv
murzikaleks [220]
The answer is D: oil mixed in river water
3 0
2 years ago
How do cigarettes and radiation cause cancer? View Available Hint(s) How do cigarettes and radiation cause cancer? by destroying
blagie [28]

Answer: B.  by toxic chemicals (in smoke) or radiation that can damage the DNA in cells.

Explanation:

The carcinogens presents in cigerates covalently bind to DNA and form DNA adducts which results into miscoding (e.g., insertion of the wrong base) during replication of DNA and this genetic mutation causes uncontrolled cellular growth which causes cancer.

Ionising radiation including X-rays, radioactive particles, and gamma rays,can cause cancer by damaging DNA. high-energy radiation damages DNA and cause genetic mutation same as cigerates and causes cancer.

Both toxic chemicals (in smoke) or radiation damages DNA inthe cells which leads to cancer.

Hence, the correct option is B.

3 0
3 years ago
A solid form of precipitation is _____________.
Pepsi [2]

Answer:

precipitate

Explanation:

In case of an inorganic chemical reaction leading to precipitation, the chemical reagent causing the solid to form is called the precipitant. The clear liquid remaining above the precipitated or the centrifuged solid phase is the ' supernate' or ' supernatant'.

5 0
2 years ago
Read 2 more answers
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