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Jobisdone [24]
3 years ago
6

Scientists are looking to determine the primary productivity of a lake by analyzing its oxygen net primary productivity. How are

scientists able to measure how much oxygen is used during a plant’s cellular respiration processes?(1 point)
by observing cellular respiration under bright light conditions

by observing cellular respiration only when photosynthesis occurs

by observing cellular respiration by studying biomagnification

by observing cellular respiration under the absence of light
Biology
1 answer:
inessss [21]3 years ago
8 0

Answer:

Just took this - it is: by observing cellular respiration under the absence of light.

Explanation:

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Why did pasteur’s is work lead to a change in the modern cell theory
Mkey [24]

His work, which was documented and repeatable, contradicted the accepted cell theory, so a change in the theory was required.

5 0
3 years ago
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The rabies virus is 12 kb in length. Based on the coating ratio of nucleoprotein (n), what would be the total number of nucleopr
Molodets [167]

Rabies virus nucleoprotein encapsidates the genomic and antigenomic RNA of RV to form the viral ribonucleoprotein complesx. Rabies virus is nonsegmented negative strand RNA virus within the Rhabdoviridae family.

It is zoonotic , aftal and progressive neurological infection caused by rabies virus of genus lyssavirus and family rhabdoviridae.Its genome is 12 kb in length and encodes 5 monocistronic mRNAs encoding the nucleocapsid  protein, matrix, phosphoprotein, the trans-membrane, glycoprotein and viral RNA depent RNA polymerase.

Rabies virus vaccine vector tolerate large , multiple foreign genes , upt to 6.5 kb and live rabies virus vector with very low pathogenic potential can be constructed. It contains foreign glycoproteins such as hepatitis E2 or HIV .

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4 0
2 years ago
A black guinea pig crossed with a guinea pig with albinism produced 12 black offspring When the albino was crossed with a second
givi [52]

The best explanation for the creation of six blacks as well as six albinos from the given cross is that (A) Albinism is a recessive trait; black is a dominant trait.

Albinism is a recessive trait. It is expressed only in an individual's genotype contains a pair of the recessive allele 'a', that is responsible for causing albinism.

Black skin color in guinea pig is a dominant trait which does not allows the recessive trait to be expressed.

Thus, guinea pigs having the genotype 'aa' will exhibit albinism while those having the dominant allele for black color will have black skin color.

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6 0
1 year ago
8-3 Mechanisms of Transport. For each of the following statements, answer with a D if the statement is true of simple diffusion,
slamgirl [31]

Answer:

(a) Requires the presence of an integral membrane protein -F

(b) Solutes move down their free energy gradient in the direction of thermodynamic equilibrium - N

(c) Is not subject to saturation - N

(d) Requires the hydrolysis of

ATP - A except secondary active transport

(e) Is a way of establishing a difference in the concentration gradient of solutes across a membrane - D

(f) Applies only to small, nonpolar solutes - D

(g) Applies only to ions - A

(h) Transport can occur in either direction across the membrane, depending on the prevailing concentration gradient - D

(i) Has a positive G(Gradient) - D

(j) Usually has intrinsic directionality

Explanation:

Simple Diffusion is the movement of solutes from a region of higher concentration to a region of lower concentration through a semipermeable membrane.

When then is through a transmenbrane integral protein, it is a facilitated diffusion

Active transport uses chemicals (e.g ATP) to move ions against the concentration gradient (Lower to Higher concentration).

They are two types(Primary and Secondary Active transport). Secondary active transport do not require ATP

5 0
3 years ago
Which division of the human nervous system carries signals to skeletal muscles?
SVETLANKA909090 [29]
Well considering the lack of information given, most logically we can conclude it’s the peripheral nervous system.
8 0
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