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Leto [7]
3 years ago
15

In a DNA molecule, Which of the following forms a base pair with adenine ?

Biology
1 answer:
raketka [301]3 years ago
8 0

Answer:

b. thymine I believe but if needed looking it up should be no problem

Explanation:

g-c

a-t

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You conduct a mark-recapture survey of eastern fence lizards (Sceloporus undulates) in a 2-hectare plot in eastern Arizona. You
Ksenya-84 [330]

Answer:

Option C

Explanation:

Given -

Total number of initially marked lizards (M) = 250

Total number of recaptured lizards (C) = 75

Total number of recaptured marked lizards (R) = 24

As we know that -

\frac{M}{N} = \frac{R}{C}

We have to find "N" . "N" is the total population size of lizards in a 2-hectare plot in eastern Arizona.

Thus, on rearranging the above equation, we get -

N = \frac{M * C}{R}

Substituting the given values in above equation, we get -

N = \frac{250 * 75}{24} \\N = 781.25\\N = 781.3

Hence, option C is correct

4 0
3 years ago
Your left wrist is what anatomical direction from your left elbow?
Norma-Jean [14]

Answer:

The correct answer will be- distal

Explanation:

In anatomy, the anatomist defined the standard position and movement of the bones of the skeletal system by universal anatomical terminologies.

The directional position of the bones of arms and legs is represented by the proximal and distal plane.

The proximal direction represents the bone closest to the point of origin or reference while distal represents the bone closest to the farthest away from the reference.  Since the left wrist is farther from the reference or the elbow therefore, it is considered distal to the elbow.

Thus, distal is the correct answer.

3 0
3 years ago
-Present-day mitochondria and chloroplasts probably evolved as a consequence of early endosymbiosis: the ancestor of the eukaryo
nata0808 [166]

Answer:

The evidence suggests that these chloroplast organelles were also once free-living bacteria.

Explanation:

The endosymbiotic event that generated mitochondria must have happened early in the history of eukaryotes, because all eukaryotes have them.

:)

5 0
2 years ago
What kind of effect can a chromosomal change can have on an organism?
SOVA2 [1]

Answer:

<u>positive, negative, or no effect</u>

Explanation:

The kind of effect that a chromosomal change can have on an organism is either positive, negative, or no effect.

The 3 main chromosomal disorders seen in humans are :

  1. <u>Down's Syndrome</u>
  2. <u>Klinefelter's Syndrome</u>
  3. <u>Turner's Syndrome</u>
6 0
2 years ago
What is ozone?????????????????
postnew [5]
Ozone, which is also known as trioxygen, is a chemically bonded compound, and contains three oxygens.
5 0
3 years ago
Read 2 more answers
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